/* ============================================
   PULSO — Landing Page Styles
   ============================================ */

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

/* --- Variables --- */
:root {
  --green: #00ff41;
  --dark: #0a0a0a;
  --dark-alt: #111111;
  --dark-card: #1a1a1a;
  --white: #ffffff;
  --gray: #999999;
  --gray-light: #cccccc;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-display: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --max-width: 1200px;
  --section-padding: 120px 0;
  --side-padding: 80px;
}

/* --- Base --- */
html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-main);
  background: var(--dark);
  color: var(--white);
  line-height: 1.6;
  overflow-x: hidden;
}

a {
  color: var(--green);
  text-decoration: none;
  transition: opacity 0.3s;
}
a:hover {
  opacity: 0.8;
}

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

/* --- Layout --- */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 var(--side-padding);
}

.section-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 24px;
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 32px;
  font-size: 14px;
  font-weight: 600;
  font-family: var(--font-main);
  text-transform: uppercase;
  letter-spacing: 1px;
  border: 2px solid var(--green);
  background: var(--green);
  color: var(--dark);
  cursor: pointer;
  transition: all 0.3s;
  text-decoration: none;
}
.btn:hover {
  background: transparent;
  color: var(--green);
  opacity: 1;
}
.btn--outline {
  background: transparent;
  color: var(--green);
}
.btn--outline:hover {
  background: var(--green);
  color: var(--dark);
}
.btn--small {
  padding: 10px 24px;
  font-size: 12px;
}
.btn svg,
.btn .arrow {
  width: 16px;
  height: 16px;
  transition: transform 0.3s;
}
.btn:hover .arrow {
  transform: translateX(4px);
}

/* ============================================
   HEADER / NAV
   ============================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 24px 0;
  transition: background 0.3s, padding 0.3s;
}
.site-header.scrolled {
  background: rgba(10, 10, 10, 0.95);
  backdrop-filter: blur(10px);
  padding: 16px 0;
}
.site-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.site-header__logo {
  font-size: 28px;
  font-weight: 900;
  letter-spacing: 4px;
  color: var(--white);
  text-transform: uppercase;
}
.site-header__logo:hover {
  opacity: 1;
  color: var(--white);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--white);
  margin: 5px 0;
  transition: all 0.3s;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 32px;
}
.site-nav a {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--white);
  transition: color 0.3s;
}
.site-nav a:hover {
  color: var(--green);
  opacity: 1;
}

/* ============================================
   HERO
   ============================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: flex-end;
  padding: 0 0 100px 0;
  overflow: hidden;
}
.hero__bg {
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg,
    rgba(10,10,10,0.3) 0%,
    rgba(10,10,10,0.6) 50%,
    rgba(10,10,10,0.95) 100%
  );
  z-index: 1;
}
.hero__bg-image {
  position: absolute;
  inset: 0;
  background: url('../img/hero-bg.jpg') center center / cover no-repeat;
  z-index: 0;
}
.hero .container {
  position: relative;
  z-index: 2;
}
.hero__title {
  font-size: clamp(48px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.95;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.hero__title .highlight {
  color: var(--green);
}
.hero__text {
  max-width: 600px;
  font-size: 16px;
  line-height: 1.7;
  color: var(--gray-light);
  margin-bottom: 40px;
}
.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   ABOUT (Quiénes somos)
   ============================================ */
.about {
  padding: var(--section-padding);
  background: var(--dark);
}
.about__title {
  font-size: clamp(36px, 5vw, 64px);
  font-weight: 900;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 60px;
}
.about__title .highlight {
  color: var(--green);
}
.about__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.about__card {
  background: var(--dark-card);
  border: 1px solid #222;
  padding: 40px 32px;
  transition: border-color 0.3s;
}
.about__card:hover {
  border-color: var(--green);
}
.about__card-logo {
  height: 40px;
  margin-bottom: 24px;
  display: flex;
  align-items: center;
}
.about__card-logo img {
  max-height: 40px;
  filter: brightness(0) invert(1);
}
.about__card-logo span {
  font-size: 18px;
  font-weight: 700;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.about__card-role {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}
.about__card-name {
  font-size: 16px;
  font-weight: 600;
  margin-bottom: 4px;
}
.about__card-position {
  font-size: 13px;
  color: var(--gray);
}
.about__card-photo {
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: #333;
  margin-top: 20px;
  overflow: hidden;
}
.about__card-photo img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ============================================
   PROPOSAL (La propuesta)
   ============================================ */
.proposal {
  padding: var(--section-padding);
  background: var(--dark-alt);
  position: relative;
  overflow: hidden;
}
.proposal__bg {
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: url('../img/proposal-bg.jpg') center center / cover no-repeat;
  opacity: 0.4;
}
.proposal__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--dark-alt) 0%, transparent 100%);
}
.proposal__content {
  position: relative;
  z-index: 1;
  max-width: 550px;
}
.proposal__title {
  font-size: clamp(36px, 5vw, 60px);
  font-weight: 900;
  line-height: 1.05;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.proposal__title .highlight {
  color: var(--green);
}
.proposal__text {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-light);
}

/* ============================================
   TOPICS (Temáticas)
   ============================================ */
.topics {
  padding: var(--section-padding);
  background: var(--dark);
  position: relative;
  overflow: hidden;
}
.topics__bg {
  position: absolute;
  inset: 0;
  background: url('../img/topics-bg.jpg') center center / cover no-repeat;
  opacity: 0.15;
}
.topics__content {
  position: relative;
  z-index: 1;
}
.topics__header {
  margin-bottom: 60px;
}
.topics__title {
  font-size: clamp(24px, 3vw, 36px);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.topics__subtitle {
  font-size: clamp(20px, 2.5vw, 28px);
  font-weight: 300;
  color: var(--gray-light);
}
.topics__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}
.topics__item {
  background: rgba(26, 26, 26, 0.85);
  backdrop-filter: blur(4px);
  border: 1px solid #222;
  padding: 32px 28px;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}
.topics__item:hover {
  border-color: var(--green);
  transform: translateY(-4px);
}
.topics__item-number {
  font-size: clamp(40px, 5vw, 56px);
  font-weight: 900;
  color: var(--green);
  line-height: 1;
  margin-bottom: 16px;
}
.topics__item-text {
  font-size: 14px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--gray-light);
}

/* ============================================
   STATS (Cifras)
   ============================================ */
.stats {
  padding: var(--section-padding);
  background: var(--dark-alt);
}
.stats__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  margin-top: 48px;
}
.stats__item {
  text-align: left;
}
.stats__number {
  font-size: clamp(48px, 6vw, 72px);
  font-weight: 900;
  line-height: 1;
  color: var(--white);
  margin-bottom: 8px;
}
.stats__number .unit {
  color: var(--green);
  font-size: 0.6em;
}
.stats__label {
  font-size: 13px;
  color: var(--gray);
  line-height: 1.4;
}

/* ============================================
   CITIES (500 ciudades)
   ============================================ */
.cities {
  position: relative;
  min-height: 80vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.cities__bg {
  position: absolute;
  inset: 0;
  background: url('../img/cities-bg.jpg') center center / cover no-repeat;
}
.cities__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(10, 10, 10, 0.6);
}
.cities__content {
  position: relative;
  z-index: 1;
  max-width: 800px;
  padding: 80px var(--side-padding);
}
.cities__text {
  font-size: clamp(28px, 4vw, 48px);
  font-weight: 800;
  line-height: 1.2;
  text-transform: uppercase;
}
.cities__text .number {
  display: block;
  font-size: clamp(64px, 10vw, 140px);
  font-weight: 900;
  color: var(--green);
  line-height: 1;
}

/* ============================================
   DISCOVER (Descubre más + Brand Vision)
   ============================================ */
.discover {
  padding: var(--section-padding);
  background: var(--dark);
}
.discover__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: start;
}
.discover__info-title {
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 800;
  line-height: 1.1;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.discover__info-subtitle {
  font-size: clamp(20px, 2.5vw, 32px);
  font-weight: 300;
  margin-bottom: 24px;
}
.discover__info-label {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 16px;
}
.discover__info-text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-light);
  margin-bottom: 32px;
}

/* Brand Vision */
.brand-vision__title {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.brand-vision__subtitle {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 24px;
}
.brand-vision__list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.brand-vision__item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--dark-card);
  border: 1px solid #222;
  padding: 16px 20px;
  transition: border-color 0.3s;
  cursor: pointer;
}
.brand-vision__item:hover {
  border-color: var(--green);
}
.brand-vision__item.active {
  border-color: var(--green);
  background: rgba(0, 255, 65, 0.08);
}
.brand-vision__item-name {
  font-size: 14px;
  font-weight: 600;
}
.brand-vision__item-desc {
  font-size: 12px;
  color: var(--gray);
}
.brand-vision__item-time {
  font-size: 12px;
  color: var(--gray);
  font-variant-numeric: tabular-nums;
}

/* ============================================
   PRESS (Sala de prensa)
   ============================================ */
.press {
  padding: var(--section-padding);
  background: var(--dark-alt);
  position: relative;
  overflow: hidden;
}
.press__bg {
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 45%;
  background: url('../img/press-bg.jpg') center center / cover no-repeat;
  opacity: 0.3;
}
.press__bg::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--dark-alt) 0%, transparent 50%, var(--dark-alt) 100%);
}
.press__content {
  position: relative;
  z-index: 1;
}
.press__title {
  font-size: clamp(40px, 5vw, 72px);
  font-weight: 900;
  line-height: 1;
  text-transform: uppercase;
  margin-bottom: 32px;
}
.press__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
}
.press__text {
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-light);
}
.press__buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* ============================================
   CONTACT
   ============================================ */
.contact {
  padding: var(--section-padding);
  background: var(--dark);
  border-top: 1px solid #222;
}
.contact__title {
  font-size: clamp(28px, 3vw, 40px);
  font-weight: 800;
  text-transform: uppercase;
  margin-bottom: 60px;
}
.contact__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
}
.contact__card {
  padding: 32px 0;
  border-top: 2px solid var(--green);
}
.contact__card-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 20px;
}
.contact__card-company {
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 8px;
}
.contact__card-role {
  font-size: 14px;
  color: var(--gray);
  margin-bottom: 16px;
}
.contact__card-email a {
  font-size: 14px;
  color: var(--green);
}

/* --- Contact Form --- */
.contact-form {
  margin-top: 80px;
  padding-top: 80px;
  border-top: 1px solid #222;
}
.contact-form__title {
  font-size: 24px;
  font-weight: 700;
  text-transform: uppercase;
  margin-bottom: 40px;
}
.contact-form__fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  margin-bottom: 24px;
}
.contact-form__field {
  display: flex;
  flex-direction: column;
}
.contact-form__field--full {
  grid-column: 1 / -1;
}
.contact-form__field label {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray);
  margin-bottom: 8px;
}
.contact-form__field input,
.contact-form__field textarea {
  background: transparent;
  border: none;
  border-bottom: 1px solid #333;
  padding: 12px 0;
  font-size: 16px;
  font-family: var(--font-main);
  color: var(--white);
  transition: border-color 0.3s;
  outline: none;
}
.contact-form__field input:focus,
.contact-form__field textarea:focus {
  border-color: var(--green);
}
.contact-form__field textarea {
  resize: vertical;
  min-height: 80px;
}
.contact-form__check {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 24px;
}
.contact-form__check input[type="checkbox"] {
  margin-top: 3px;
  accent-color: var(--green);
}
.contact-form__check label {
  font-size: 13px;
  color: var(--gray);
}
.contact-form__check a {
  color: var(--white);
  text-decoration: underline;
}
.contact-form__actions {
  display: flex;
  align-items: center;
  gap: 24px;
}
.contact-form__msg {
  display: none;
  font-size: 14px;
  padding: 12px 0;
}
.contact-form__msg span {
  color: var(--green);
}
.contact-form__msg--error {
  color: #ff4444;
}

/* ============================================
   FOOTER
   ============================================ */
.site-footer {
  padding: 40px 0;
  background: var(--dark);
  border-top: 3px solid var(--green);
}
.site-footer .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
}
.site-footer__copy {
  font-size: 13px;
  color: var(--gray);
}
.site-footer__logos {
  display: flex;
  align-items: center;
  gap: 24px;
}
.site-footer__logos span {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 1px;
  text-transform: uppercase;
  color: var(--gray);
}

/* ============================================
   STICKY DOWNLOAD BAR
   ============================================ */
.sticky-download {
  display: none;
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--green);
  padding: 14px 0;
  text-align: center;
}
.sticky-download a {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--dark);
}
.sticky-download a:hover {
  opacity: 0.8;
}

/* ============================================
   RESPONSIVE
   ============================================ */
@media (max-width: 1024px) {
  :root {
    --side-padding: 40px;
    --section-padding: 80px 0;
  }

  .about__grid,
  .contact__grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

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

  .stats__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }

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

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

  .site-nav {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(10, 10, 10, 0.98);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 32px;
    z-index: 999;
  }
  .site-nav.active {
    display: flex;
  }
  .site-nav a {
    font-size: 20px;
  }

  .nav-toggle {
    display: block;
    z-index: 1000;
  }
  .nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
  }
  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
  }
}

@media (max-width: 768px) {
  :root {
    --side-padding: 24px;
    --section-padding: 64px 0;
  }

  .hero {
    min-height: 90vh;
    padding-bottom: 60px;
  }

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

  .stats__grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .contact-form__fields {
    grid-template-columns: 1fr;
  }

  .cities {
    min-height: 60vh;
  }

  .press__buttons {
    flex-direction: column;
  }
  .press__buttons .btn {
    text-align: center;
    justify-content: center;
  }
}

@media (max-width: 480px) {
  .stats__grid {
    grid-template-columns: 1fr;
  }

  .hero__cta {
    flex-direction: column;
  }
  .hero__cta .btn {
    text-align: center;
    justify-content: center;
  }

  .site-footer .container {
    flex-direction: column;
    text-align: center;
  }
}