/* =========================================================
   BrotaAI — Editorial / Botanical redesign
   Palette extracted from logo.svg: #1B4332 (ink) + #95D5B2 (sage)
   Typography: Playfair Display + Source Serif 4 + JetBrains Mono
   ========================================================= */

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

:root {
  --ink:        #1B4332;   /* logo dark green — primary text & accent */
  --sage:       #95D5B2;   /* logo light green — accent */
  --sage-deep:  #4C8F6C;   /* mid tone, sage darkened for AA contrast on cream */
  --cream:      #FDFBF7;   /* paper background */
  --paper:      #F1ECE0;   /* deeper paper for alternating sections */
  --charcoal:   #12201A;   /* green-tinted near-black for dark sections */
  --ink-soft:   rgba(27,67,50,0.68);
  --ink-faint:  rgba(27,67,50,0.42);
  --line:       rgba(27,67,50,0.16);
  --line-dark:  rgba(255,255,255,0.14);
  --radius: 3px;
  --transition: 0.3s cubic-bezier(0.4,0,0.2,1);
}

html { scroll-behavior: smooth; }

body {
  font-family: 'Source Serif 4', Georgia, serif;
  background: var(--cream);
  color: var(--ink);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  font-size: 17px;
}

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

h1, h2, h3 {
  font-family: 'Playfair Display', Georgia, serif;
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--ink);
}
h1 { font-size: clamp(2.6rem, 6vw, 5.2rem); font-weight: 900; }
h2 { font-size: clamp(1.9rem, 4vw, 3.1rem); }
h3 { font-size: 1.3rem; font-weight: 700; }
em { font-style: italic; color: var(--sage-deep); }
p { color: var(--ink-soft); }

.eyebrow {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.18em;
  color: var(--sage-deep);
  display: flex; align-items: center; gap: 12px;
}
.eyebrow::before { content: ''; width: 28px; height: 1px; background: var(--sage-deep); display: inline-block; }

.mono-num {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.85rem; font-weight: 500;
  color: var(--sage-deep);
  letter-spacing: 0.02em;
}

/* ===== LAYOUT ===== */
.container { max-width: 1180px; margin: 0 auto; padding: 0 32px; }
.section    { padding: 120px 0; position: relative; }
.section--paper { background: var(--paper); }
.section--dark  { background: var(--charcoal); color: var(--cream); }
.section--dark p { color: rgba(253,251,247,0.6); }
.section--dark .eyebrow { color: var(--sage); }
.section--dark .eyebrow::before { background: var(--sage); }
.section--dark h2 { color: var(--cream); }

/* ===== NAVBAR ===== */
.navbar {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: rgba(253,251,247,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}
.navbar__inner { display: flex; align-items: center; justify-content: space-between; height: 84px; }
.navbar__logo { display: flex; align-items: center; gap: 12px; }
.navbar__logo img { height: 34px; width: auto; }
.navbar__logo-text { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.3rem; color: var(--ink); letter-spacing: -0.01em; }
.navbar__links { display: flex; align-items: center; gap: 40px; }
.navbar__links a {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em;
  color: var(--ink-soft);
  position: relative; padding-bottom: 4px;
  transition: color var(--transition);
}
.navbar__links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; height: 1px; width: 0;
  background: var(--ink); transition: width var(--transition);
}
.navbar__links a:hover, .navbar__links a.active { color: var(--ink); }
.navbar__links a:hover::after, .navbar__links a.active::after { width: 100%; }
.navbar__cta {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em;
  border: 1px solid var(--ink); color: var(--ink);
  padding: 10px 20px; border-radius: var(--radius);
  transition: all var(--transition);
}
.navbar__cta:hover { background: var(--ink); color: var(--cream); }
.navbar__toggle { display: none; background: none; border: none; cursor: pointer; flex-direction: column; gap: 5px; }
.navbar__toggle span { display: block; width: 22px; height: 1.5px; background: var(--ink); transition: var(--transition); }

/* ===== BUTTONS ===== */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 10px;
  padding: 15px 32px; border-radius: var(--radius);
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.78rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.08em;
  cursor: pointer; border: 1px solid transparent; transition: all var(--transition);
}
.btn--primary { background: var(--ink); color: var(--cream); border-color: var(--ink); }
.btn--primary:hover { background: var(--charcoal); transform: translateY(-1px); }
.btn--outline { background: transparent; color: var(--cream); border-color: rgba(253,251,247,0.35); }
.btn--outline:hover { border-color: var(--cream); }
.link-arrow {
  display: inline-flex; align-items: center; gap: 8px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.8rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--ink-soft); border-bottom: 1px solid var(--line); padding-bottom: 4px;
  transition: all var(--transition);
}
.link-arrow:hover { color: var(--ink); border-color: var(--ink); gap: 12px; }

/* ===== HERO ===== */
.hero {
  min-height: 100vh; display: flex; align-items: center;
  padding: 150px 0 80px; position: relative; overflow: hidden;
}
.hero__leaf {
  position: absolute; top: -8%; right: -6%; width: 46%; max-width: 620px;
  opacity: 0.07; pointer-events: none; z-index: 0;
}
.hero__inner { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 72px; align-items: end; position: relative; z-index: 1; }
.hero__sub { font-size: 1.15rem; max-width: 480px; margin: 28px 0 40px; }
.hero__actions { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }

.hero__list-title {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.75rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em;
  color: var(--ink-faint); padding-bottom: 20px; border-bottom: 1px solid var(--line); margin-bottom: 8px;
}
.hero__pillar {
  display: grid; grid-template-columns: 40px 1fr; gap: 18px;
  padding: 26px 0; border-bottom: 1px solid var(--line);
}
.hero__pillar:last-of-type { border-bottom: none; }
.hero__pillar-num { font-family: 'JetBrains Mono', monospace; font-size: 0.85rem; color: var(--sage-deep); padding-top: 3px; }
.hero__pillar h3 { font-family: 'Playfair Display', serif; font-size: 1.15rem; margin-bottom: 6px; }
.hero__pillar p { font-size: 0.92rem; line-height: 1.6; }
.hero__list-cta { display: inline-block; margin-top: 28px; }

/* ===== TRUST BAR ===== */
.trust { padding: 56px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.trust__label { text-align: center; margin-bottom: 36px; justify-content: center; }
.trust__logos { display: flex; flex-wrap: wrap; justify-content: center; align-items: center; gap: 44px; }
.trust__logo {
  display: flex; align-items: center; gap: 10px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.82rem; font-weight: 500; color: var(--ink-faint);
  transition: color var(--transition);
}
.trust__logo:hover { color: var(--ink); }
.trust__logo img, .trust__logo-svg { width: 22px; height: 22px; object-fit: contain; opacity: 0.7; }
.trust__logo-svg { color: var(--ink-faint); }
.trust__more { text-align: center; margin-top: 32px; font-size: 0.85rem; color: var(--ink-faint); font-style: italic; }

/* ===== SECTION HEADER ===== */
.section-header { max-width: 720px; margin-bottom: 72px; }
.section-header h2 { margin: 18px 0 20px; }
.section-header p { font-size: 1.05rem; max-width: 560px; }

/* ===== EDITORIAL INDEX (why brotaai) ===== */
.index-grid { display: grid; grid-template-columns: 0.9fr 1.1fr; gap: 80px; }
.index-list__item {
  display: grid; grid-template-columns: 56px 1fr; gap: 24px;
  padding: 32px 0; border-bottom: 1px solid var(--line);
}
.index-list__item:first-child { padding-top: 0; }
.index-list__item:last-child { border-bottom: none; }
.index-list__item h3 { margin-bottom: 8px; }
.index-list__item p { font-size: 0.96rem; }

/* ===== PROCESS ===== */
.process__steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 0; }
.process__step { padding: 0 28px 0 0; border-right: 1px solid var(--line-dark); }
.process__step:last-child { border-right: none; padding-right: 0; }
.process__number {
  font-family: 'Playfair Display', serif; font-size: 2.4rem; font-weight: 700;
  color: var(--sage); margin-bottom: 20px; line-height: 1;
}
.process__step h3 { color: var(--cream); margin-bottom: 10px; font-size: 1.1rem; }
.badge-free {
  font-family: 'JetBrains Mono', monospace; font-size: 0.65rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.06em;
  color: var(--charcoal); background: var(--sage);
  padding: 3px 9px; border-radius: var(--radius); vertical-align: middle; margin-left: 8px;
}

/* ===== TESTIMONIALS (pull-quote) ===== */
.testimonials__grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; }
.testimonial-card { border-left: 1px solid var(--line); padding-left: 32px; }
.testimonial-card__quote {
  font-family: 'Playfair Display', serif; font-style: italic; font-weight: 500;
  font-size: 1.35rem; line-height: 1.5; color: var(--ink); margin-bottom: 28px;
}
.testimonial-card__author { display: flex; align-items: center; gap: 16px; }
.testimonial-card__avatar { width: 48px; height: 48px; border-radius: 50%; object-fit: cover; object-position: center top; filter: grayscale(0.2); }
.testimonial-card__name { font-family: 'JetBrains Mono', monospace; font-size: 0.8rem; font-weight: 500; color: var(--ink); }
.testimonial-card__role { font-size: 0.78rem; color: var(--ink-faint); margin-top: 2px; }
.testimonial-card__location { display: none; }

/* ===== CTA BANNER ===== */
.cta-banner { text-align: left; padding: 0; }
.cta-banner h2 { margin-bottom: 20px; max-width: 640px; }
.cta-banner p  { max-width: 480px; margin-bottom: 40px; font-size: 1.05rem; }
.cta-banner__actions { display: flex; align-items: center; gap: 32px; flex-wrap: wrap; }

/* ===== FOOTER ===== */
.footer { background: var(--charcoal); color: var(--cream); padding: 80px 0 32px; }
.footer__top { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 48px; padding-bottom: 56px; border-bottom: 1px solid var(--line-dark); margin-bottom: 32px; }
.footer__brand-logo { display: flex; align-items: center; gap: 12px; margin-bottom: 18px; }
.footer__brand-logo img { height: 30px; }
.footer__brand-logo span { font-family: 'Playfair Display', serif; font-weight: 700; font-size: 1.15rem; color: var(--cream); }
.footer__tagline { font-size: 0.9rem; color: rgba(253,251,247,0.5); max-width: 260px; line-height: 1.65; }
.footer__col h4 { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 500; text-transform: uppercase; letter-spacing: 0.1em; color: rgba(253,251,247,0.4); margin-bottom: 18px; }
.footer__col ul { display: flex; flex-direction: column; gap: 12px; }
.footer__col a { font-size: 0.9rem; color: rgba(253,251,247,0.65); transition: color var(--transition); }
.footer__col a:hover { color: var(--sage); }
.footer__bottom { display: flex; justify-content: space-between; align-items: center; }
.footer__copy { font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; color: rgba(253,251,247,0.35); }
.footer__social { display: flex; gap: 12px; }
.footer__social a { width: 34px; height: 34px; border-radius: var(--radius); border: 1px solid var(--line-dark); display: flex; align-items: center; justify-content: center; font-size: 0.85rem; color: rgba(253,251,247,0.5); transition: all var(--transition); }
.footer__social a:hover { border-color: var(--sage); color: var(--sage); }

/* ===== RESPONSIVE ===== */
@media (max-width: 900px) {
  .hero__inner   { grid-template-columns: 1fr; gap: 56px; }
  .hero__leaf    { width: 70%; top: -4%; right: -20%; }
  .index-grid    { grid-template-columns: 1fr; gap: 32px; }
  .process__steps{ grid-template-columns: 1fr 1fr; gap: 40px 28px; }
  .process__step { border-right: none; padding-right: 0; }
  .testimonials__grid { grid-template-columns: 1fr; gap: 40px; }
  .footer__top   { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 620px) {
  .section       { padding: 80px 0; }
  .process__steps{ grid-template-columns: 1fr; }
  .footer__top   { grid-template-columns: 1fr; }
  .footer__bottom{ flex-direction: column; gap: 16px; text-align: center; }
  .hero__actions { flex-direction: column; align-items: flex-start; gap: 18px; }
  .cta-banner__actions { flex-direction: column; align-items: flex-start; gap: 18px; }
  .navbar__links, .navbar__cta { display: none; }
  .navbar__toggle { display: flex; }
  .navbar__links.open {
    display: flex; flex-direction: column; align-items: flex-start; gap: 18px;
    position: fixed; top: 84px; left: 0; right: 0; background: var(--cream);
    padding: 28px 32px; border-top: 1px solid var(--line);
  }
}

/* =========================================================
   INNER PAGES — page-hero, chips, casos, services, contact
   ========================================================= */

/* ===== PAGE HERO ===== */
.page-hero { padding: 172px 0 88px; position: relative; overflow: hidden; }
.page-hero__leaf {
  position: absolute; top: -20%; right: -8%; width: 32%; max-width: 420px;
  opacity: 0.06; pointer-events: none; z-index: 0;
}
.page-hero .container { position: relative; z-index: 1; }
.page-hero .eyebrow { margin-bottom: 22px; }
.page-hero h1 { font-size: clamp(2.2rem, 4.5vw, 3.6rem); margin-bottom: 20px; max-width: 720px; }
.page-hero p { font-size: 1.08rem; max-width: 560px; }

/* ===== CHIP (tag) ===== */
.chip-row { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 8px; }
.chip {
  font-family: 'JetBrains Mono', monospace;
  font-size: 0.7rem; font-weight: 500; letter-spacing: 0.03em;
  color: var(--ink-soft); border: 1px solid var(--line);
  padding: 5px 12px; border-radius: var(--radius);
}

/* ===== SERVICES (editorial index, reuses .index-list__item pattern) ===== */
.service-list { max-width: 880px; }
.service-list__item {
  display: grid; grid-template-columns: 56px 1fr; gap: 24px;
  padding: 40px 0; border-bottom: 1px solid var(--line);
}
.service-list__item:first-child { padding-top: 0; }
.service-list__item:last-child { border-bottom: none; }
.service-list__item h3 { margin-bottom: 10px; }
.service-list__item p { font-size: 1rem; max-width: 620px; margin-bottom: 4px; }

/* ===== CASOS DE USO ===== */
.caso {
  display: grid; grid-template-columns: 0.85fr 1.3fr; gap: 64px;
  padding: 72px 0; border-bottom: 1px solid var(--line); align-items: center;
}
.caso:last-child { border-bottom: none; padding-bottom: 0; }
.caso__img, .caso__img-placeholder {
  width: 100%; aspect-ratio: 4/3; object-fit: cover;
  border-radius: var(--radius); filter: saturate(0.92);
}
.caso__img-placeholder { background: linear-gradient(135deg, var(--ink) 0%, var(--sage-deep) 100%); }
.caso__tag { margin-bottom: 18px; }
.caso__title { font-size: clamp(1.4rem, 2.5vw, 2rem); margin-bottom: 10px; }
.caso__subtitle {
  font-family: 'Source Serif 4', serif; font-style: italic;
  font-size: 1.02rem; color: var(--ink-soft); margin-bottom: 18px;
}
.caso__desc { margin-bottom: 20px; font-size: 1rem; }

/* ===== CONTACT ===== */
.contact__grid { display: grid; grid-template-columns: 0.85fr 1.15fr; gap: 72px; align-items: start; }
.contact__info h2 { margin-bottom: 18px; }
.contact__info p { margin-bottom: 40px; font-size: 1.05rem; }
.contact__items { display: flex; flex-direction: column; }
.contact__item {
  padding: 22px 0; border-bottom: 1px solid var(--line);
  display: flex; flex-direction: column; gap: 4px;
}
.contact__item:first-child { padding-top: 0; }
.contact__item-label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.7rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.1em; color: var(--sage-deep);
}
.contact__item-value { font-family: 'Playfair Display', serif; font-size: 1.15rem; color: var(--ink); }

/* ===== FORM ===== */
.form { background: var(--paper); border: 1px solid var(--line); border-radius: var(--radius); padding: 44px; }
.form__row { display: grid; grid-template-columns: 1fr 1fr; gap: 28px; }
.form__group { display: flex; flex-direction: column; gap: 8px; margin-bottom: 28px; }
.form__group label {
  font-family: 'JetBrains Mono', monospace; font-size: 0.72rem; font-weight: 500;
  text-transform: uppercase; letter-spacing: 0.08em; color: var(--ink-faint);
}
.form__group input, .form__group select, .form__group textarea {
  background: transparent; border: none; border-bottom: 1px solid var(--line);
  border-radius: 0; padding: 10px 2px;
  font-family: 'Source Serif 4', serif; font-size: 1rem; color: var(--ink);
  outline: none; resize: none; transition: border-color var(--transition);
}
.form__group input::placeholder, .form__group textarea::placeholder { color: var(--ink-faint); font-style: italic; }
.form__group input:focus, .form__group select:focus, .form__group textarea:focus { border-color: var(--ink); }
.form__group textarea { min-height: 110px; }
.form__submit { width: 100%; margin-top: 8px; justify-content: center; background: var(--ink); color: var(--cream); border-color: var(--ink); }
.form__submit:hover { background: var(--charcoal); }

/* ===== TOAST ===== */
.toast {
  position: fixed; bottom: 32px; right: 32px;
  background: var(--charcoal); color: var(--cream);
  padding: 16px 24px; border-radius: var(--radius);
  font-family: 'Source Serif 4', serif; font-size: 0.95rem;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  transform: translateY(80px); opacity: 0;
  transition: all 0.4s cubic-bezier(0.34,1.56,0.64,1);
  z-index: 999;
}
.toast.show { transform: translateY(0); opacity: 1; }

@media (max-width: 900px) {
  .caso { grid-template-columns: 1fr; gap: 32px; }
  .contact__grid { grid-template-columns: 1fr; gap: 48px; }
}
@media (max-width: 620px) {
  .form { padding: 32px 24px; }
  .form__row { grid-template-columns: 1fr; gap: 0; }
  .service-list__item, .index-list__item { grid-template-columns: 40px 1fr; gap: 16px; }
}