/* ═══════════════════════════════════════════
   ASESORÍAS SEC — styles.css
   ═══════════════════════════════════════════ */

/* ─── CUSTOM PROPERTIES ─── */
:root {
  --navy:       #0B1F3A;
  --navy-mid:   #152D4A;
  --navy-light: #1E3A5F;
  --accent:     #00C896;
  --accent-dk:  #00A07A;
  --white:      #FFFFFF;
  --off-white:  #F7F9FC;
  --text:       #1A2940;
  --text-muted: #64748B;
  --border:     rgba(11, 31, 58, 0.08);

  --font-display: 'DM Serif Display', Georgia, 'Times New Roman', serif;
  --font-body:    'Plus Jakarta Sans', system-ui, -apple-system, sans-serif;

  --radius:    12px;
  --radius-lg: 20px;
  --shadow:    0 4px 24px rgba(11, 31, 58, 0.07);
  --shadow-md: 0 8px 32px rgba(11, 31, 58, 0.12);
  --shadow-lg: 0 16px 48px rgba(11, 31, 58, 0.16);

  --ease: cubic-bezier(0.4, 0, 0.2, 1);
  --duration: 0.3s;
}

/* ─── RESET ─── */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}
html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  hanging-punctuation: first last;
}
body {
  font-family: var(--font-body);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  overflow-x: hidden;
}
img, svg { display: block; max-width: 100%; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { cursor: pointer; font: inherit; border: none; background: none; }
address { font-style: normal; }

/* ─── TYPOGRAPHY ─── */
h1 {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5.5vw, 4rem);
  font-weight: 400;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
h2 {
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.015em;
}
h3 {
  font-size: 1.2rem;
  font-weight: 700;
  line-height: 1.3;
}
p { line-height: 1.7; }

/* ─── LAYOUT ─── */
.container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* ─── BUTTONS ─── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 2rem;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.975rem;
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease),
              background var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              color var(--duration) var(--ease);
  white-space: nowrap;
  letter-spacing: 0.01em;
}
.btn--primary {
  background: var(--accent);
  color: var(--navy);
}
.btn--primary:hover,
.btn--primary:focus-visible {
  background: var(--accent-dk);
  transform: translateY(-3px);
  box-shadow: 0 10px 28px rgba(0, 200, 150, 0.38);
}
.btn--outline {
  border: 2px solid rgba(255, 255, 255, 0.35);
  color: var(--white);
}
.btn--outline:hover,
.btn--outline:focus-visible {
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-3px);
}
.btn--full {
  width: 100%;
  border-radius: var(--radius);
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* Focus visible global */
:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ─── NAVIGATION ─── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  /* Always has a base background to avoid content bleed-through issues */
  background: transparent;
  transition: background 0.4s var(--ease),
              box-shadow 0.4s var(--ease);
}
.nav.scrolled,
.nav.menu-open {
  background: rgba(11, 31, 58, 0.98);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  box-shadow: 0 1px 0 rgba(255,255,255,0.06), 0 4px 24px rgba(0, 0, 0, 0.3);
}
.nav__container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 1.5rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  /* Fixed height — prevents layout shift when scrolled class is added */
  height: 68px;
}
.nav.scrolled .nav__container {
  height: 60px;
  transition: height 0.4s var(--ease);
}

/* Logo image */
.nav__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}
.nav__logo-img {
  height: 44px;
  width: auto;
  max-width: 180px;
  object-fit: contain;
  /* Logo is dark (black on transparent) — invert to white for dark nav */
  filter: invert(1) brightness(1.1);
  transition: opacity var(--duration) var(--ease);
}
.nav__logo:hover .nav__logo-img { opacity: 0.85; }

/* Nav links */
.nav__links {
  display: flex;
  align-items: center;
  gap: 2rem;
}
.nav__links a {
  color: rgba(255, 255, 255, 0.82);
  font-weight: 500;
  font-size: 0.875rem;
  letter-spacing: 0.01em;
  transition: color var(--duration) var(--ease);
  position: relative;
  /* Prevent underline pseudo-el from overflowing nav */
  padding-bottom: 9px;
}
.nav__links a::after {
  content: '';
  position: absolute;
  bottom: -2px; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  border-radius: 1px;
  transition: transform var(--duration) var(--ease);
}
.nav__links a:hover { color: var(--white); }
.nav__links a:hover::after,
.nav__links a.active::after { transform: scaleX(1); }
.nav__links a.active { color: var(--white); }

.nav__cta {
  background: var(--accent) !important;
  color: var(--navy) !important;
  padding: 0.5rem 1.25rem;
  border-radius: 50px;
  font-weight: 700 !important;
  line-height: 1;
  transition: background var(--duration) var(--ease),
              transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease) !important;
}
.nav__cta::after { display: none !important; }
.nav__cta:hover {
  background: var(--accent-dk) !important;
  transform: translateY(-1px) !important;
  box-shadow: 0 4px 12px rgba(0, 200, 150, 0.4);
}

/* Hamburger */
.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 102;
  border-radius: 6px;
  transition: background var(--duration) var(--ease);
}
.nav__hamburger:hover { background: rgba(255,255,255,0.08); }
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--white);
  border-radius: 2px;
  transition: transform var(--duration) var(--ease),
              opacity var(--duration) var(--ease);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(2) {
  opacity: 0;
  transform: scaleX(0);
}
.nav__hamburger[aria-expanded="true"] span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile menu overlay backdrop */
.nav__backdrop {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.52);
  z-index: 98;
  opacity: 0;
  pointer-events: none;
  visibility: hidden;
  transition: opacity 0.35s var(--ease), visibility 0.35s var(--ease);
}
.nav__backdrop.visible {
  opacity: 1;
  pointer-events: auto;
  visibility: visible;
}

/* ─── HERO ─── */
.hero {
  min-height: 100svh;
  background: var(--navy);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  padding-top: 80px;
}
/* Radial glow background */
.hero::before {
  content: '';
  position: absolute;
  top: -30%;
  right: -15%;
  width: 800px;
  height: 800px;
  background: radial-gradient(circle, rgba(0, 200, 150, 0.1) 0%, transparent 65%);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: 20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(30, 58, 95, 0.6) 0%, transparent 70%);
  pointer-events: none;
}
.hero__container {
  max-width: 1180px;
  margin: 0 auto;
  padding: 4rem 1.5rem 6rem;
  display: grid;
  grid-template-columns: 1.05fr 0.95fr;
  gap: 5rem;
  align-items: center;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.45rem 1.1rem;
  background: rgba(0, 200, 150, 0.1);
  border: 1px solid rgba(0, 200, 150, 0.28);
  color: var(--accent);
  border-radius: 50px;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  margin-bottom: 1.5rem;
}
.hero__title {
  color: var(--white);
  margin-bottom: 1.25rem;
}
.hero__title em {
  font-style: normal;
  color: var(--accent);
}
.hero__subtitle {
  color: rgba(255, 255, 255, 0.68);
  font-size: 1.1rem;
  max-width: 520px;
  margin-bottom: 2.5rem;
}
.hero__ctas {
  display: flex;
  align-items: center;
  gap: 1rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}
.hero__stats {
  display: flex;
  gap: 2.5rem;
  padding-top: 2rem;
  border-top: 1px solid rgba(255, 255, 255, 0.09);
}
.hero__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2.1rem;
  color: var(--accent);
  line-height: 1;
}
.hero__stat span {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.5);
  margin-top: 0.3rem;
  display: block;
}

/* Hero Visual */
.hero__visual {
  display: flex;
  align-items: center;
  justify-content: center;
}
.hero__visual-inner {
  position: relative;
  width: 400px;
  height: 400px;
}
.hero__ring {
  position: absolute;
  border-radius: 50%;
  border: 1px solid rgba(0, 200, 150, 0.12);
}
.hero__ring--1 { inset: 0; }
.hero__ring--2 { inset: 28px; border-color: rgba(0, 200, 150, 0.07); }
.hero__icons-grid {
  position: absolute;
  inset: 28px;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
}
.hero__icon-card {
  background: rgba(255, 255, 255, 0.035);
  border: 1px solid rgba(255, 255, 255, 0.07);
  border-radius: var(--radius);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 1rem;
  transition: background var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.hero__icon-card:hover {
  background: rgba(0, 200, 150, 0.08);
  border-color: rgba(0, 200, 150, 0.22);
  transform: translateY(-4px);
}
.hero__icon-card svg {
  width: 44px;
  height: 44px;
}
.hero__icon-card span {
  color: rgba(255, 255, 255, 0.55);
  font-size: 0.72rem;
  font-weight: 600;
  text-align: center;
  letter-spacing: 0.01em;
}

/* Wave bottom */
.hero__wave {
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  line-height: 0;
}
.hero__wave svg {
  width: 100%;
  height: 80px;
}

/* ─── SECTION COMMON ─── */
.section {
  padding: 6rem 0;
}
.section__header {
  text-align: center;
  margin-bottom: 4rem;
  max-width: 680px;
  margin-left: auto;
  margin-right: auto;
}
.section__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 800;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.875rem;
}
.section__title { color: var(--navy); }
.section__desc {
  color: var(--text-muted);
  font-size: 1.05rem;
  margin-top: 0.875rem;
}

/* ─── SERVICES ─── */
.services__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.service-card {
  background: var(--off-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 2.25rem;
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
  position: relative;
  overflow: hidden;
}
.service-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--accent), var(--accent-dk));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease);
  border-radius: 3px 3px 0 0;
}
.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}
.service-card:hover::after {
  transform: scaleX(1);
}
.service-card__icon {
  width: 64px;
  height: 64px;
  margin-bottom: 1.5rem;
}
.service-card h3 {
  color: var(--navy);
  margin-bottom: 0.625rem;
}
.service-card p {
  color: var(--text-muted);
  font-size: 0.925rem;
  margin-bottom: 1.5rem;
}
.service-card__link {
  display: inline-flex;
  align-items: center;
  color: var(--accent);
  font-weight: 700;
  font-size: 0.875rem;
  gap: 0.25rem;
  transition: gap var(--duration) var(--ease),
              color var(--duration) var(--ease);
}
.service-card__link:hover {
  gap: 0.6rem;
  color: var(--accent-dk);
}

/* ─── WHY / DIFERENCIADORES ─── */
.why {
  background: var(--navy);
}
.why .section__title { color: var(--white); }
.why__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
}
.why-item {
  display: flex;
  gap: 1.5rem;
  align-items: flex-start;
  padding: 2rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius-lg);
  transition: background var(--duration) var(--ease),
              border-color var(--duration) var(--ease);
}
.why-item:hover {
  background: rgba(255, 255, 255, 0.07);
  border-color: rgba(0, 200, 150, 0.18);
}
.why-item__number {
  font-family: var(--font-display);
  font-size: 2.6rem;
  color: var(--accent);
  line-height: 1;
  min-width: 72px;
}
.why-item__icon {
  min-width: 40px;
  width: 40px;
  height: 40px;
  margin-top: 2px;
}
.why-item__content h3 {
  color: var(--white);
  margin-bottom: 0.5rem;
}
.why-item__content p {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.925rem;
}

/* ─── SECTORS ─── */
.sectors__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
}
.tag {
  padding: 0.6rem 1.5rem;
  border-radius: 50px;
  border: 2px solid rgba(11, 31, 58, 0.11);
  color: var(--navy);
  font-weight: 600;
  font-size: 0.875rem;
  cursor: default;
  transition: background var(--duration) var(--ease),
              border-color var(--duration) var(--ease),
              color var(--duration) var(--ease),
              transform var(--duration) var(--ease);
}
.tag:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--navy);
  transform: translateY(-2px);
}

/* ─── TESTIMONIALS ─── */
.testimonials {
  background: var(--off-white);
}
.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.testimonial-card {
  background: var(--white);
  border-radius: var(--radius-lg);
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
}
.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.testimonial-card__stars {
  color: #F59E0B;
  font-size: 1rem;
  letter-spacing: 0.08em;
  margin-bottom: 1rem;
}
.testimonial-card > p {
  color: var(--text-muted);
  font-size: 0.925rem;
  font-style: italic;
  margin-bottom: 1.5rem;
  quotes: "\201C" "\201D";
}
.testimonial-card > p::before { content: open-quote; }
.testimonial-card > p::after  { content: close-quote; }
.testimonial-card__author strong {
  display: block;
  color: var(--navy);
  font-weight: 700;
  font-size: 0.9rem;
}
.testimonial-card__author cite {
  font-size: 0.8rem;
  color: var(--text-muted);
  font-style: normal;
}

/* ─── CONTACT ─── */
.contact__wrapper {
  display: grid;
  grid-template-columns: 1fr 1.3fr;
  gap: 5rem;
  align-items: start;
}
.contact__info .section__label { display: block; margin-bottom: 0.875rem; }
.contact__info .section__title { text-align: left; margin-bottom: 1rem; }
.contact__info > p {
  color: var(--text-muted);
  margin-bottom: 2rem;
  font-size: 0.975rem;
}
.contact__details {
  display: flex;
  flex-direction: column;
  gap: 0.875rem;
}
.contact__detail {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  color: var(--text-muted);
  font-size: 0.925rem;
  font-weight: 500;
  transition: color var(--duration) var(--ease);
  width: fit-content;
}
.contact__detail svg { flex-shrink: 0; color: var(--accent); }
.contact__detail:hover { color: var(--navy); }
.contact__whatsapp {
  color: #25D366 !important;
  font-weight: 700;
}
.contact__whatsapp svg { fill: #25D366; color: #25D366; }

/* ─── FORM ─── */
.contact__form {
  background: var(--off-white);
  padding: 2.25rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
}
.form__group {
  margin-bottom: 1.125rem;
}
.form__row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
}
.form__row .form__group { margin-bottom: 1.125rem; }
label {
  display: block;
  font-size: 0.825rem;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 0.45rem;
  letter-spacing: 0.01em;
}
label span { color: var(--accent); }
input, textarea {
  width: 100%;
  padding: 0.8rem 1rem;
  border: 1.5px solid rgba(11, 31, 58, 0.12);
  border-radius: var(--radius);
  font: inherit;
  font-size: 0.925rem;
  color: var(--text);
  background: var(--white);
  transition: border-color var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  outline: none;
  -webkit-appearance: none;
  appearance: none;
}
input::placeholder, textarea::placeholder { color: rgba(100, 116, 139, 0.6); }
input:focus, textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 200, 150, 0.12);
}
textarea { resize: vertical; min-height: 110px; }
.form__note {
  text-align: center;
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-top: 0.875rem;
}

/* ─── FORM SUCCESS STATE ─── */
.form__success {
  text-align: center;
  padding: 2.5rem 1rem;
  color: var(--navy);
}
.form__success[hidden] { display: none; }
.form__success:not([hidden]) { display: block; }
.form__success svg { margin: 0 auto 1.25rem; }
.form__success p { color: var(--text-muted); margin-top: 0.5rem; font-size: 0.95rem; }
.form__success strong { color: var(--navy); display: block; font-size: 1.1rem; margin-bottom: 0.25rem; }

/* ─── FOOTER ─── */
.footer {
  background: var(--navy);
  color: rgba(255, 255, 255, 0.65);
  padding: 4rem 0 2rem;
}
.footer__grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}
.footer__logo-link {
  display: inline-block;
  margin-bottom: 1rem;
}
.footer__logo-img {
  height: 28px;
  width: auto;
  /* Same invert trick — logo is dark, footer is dark navy */
  filter: invert(1) brightness(1.1);
  opacity: 0.9;
  transition: opacity var(--duration) var(--ease);
}
.footer__logo-link:hover .footer__logo-img { opacity: 1; }
.footer__brand p {
  font-size: 0.875rem;
  max-width: 280px;
  line-height: 1.7;
}
.footer__links h4,
.footer__contact h4 {
  color: var(--white);
  font-size: 0.75rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  margin-bottom: 1.25rem;
}
.footer__links ul {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}
.footer__links a,
.footer__contact a {
  color: rgba(255, 255, 255, 0.58);
  font-size: 0.875rem;
  transition: color var(--duration) var(--ease);
}
.footer__links a:hover,
.footer__contact a:hover { color: var(--accent); }
.footer__contact p {
  font-size: 0.875rem;
  margin-bottom: 0.5rem;
}
.footer__bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.07);
  padding-top: 1.5rem;
  text-align: center;
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
}

/* ─── WHATSAPP FAB ─── */
.whatsapp-fab {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 58px;
  height: 58px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37, 211, 102, 0.42);
  z-index: 50;
  transition: transform var(--duration) var(--ease),
              box-shadow var(--duration) var(--ease);
  animation: fab-pulse 2.8s ease-in-out infinite;
}
.whatsapp-fab:hover,
.whatsapp-fab:focus-visible {
  transform: scale(1.1) translateY(-2px);
  box-shadow: 0 8px 32px rgba(37, 211, 102, 0.55);
  animation: none;
}
@keyframes fab-pulse {
  0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.42); }
  50%       { box-shadow: 0 4px 32px rgba(37, 211, 102, 0.65); }
}

/* ─── SCROLL REVEAL ─── */
.reveal {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.7s var(--ease),
              transform 0.7s var(--ease);
  will-change: opacity, transform;
}
.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

/* ══════════════════════════════
   RESPONSIVE
   ══════════════════════════════ */

/* ─ Tablet ─ */
@media (max-width: 1024px) {
  .hero__container {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 3rem;
    padding-bottom: 8rem;
  }
  .hero__subtitle { margin-left: auto; margin-right: auto; }
  .hero__ctas { justify-content: center; }
  .hero__stats { justify-content: center; }
  .hero__visual-inner { width: 340px; height: 340px; }

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

  .contact__wrapper { grid-template-columns: 1fr; gap: 2.5rem; }
  .contact__info .section__title,
  .contact__info .section__label,
  .contact__info > p { text-align: center; }
  .contact__details { align-items: center; }

  .footer__grid { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; }
}

/* ─ Mobile ─ */
@media (max-width: 768px) {
  .section { padding: 4rem 0; }
  .section__header { margin-bottom: 2.5rem; }

  /* ── Hamburger visible ── */
  .nav__hamburger { display: flex; }

  /* Logo reducido en mobile */
  .nav__logo-img { height: 34px; max-width: 120px; }

  /* ══ DRAWER — baja desde la barra nav ══
     Posición fija justo debajo del nav (top = altura nav).
     Ancho 100%, sin solaparse con logo ni hamburger.
     Se muestra/oculta con opacity + translateY para
     una animación limpia sin problemas de z-index. */
  .nav__links {
    position: fixed;
    top: 60px;          /* altura nav en estado sticky */
    left: 0;
    right: 0;
    bottom: auto;       /* altura dinámica según contenido */
    width: 100%;
    background: rgba(11, 31, 58, 0.99);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border-top: 1px solid rgba(255,255,255,0.08);
    flex-direction: column;
    align-items: stretch;
    justify-content: flex-start;
    gap: 0;
    padding: 0.25rem 0 1.25rem;
    /* Estado cerrado */
    opacity: 0;
    visibility: hidden;
    transform: translateY(-8px);
    transition: opacity 0.25s var(--ease),
                transform 0.25s var(--ease),
                visibility 0.25s var(--ease);
    z-index: 99;   /* bajo la nav bar (100) y el hamburger (102) */
    box-shadow: 0 12px 40px rgba(0,0,0,0.5);
  }
  .nav__links.open {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
  }

  /* Items del drawer */
  .nav__links li { width: 100%; }
  .nav__links a {
    display: block;
    padding: 0.9rem 1.5rem;
    font-size: 1rem;
    font-weight: 500;
    color: rgba(255,255,255,0.78);
    border-bottom: 1px solid rgba(255,255,255,0.05);
    line-height: 1.4;
    transition: background var(--duration) var(--ease), color var(--duration) var(--ease);
  }
  .nav__links a::after { display: none; }
  .nav__links a:hover,
  .nav__links a.active {
    background: rgba(255,255,255,0.05);
    color: var(--white);
  }

  /* Botón Cotizar — último item, sin herencia de lista */
  .nav__links li:last-child {
    padding: 1rem 1.5rem 0;
    border-bottom: none;
  }
  .nav__links li:last-child > a.nav__cta {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    padding: 0.875rem 1.5rem;
    background: var(--accent);
    color: var(--navy);
    border-radius: var(--radius);
    font-weight: 700;
    font-size: 0.975rem;
    line-height: 1;
    border-bottom: none;
  }
  .nav__links li:last-child > a.nav__cta:hover {
    background: var(--accent-dk);
    color: var(--navy);
  }

  /* Grid adjustments */
  .services__grid { grid-template-columns: 1fr; }
  .form__row { grid-template-columns: 1fr; }
  .footer__grid { grid-template-columns: 1fr; gap: 2rem; }

  .hero__visual { display: none; }
  .hero__stats { gap: 1.5rem; flex-wrap: wrap; justify-content: space-around; }
  .why-item { flex-direction: column; gap: 1rem; }
  .why-item__number { font-size: 2rem; min-width: auto; }
}

/* ─ Small mobile ─ */
@media (max-width: 480px) {
  .hero__ctas {
    flex-direction: column;
    width: 100%;
  }
  .btn--outline {
    border-color: rgba(255, 255, 255, 0.3);
    width: auto;
    align-self: center;
  }
  .hero__stats { gap: 1.25rem; }
  .contact__form { padding: 1.5rem; }
}

/* ─ Reduced motion ─ */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
  .reveal {
    opacity: 1;
    transform: none;
  }
  html { scroll-behavior: auto; }
}