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

body {
  font-family: system-ui, sans-serif;
  background: #f4f6f1;
  color: #1a1a1a;
  line-height: 1.6;
  cursor: none;
}

img {
  max-width: 100%;
  display: block;
}
ul {
  list-style: none;
}
a {
  text-decoration: none;
  color: inherit;
}

/* ============================================================
   VARIABLES
   ============================================================ */
:root {
  --green: #3b7f4a;
  --green-light: #dcefe2;
  --beige: #f7f3e9;
  --dark: #1a1a1a;
  --radius: 18px;
  --shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  width: 100%;
  max-width: 1120px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section {
  padding: 5rem 0;
  opacity: 0;
  transform: translateY(40px) scale(0.98);
  transition:
    opacity 0.9s ease,
    transform 0.9s ease;
}

.section.visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.section--light {
  background: #ffffff;
}

.section--accent {
  background: linear-gradient(135deg, #3b7f4a, #1a1a1a);
  color: #ffffff;
}

.section__header {
  text-align: center;
  margin-bottom: 3rem;
}

.section__header h2 {
  font-size: 2rem;
  margin-bottom: 0.75rem;
}

/* ============================================================
   HEADER
   ============================================================ */
.header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid #e5e5e5;
  transition:
    background 0.35s ease,
    box-shadow 0.35s ease;
}

.header.scrolled {
  background: rgba(255, 255, 255, 0.95);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.08);
}

.header__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 0;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 600;
  text-transform: uppercase;
}

.logo span {
  color: var(--green);
}

.grid--3 {
  display: grid;
  gap: 2.5rem; /* controla la separación entre artículos */
}

/* ============================================================
   NAV
   ============================================================ */
.nav__list {
  display: flex;
  gap: 1.5rem;
}

.nav__list a {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.9rem;
  padding-bottom: 0.2rem;
  position: relative;
}

.nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--green);
  transition: width 0.25s ease;
}

.nav__list a:hover::after {
  width: 100%;
}

/* ============================================================
   NAV TOGGLE
   ============================================================ */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 0.25rem;
  cursor: pointer;
  z-index: 100;
}

.nav-toggle span {
  width: 22px;
  height: 2px;
  background: var(--dark);
  border-radius: 999px;
  transition:
    transform 0.35s ease,
    opacity 0.35s ease,
    background 0.35s ease;
}

.nav-toggle--open span:nth-child(1) {
  transform: translateY(8px) rotate(45deg);
}

.nav-toggle--open span:nth-child(2) {
  opacity: 0;
}

.nav-toggle--open span:nth-child(3) {
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  padding: 6rem 0;
  background: linear-gradient(135deg, #dcefe2, #f7f3e9);
}

.hero__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero__eyebrow {
  text-transform: uppercase;
  font-size: 0.8rem;
  color: var(--green);
  margin-bottom: 1rem;
}

.hero__title {
  font-size: 2.6rem;
  margin-bottom: 1rem;
}

.hero__subtitle {
  max-width: 32rem;
  margin-bottom: 2rem;
  color: #555;
}

.hero__actions {
  display: flex;
  gap: 1rem;
}

.hero__badge {
  background: var(--green);
  color: #fff;
  padding: 1rem 1.5rem;
  border-radius: var(--radius);
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  padding: 0.9rem 1.6rem;
  border-radius: 999px;
  font-size: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  position: relative;
  overflow: hidden;
  transition: 0.25s ease;
}

.btn::after {
  content: "";
  position: absolute;
  inset: 0;
  background: rgba(255, 255, 255, 0.25);
  opacity: 0;
  transform: scale(0.6);
  border-radius: inherit;
  transition:
    opacity 0.35s ease,
    transform 0.35s ease;
}

.btn:hover::after {
  opacity: 1;
  transform: scale(1);
}

.btn--primary {
  background: var(--green);
  color: #fff;
}

.btn--primary:hover {
  background: #2f6a3c;
}

.btn--ghost {
  border: 2px solid var(--green);
  color: var(--green);
}

.btn--ghost:hover {
  background: var(--green);
  color: #fff;
}

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

/* ============================================================
   CARDS
   ============================================================ */
.card {
  background: #fff;
  padding: 2rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  text-align: center;
  transition:
    transform 0.35s ease,
    box-shadow 0.35s ease,
    background 0.35s ease;
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.12);
}

.card__icon {
  font-size: 2rem;
  color: var(--green);
  margin-bottom: 1rem;
  transition:
    transform 0.35s ease,
    color 0.35s ease;
}

.card:hover .card__icon {
  transform: scale(1.15);
  color: var(--green);
}

/* ============================================================
   PROYECTOS
   ============================================================ */
.projects .project-card {
  background: #fff;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: transform 0.35s ease;
}

.project-card:hover {
  transform: translateY(-6px);
}

.project-card__image {
  height: 180px;
  background-size: cover;
  background-position: center;
  transition: transform 0.6s ease;
}

.project-card:hover .project-card__image {
  transform: scale(1.12);
}

.project-card__image--1 {
  background: linear-gradient(135deg, #8bcf9b, #3b7f4a);
}
.project-card__image--2 {
  background: linear-gradient(135deg, #f7d9a0, #c49b4a);
}
.project-card__image--3 {
  background: linear-gradient(135deg, #a0d8f7, #3a7fb8);
}

.project-card__body {
  padding: 1.5rem;
}

/* ============================================================
   CONTACTO
   ============================================================ */
.contact {
  display: grid;
  grid-template-columns: 1.1fr 1fr;
  gap: 3rem;
}

.contact__form {
  background: rgba(255, 255, 255, 0.1);
  padding: 2rem;
  border-radius: var(--radius);
  backdrop-filter: blur(6px);
}

.form__group {
  margin-bottom: 1rem;
}

.form__group input,
.form__group textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border-radius: var(--radius);
  border: none;
  background: rgba(255, 255, 255, 0.8);
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  padding: 2.5rem 0;
  background: #1a1a1a;
  color: #ccc;
  text-align: center;
}

/* ============================================================
   CURSOR PREMIUM
   ============================================================ */
.cursor-dot,
.cursor-outline {
  position: fixed;
  top: 0;
  left: 0;
  pointer-events: none;
  border-radius: 50%;
  transform: translate(-50%, -50%);
  z-index: 9999;
}

.cursor-dot {
  width: 8px;
  height: 8px;
  background: var(--green);
}

.cursor-outline {
  width: 32px;
  height: 32px;
  border: 2px solid var(--green);
  transition:
    width 0.25s ease,
    height 0.25s ease,
    border-color 0.25s ease;
}

.cursor-outline.magnetic-hover {
  width: 60px !important;
  height: 60px !important;
  border-color: var(--green);
  opacity: 0.35;
}

/* ============================================================
   PARALLAX 3D
   ============================================================ */
.parallax-3d {
  transform-style: preserve-3d;
  transition: transform 0.35s ease;
}

/* ============================================================
   SCROLL REVEAL
   ============================================================ */
.scroll-reveal {
  opacity: 0;
  transform: translateY(30px) scale(0.98);
  transition:
    opacity 0.8s ease,
    transform 0.8s cubic-bezier(0.17, 0.67, 0.32, 1.3);
}

.scroll-reveal--visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 768px) {
  .nav {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(255, 255, 255, 0.95);
    transform: translateY(-100%);
    opacity: 0;
    pointer-events: none;
    transition: 0.35s ease;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 60;
  }

  .nav--open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }

  .nav__list {
    flex-direction: column;
    gap: 1.5rem;
  }

  .nav-toggle {
    display: flex;
  }

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