/* ===== Variables ===== */
:root {
  --color-primary: #7a9e8e;      /* verde salvia */
  --color-primary-dark: #5d8172;
  --color-bg: #fbf8f4;
  --color-bg-alt: #f1ebe3;
  --color-text: #3a3a3a;
  --color-muted: #6b6b6b;
  --font-title: "Lora", serif;
  --font-body: "Nunito Sans", sans-serif;
  --radius: 12px;
  --max-width: 1100px;
}

/* ===== Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  color: var(--color-text);
  background: var(--color-bg);
  line-height: 1.6;
}
img { max-width: 100%; display: block; }
a { color: inherit; }
h1, h2, h3 { font-family: var(--font-title); line-height: 1.2; }

/* ===== Utilidades ===== */
.container { width: min(100% - 2rem, var(--max-width)); margin-inline: auto; }
.section { padding: 5rem 0; }
.section--alt { background: var(--color-bg-alt); }
.section__title { text-align: center; margin-bottom: 2.5rem; font-size: 2rem; }

.btn {
  display: inline-block;
  background: var(--color-primary);
  color: #fff;
  padding: .8rem 1.6rem;
  border: none;
  border-radius: 999px;
  text-decoration: none;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  transition: background .2s;
}
.btn:hover { background: var(--color-primary-dark); }
.btn--small { padding: .5rem 1.1rem; }

/* ===== Header ===== */
.header {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--color-bg);
  border-bottom: 1px solid var(--color-bg-alt);
}
.header__inner { display: flex; align-items: center; justify-content: space-between; height: 70px; }
.logo { font-family: var(--font-title); font-size: 1.4rem; text-decoration: none; }
.logo span { color: var(--color-primary); }

.nav__list { display: flex; align-items: center; gap: 1.5rem; list-style: none; }
.nav__list a { text-decoration: none; }
.nav__list a:not(.btn):hover { color: var(--color-primary); }

.nav-toggle { display: none; background: none; border: none; cursor: pointer; }
.nav-toggle span { display: block; width: 24px; height: 2px; margin: 5px 0; background: var(--color-text); }

/* ===== Hero ===== */
.hero { padding: 4rem 0; }
.hero__inner { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; align-items: center; }
.hero h1 { font-size: clamp(2rem, 4vw, 3rem); margin-bottom: 1rem; }
.hero p { color: var(--color-muted); margin-bottom: 2rem; font-size: 1.1rem; }
.hero__img img { border-radius: var(--radius); aspect-ratio: 4 / 3; object-fit: cover; background: var(--color-bg-alt); }

/* ===== Sobre mí ===== */
.about { display: grid; grid-template-columns: 1fr 2fr; gap: 3rem; align-items: center; }
.about__img { border-radius: var(--radius); aspect-ratio: 1; object-fit: cover; background: var(--color-bg-alt); }
.about h2 { font-size: 2rem; margin-bottom: 1rem; }
.about p + p { margin-top: 1rem; }

/* ===== Servicios ===== */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 1.5rem; }
.card { background: var(--color-bg); padding: 2rem; border-radius: var(--radius); }
.card h3 { margin-bottom: .5rem; color: var(--color-primary-dark); }

/* ===== Cómo trabajo ===== */
.steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 1.5rem; list-style: none; counter-reset: step; }
.steps li { counter-increment: step; text-align: center; }
.steps li::before {
  content: counter(step);
  display: grid; place-items: center;
  width: 48px; height: 48px; margin: 0 auto 1rem;
  border-radius: 50%;
  background: var(--color-primary); color: #fff;
  font-family: var(--font-title); font-size: 1.3rem;
}
.steps strong { display: block; font-size: 1.1rem; margin-bottom: .3rem; }

/* ===== Contacto ===== */
.contact { display: grid; grid-template-columns: 1fr 1fr; gap: 3rem; }
.contact h2 { font-size: 2rem; margin-bottom: 1rem; }
.contact__info { list-style: none; margin-top: 1.5rem; display: grid; gap: .6rem; }
.form { display: grid; gap: 1rem; }
.form label { display: grid; gap: .3rem; font-weight: 600; }
.form input, .form textarea {
  font: inherit; padding: .7rem; border: 1px solid #d8d0c5; border-radius: 8px; background: #fff;
}
.form input:focus, .form textarea:focus { outline: 2px solid var(--color-primary); border-color: transparent; }
.form__check { display: flex !important; align-items: center; gap: .5rem; font-weight: 400 !important; }

/* ===== Footer ===== */
.footer { padding: 2rem 0; font-size: .9rem; color: var(--color-muted); }
.footer__inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 1rem; }
.footer nav { display: flex; gap: 1rem; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .nav-toggle { display: block; }
  .nav {
    position: absolute; top: 70px; left: 0; right: 0;
    background: var(--color-bg);
    display: none;
    border-bottom: 1px solid var(--color-bg-alt);
  }
  .nav.is-open { display: block; }
  .nav__list { flex-direction: column; padding: 1.5rem; }

  .hero__inner, .about, .contact { grid-template-columns: 1fr; }
  .hero__img { order: -1; }
  .about__img { max-width: 280px; margin-inline: auto; }
  .section { padding: 3.5rem 0; }
}

/* ===== Placeholders de imagen ===== */
.ph { display: grid; place-items: center; background: var(--color-bg-alt); color: var(--color-muted); border-radius: var(--radius); }
.ph--hero { aspect-ratio: 4 / 3; }