*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
.skip-link { position: absolute; top: -100px; left: 16px; background: var(--navy); color: #fff; padding: 8px 16px; border-radius: 4px; font-size: 0.9rem; z-index: 9999; transition: top 0.2s; }
.skip-link:focus { top: 16px; }
:root {
  --teal:       #2D7A7A;
  --teal-mid:   #4A9A9A;
  --teal-light: #E8F4F4;
  --navy:       #1B2A4A;
  --gray-text:  #333333;
  --bg-neutral: #EEEEEE;
  --white:      #FFFFFF;
  --font-title: 'Raleway', sans-serif;
  --font-body:  'Lato', sans-serif;
}
html { scroll-behavior: smooth; overflow-x: hidden; }
body { font-family: var(--font-body); color: var(--gray-text); background: var(--white); overflow-x: hidden; max-width: 100vw; }

/* NAV */
nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 24px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid rgba(45,122,122,0.12);
  transition: padding 0.3s;
}
nav.scrolled { padding: 14px 24px; }
.nav-logo { display: flex; align-items: center; gap: 12px; text-decoration: none; }
.nav-logo img { width: 44px; height: 44px; object-fit: contain; }
.nav-logo-text { font-family: var(--font-title); font-weight: 700; font-size: 1.1rem; color: var(--teal); letter-spacing: -0.02em; line-height: 1.1; }
.nav-links { display: none; gap: 36px; list-style: none; }
.nav-links a { font-family: var(--font-body); font-size: 0.88rem; color: var(--gray-text); text-decoration: none; letter-spacing: 0.03em; transition: color 0.2s; }
.nav-links a:hover { color: var(--teal); }
.nav-cta { font-family: var(--font-title); font-weight: 600; font-size: 0.85rem; color: var(--white); background: var(--teal); padding: 10px 24px; border-radius: 4px; text-decoration: none; letter-spacing: 0.03em; transition: background 0.2s, transform 0.15s; }
.nav-cta:hover { background: var(--teal-mid); transform: translateY(-1px); }

/* HERO */
.hero { min-height: 100vh; display: flex; align-items: center; flex-direction: column; gap: 40px; padding: 100px 24px 60px; position: relative; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; z-index: 0; background: var(--white); }
.hero-bg::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(circle at 70% 50%, rgba(45,122,122,0.06) 0%, transparent 60%), radial-gradient(circle at 20% 80%, rgba(27,42,74,0.04) 0%, transparent 40%); }
.hero-content { position: relative; z-index: 2; flex: 1; max-width: 100%; }
.hero-visual { display: flex; align-items: center; justify-content: center; flex: 1.2; opacity: 0; animation: fadeIn 1.2s 0.8s forwards; }
.hero-canvas-wrap { position: relative; width: 100%; max-width: 560px; background: transparent; }
.hero-canvas-wrap canvas { display: block; width: 100%; }
.hero-canvas-tip { position: absolute; pointer-events: none; background: #1B2A4A; color: #fff; font-family: Lato, sans-serif; font-size: 12px; padding: 6px 12px; border-radius: 6px; opacity: 0; transition: opacity 0.2s; white-space: nowrap; letter-spacing: 0.08em; }
.hero-title { font-family: var(--font-title); font-weight: 800; font-size: clamp(2.4rem, 5vw, 3.8rem); line-height: 1.08; color: var(--navy); letter-spacing: -0.03em; margin-bottom: 28px; opacity: 0; animation: fadeUp 0.7s 0.2s forwards; }
.hero-title em { font-style: normal; color: var(--teal); }
.hero-desc { font-size: 1.05rem; line-height: 1.75; color: #555; max-width: 520px; margin-bottom: 44px; opacity: 0; animation: fadeUp 0.7s 0.35s forwards; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; opacity: 0; animation: fadeUp 0.7s 0.5s forwards; }
.hero-tagline { position: absolute; bottom: 24px; left: 24px; right: 24px; opacity: 0; animation: fadeUp 0.7s 0.9s forwards; }
.hero-tagline span { font-family: var(--font-body); font-size: 0.82rem; letter-spacing: 0.1em; color: rgba(45,122,122,0.7); }

.btn-primary { font-family: var(--font-title); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; color: var(--white); background: var(--teal); padding: 14px 32px; border-radius: 4px; text-decoration: none; transition: background 0.2s, transform 0.15s, box-shadow 0.2s; }
.btn-primary:hover { background: var(--navy); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(45,122,122,0.25); }
.btn-secondary { font-family: var(--font-title); font-weight: 600; font-size: 0.9rem; letter-spacing: 0.04em; color: var(--teal); background: transparent; padding: 14px 32px; border-radius: 4px; border: 1.5px solid var(--teal); text-decoration: none; transition: background 0.2s; }
.btn-secondary:hover { background: var(--teal-light); }

/* Quote separators */
.section-quote { padding: 28px 20px; text-align: center; display: flex; align-items: center; justify-content: center; gap: 24px; }
.section-quote::before, .section-quote::after { content: ''; flex: 1; max-width: 120px; height: 1px; }
.section-quote span { font-family: var(--font-title); font-weight: 300; font-size: clamp(0.9rem, 1.8vw, 1.1rem); letter-spacing: 0.01em; font-style: italic; white-space: normal; }

.section-quote--1 { background: var(--navy); }
.section-quote--1::before, .section-quote--1::after { background: rgba(255,255,255,0.25); }
.section-quote--1 span { color: rgba(255,255,255,0.88); }

.section-quote--2 { background: var(--teal); }
.section-quote--2::before, .section-quote--2::after { background: rgba(255,255,255,0.3); }
.section-quote--2 span { color: rgba(255,255,255,0.95); }

.section-quote--3 { background: #1B2A4A; background: linear-gradient(135deg, #1B2A4A 0%, #2D5A5A 100%); }
.section-quote--3::before, .section-quote--3::after { background: rgba(255,255,255,0.2); }
.section-quote--3 span { color: rgba(255,255,255,0.88); }

.section-quote--4 { background: var(--teal-mid); }
.section-quote--4::before, .section-quote--4::after { background: rgba(255,255,255,0.3); }
.section-quote--4 span { color: #fff; }

/* PROPÓSITO */
.section-proposito { background: var(--navy); padding: 72px 24px; position: relative; overflow: hidden; }
.section-proposito::before { content: ''; position: absolute; right: -100px; top: -100px; width: 500px; height: 500px; border-radius: 50%; background: rgba(45,122,122,0.08); }
.proposito-inner { max-width: 760px; margin: 0 auto; position: relative; z-index: 1; text-align: center; }
.proposito-inner .section-label { display: block; text-align: center; margin-bottom: 28px; }
.section-label { font-family: var(--font-body); font-size: 0.72rem; letter-spacing: 0.22em; text-transform: uppercase; color: var(--teal-mid); margin-bottom: 20px; }
.proposito-quote { font-family: var(--font-title); font-weight: 300; font-size: clamp(1.1rem, 2vw, 1.5rem); line-height: 1.65; color: var(--white); letter-spacing: -0.01em; margin-bottom: 0; }
.proposito-quote::before { content: '\201C'; display: block; font-size: 4rem; line-height: 0.6; color: var(--teal-mid); opacity: 0.5; margin-bottom: 24px; font-family: Georgia, serif; }
.proposito-body { font-size: 1rem; line-height: 1.8; color: rgba(255,255,255,0.65); max-width: 640px; }
.proposito-quote strong { font-weight: 700; color: var(--teal-mid); }

/* QUIÉNES SOMOS */
.section-quienes { padding: 72px 24px; background: var(--white); position: relative; overflow: hidden; }
.quienes-inner { position: relative; z-index: 1; max-width: 780px; margin: 0 auto; }
.quienes-brand { display: flex; align-items: center; gap: 14px; margin-bottom: 28px; line-height: 1; }
.quienes-brand-logo { width: 40px; height: 40px; object-fit: contain; flex-shrink: 0; margin-bottom: 2px; }
.quienes-title { font-family: var(--font-title); font-weight: 800; font-size: clamp(1.6rem, 3vw, 2.2rem); color: var(--navy); letter-spacing: -0.03em; margin-bottom: 0; line-height: 1; }
.quienes-body { font-size: 1rem; line-height: 1.8; color: #555; margin-bottom: 18px; }
.quienes-body--accent { font-style: italic; color: var(--navy); opacity: 0.8; font-size: 1.02rem; }

.sandra-strip { display: flex; align-items: flex-start; gap: 20px; margin-top: 48px; padding-top: 36px; border-top: 1.5px solid #eee; flex-direction: column; }
.sandra-strip-photo { width: 72px; height: 72px; border-radius: 50%; object-fit: cover; object-position: top; flex-shrink: 0; border: 2px solid var(--teal-light); }
.sandra-strip-bio { flex: 1; }
.sandra-strip-header { display: flex; align-items: center; gap: 10px; margin-bottom: 8px; }
.sandra-strip-name { font-family: var(--font-title); font-weight: 700; font-size: 0.95rem; color: var(--navy); letter-spacing: -0.01em; }
.sandra-strip-text { font-size: 0.88rem; line-height: 1.75; color: #666; margin-bottom: 10px; }
.sandra-strip-text:last-of-type { margin-bottom: 0; }
.sandra-ver-mas { font-family: var(--font-title); font-weight: 600; font-size: 0.8rem; color: var(--teal); background: none; border: none; cursor: pointer; padding: 0; margin-top: 6px; letter-spacing: 0.03em; text-decoration: underline; text-underline-offset: 3px; transition: color 0.2s; }
.sandra-ver-mas:hover { color: var(--navy); }
.sandra-linkedin { display: inline-flex; align-items: center; text-decoration: none; transition: transform 0.2s; transform-origin: center; }
.sandra-linkedin:hover { transform: scale(1.15); }

/* Modal Sandra */
.sandra-modal-overlay { position: fixed; inset: 0; background: rgba(0,0,0,0.55); z-index: 200; display: flex; align-items: center; justify-content: center; padding: 24px; opacity: 0; pointer-events: none; transition: opacity 0.25s; }
.sandra-modal-overlay.open { opacity: 1; pointer-events: all; }
.sandra-modal { background: var(--white); border-radius: 8px; max-width: 560px; width: 100%; padding: 40px; position: relative; max-height: 90vh; overflow-y: auto; transform: translateY(16px); transition: transform 0.25s; }
.sandra-modal-overlay.open .sandra-modal { transform: translateY(0); }
.sandra-modal-close { position: absolute; top: 16px; right: 16px; background: none; border: none; font-size: 1.1rem; cursor: pointer; color: #aaa; transition: color 0.2s; }
.sandra-modal-close:hover { color: var(--navy); }
.sandra-modal-header { display: flex; align-items: center; gap: 16px; margin-bottom: 28px; }
.sandra-modal-photo { width: 64px; height: 64px; border-radius: 50%; object-fit: cover; object-position: top; border: 2px solid var(--teal-light); }
.sandra-modal-name { font-family: var(--font-title); font-weight: 700; font-size: 1.1rem; color: var(--navy); margin-bottom: 8px; }
.sandra-modal-body p { font-size: 0.95rem; line-height: 1.8; color: #555; margin-bottom: 14px; }
.sandra-modal-body p:last-child { margin-bottom: 0; }

/* SERVICIOS flip cards */
.section-servicios { padding: 72px 24px; background: var(--bg-neutral); }
.section-header { margin-bottom: 56px; }
.section-title { font-family: var(--font-title); font-weight: 800; font-size: clamp(1.8rem, 3.5vw, 2.6rem); color: var(--navy); letter-spacing: -0.03em; margin-bottom: 12px; }
.section-sub { font-size: 1rem; color: #777; line-height: 1.6; max-width: 560px; }
.flip-hint { font-size: 0.78rem; color: var(--teal); letter-spacing: 0.05em; margin-top: 10px; }

.servicios-flip-grid { display: grid; grid-template-columns: 1fr; gap: 12px; grid-auto-rows: 1fr; align-items: stretch; }
.servicios-flip-grid .flip-card:nth-child(5) { grid-column: 1; max-width: 100%; }
.flip-card { perspective: 1000px; cursor: pointer; height: 100%; }
.flip-card-inner { display: grid; width: 100%; height: 100%; transition: transform 0.55s cubic-bezier(0.4,0.2,0.2,1); transform-style: preserve-3d; }
.flip-card.flipped .flip-card-inner { transform: rotateY(180deg); }
@media (hover: hover) {
  .flip-card:hover .flip-card-inner { transform: rotateY(180deg); }
}
.flip-card-front, .flip-card-back { grid-area: 1/1; backface-visibility: hidden; -webkit-backface-visibility: hidden; border-radius: 4px; padding: 24px 20px; display: flex; flex-direction: column; justify-content: flex-start; }
.flip-card-front { background: var(--white); border: 1.5px solid #eee; }
.flip-card-back { background: var(--navy); transform: rotateY(180deg); justify-content: flex-start; }
.micro-card .flip-card-front { padding: 22px 20px; gap: 6px; }
.micro-card .flip-card-back { padding: 22px 20px; }
.micro-card .flip-hook { flex: 0; margin-bottom: 0; }
.flip-num { font-family: var(--font-title); font-weight: 800; font-size: 1.4rem; color: rgba(45,122,122,0.2); line-height: 1; margin-bottom: 12px; letter-spacing: -0.04em; }
.flip-titulo { font-family: var(--font-title); font-weight: 700; font-size: 1.05rem; color: var(--navy); letter-spacing: -0.02em; margin-bottom: 10px; }
.flip-hook { font-size: 0.88rem; line-height: 1.55; color: #555; margin-bottom: 14px; flex: 1; }
.flip-tags { font-size: 0.75rem; color: var(--teal); letter-spacing: 0.04em; border-top: 1px solid #eee; padding-top: 12px; margin-top: 4px; }
.flip-back-titulo { font-family: var(--font-title); font-weight: 700; font-size: 0.95rem; color: var(--teal-mid); letter-spacing: -0.01em; margin-bottom: 12px; }
.flip-back-desc { font-size: 0.82rem; line-height: 1.55; color: rgba(255,255,255,0.8); margin-bottom: 12px; }
.flip-entrega { font-size: 0.75rem; color: rgba(255,255,255,0.5); line-height: 1.4; border-top: 1px solid rgba(255,255,255,0.12); padding-top: 10px; margin-top: auto; }
.flip-entrega strong { color: rgba(255,255,255,0.7); }

/* MICROSERVICIOS */
.section-microservicios { padding: 72px 24px; background: var(--bg-neutral); }
.micro-carousel-wrap { position: relative; }
.micro-arrow { position: absolute; top: 50%; transform: translateY(-50%); z-index: 3; width: 36px; height: 36px; border-radius: 50%; border: 1.5px solid var(--teal); background: var(--white); color: var(--teal); cursor: pointer; display: flex; align-items: center; justify-content: center; transition: background 0.2s, color 0.2s, box-shadow 0.2s; box-shadow: 0 2px 8px rgba(0,0,0,0.08); }
.micro-arrow:hover { background: var(--teal); color: var(--white); }
.micro-arrow--prev { left: -18px; }
.micro-arrow--next { right: -18px; }
.micro-track { display: flex; gap: 16px; overflow-x: auto; scroll-snap-type: x mandatory; -webkit-overflow-scrolling: touch; scrollbar-width: none; align-items: flex-start; }
.micro-track::-webkit-scrollbar { display: none; }
.micro-card { flex: 0 0 260px; height: 180px; scroll-snap-align: start; transition: height 0.4s ease; }
.micro-card .flip-card-inner { height: 100%; }
.micro-card .flip-card-front { overflow: hidden; }
.micro-card .flip-card-back { overflow: hidden; }
.micro-card-header { display: flex; align-items: center; justify-content: space-between; }
.micro-label { font-family: var(--font-body); font-size: 0.68rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--teal); font-weight: 700; }
.micro-days { font-size: 0.72rem; background: var(--teal-light); color: var(--teal); padding: 2px 8px; border-radius: 20px; align-self: flex-start; margin-top: auto; }
.micro-titulo { font-family: var(--font-title); font-weight: 700; font-size: 1rem; color: var(--navy); letter-spacing: -0.02em; line-height: 1.3; }
.micro-hook { font-size: 0.85rem; color: #555; line-height: 1.5; font-style: italic; }
.micro-desc { font-size: 0.83rem; line-height: 1.65; color: #777; flex: 1; }
.micro-entrega { font-size: 0.75rem; color: var(--teal); letter-spacing: 0.02em; border-top: 1px solid #eee; padding-top: 10px; }
.micro-controls { display: flex; align-items: center; gap: 16px; justify-content: center; margin-top: 24px; }
.micro-btn { width: 40px; height: 40px; border-radius: 50%; border: 1.5px solid var(--teal); background: transparent; color: var(--teal); font-size: 1.1rem; cursor: pointer; transition: background 0.2s, color 0.2s; display: flex; align-items: center; justify-content: center; }
.micro-btn:hover { background: var(--teal); color: var(--white); }
.micro-hint { font-size: 0.75rem; color: #aaa; letter-spacing: 0.08em; }

/* POR QUÉ */
.section-porque { padding: 72px 24px; background: var(--teal-light); }
.section-porque .section-header { margin-bottom: 56px; }
.section-porque .section-label { color: var(--teal); }
.porque-items { max-width: 860px; display: flex; flex-direction: column; gap: 0; }
.porque-item { display: flex; gap: 32px; padding: 36px 0; border-bottom: 1px solid rgba(45,122,122,0.15); align-items: flex-start; }
.porque-item:last-child { border-bottom: none; }
.porque-num { font-family: var(--font-title); font-weight: 800; font-size: 2rem; color: rgba(45,122,122,0.2); line-height: 1; flex-shrink: 0; width: 48px; padding-top: 4px; }
.porque-titulo { font-family: var(--font-title); font-weight: 700; font-size: 1.05rem; color: var(--navy); letter-spacing: -0.02em; margin-bottom: 10px; }
.porque-desc { font-size: 0.95rem; line-height: 1.75; color: #555; }

/* VALORES */
.section-valores { padding: 72px 24px; background: var(--white); }
.valores-grid { display: grid; grid-template-columns: 1fr; gap: 2px; background: var(--bg-neutral); margin-top: 0; }
.valor-card { background: var(--white); padding: 44px 36px; }
.valor-titulo { font-family: var(--font-title); font-weight: 700; font-size: 1.15rem; color: var(--teal); letter-spacing: -0.02em; margin-bottom: 16px; }
.valor-desc { font-size: 0.92rem; line-height: 1.75; color: #666; }

/* FRASE FINAL */
.section-frase-final { background: var(--bg-neutral); padding: 0 24px 80px; }
.frase-final-inner { max-width: 700px; margin: 0 auto; border-top: 2px solid var(--teal-mid); padding-top: 48px; position: relative; }
.frase-quote-mark { display: block; font-family: Georgia, serif; font-size: 5rem; line-height: 0.6; color: var(--teal-mid); opacity: 0.35; margin-bottom: 20px; user-select: none; }
.frase-final-inner p { font-family: var(--font-title); font-weight: 400; font-size: clamp(1rem, 1.9vw, 1.15rem); line-height: 1.85; color: #444; font-style: italic; }
.frase-firma { display: block; margin-top: 24px; font-family: var(--font-body); font-size: 0.82rem; letter-spacing: 0.08em; color: var(--teal); font-style: normal; font-weight: 600; }

/* CONTACTO */
.section-contacto { background: var(--navy); padding: 72px 24px; text-align: center; position: relative; overflow: hidden; }
.section-contacto::after { content: ''; position: absolute; left: 50%; top: 50%; transform: translate(-50%,-50%); width: 600px; height: 600px; border-radius: 50%; border: 1px solid rgba(45,122,122,0.15); pointer-events: none; }
.contacto-title { font-family: var(--font-title); font-weight: 800; font-size: clamp(1.8rem, 4vw, 3rem); color: var(--white); letter-spacing: -0.03em; margin-bottom: 20px; position: relative; z-index: 1; }
.contacto-title em { font-style: normal; color: var(--teal-mid); }
.contacto-sub { font-size: 1rem; color: rgba(255,255,255,0.55); line-height: 1.7; max-width: 560px; margin: 0 auto 44px; position: relative; z-index: 1; }
.contacto-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; margin-bottom: 8px; }

.contacto-form-wrap { max-width: 580px; margin: 0 auto; overflow: hidden; max-height: 0; opacity: 0; transform: translateY(-12px); transition: max-height 0.5s ease, opacity 0.4s ease, transform 0.4s ease; position: relative; z-index: 1; }
.contacto-form-wrap.open { max-height: 820px; opacity: 1; transform: translateY(0); }
.contacto-form { display: flex; flex-direction: column; gap: 14px; padding-top: 32px; }
.form-row { display: grid; grid-template-columns: 1fr; gap: 14px; }
.form-input { width: 100%; font-family: var(--font-body); font-size: 0.95rem; color: var(--white); background: rgba(255,255,255,0.07); border: 1px solid rgba(255,255,255,0.15); border-radius: 4px; padding: 14px 18px; outline: none; transition: border-color 0.2s, background 0.2s; }
.form-input::placeholder { color: rgba(255,255,255,0.35); }
.form-input:focus { border-color: var(--teal-mid); background: rgba(255,255,255,0.1); }
.form-textarea { resize: vertical; min-height: 120px; }
.form-phone-row { display: flex; gap: 10px; border: none; padding: 0; margin: 0; }
.form-select { flex: 0 0 auto; width: 130px; appearance: none; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='rgba(255,255,255,0.4)' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 12px center; cursor: pointer; }
.form-select option { background: #1B2A4A; color: #fff; }
.form-phone { flex: 1; }
.form-footer { display: flex; gap: 12px; justify-content: flex-end; }
.form-privacy { font-size: 0.75rem; color: rgba(255,255,255,0.4); text-align: right; margin-top: 10px; }
.form-privacy a { color: rgba(255,255,255,0.6); text-decoration: underline; }
.form-privacy a:hover { color: var(--white); }
.btn-submit { font-family: var(--font-title); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; color: var(--navy); background: var(--white); padding: 12px 28px; border-radius: 4px; border: none; cursor: pointer; transition: background 0.2s, transform 0.15s; }
.btn-submit:hover { background: var(--teal-light); transform: translateY(-2px); }
.btn-cancel { font-family: var(--font-title); font-weight: 600; font-size: 0.9rem; color: rgba(255,255,255,0.5); background: transparent; border: none; cursor: pointer; padding: 12px 16px; transition: color 0.2s; }
.btn-cancel:hover { color: rgba(255,255,255,0.85); }
.form-success { display: flex; flex-direction: column; align-items: center; gap: 12px; padding: 40px 0 16px; text-align: center; }
.form-success-title { font-family: var(--font-title); font-weight: 700; font-size: 1.4rem; color: var(--white); letter-spacing: -0.02em; }
.form-success-sub { font-family: var(--font-body); font-size: 0.95rem; color: rgba(255,255,255,0.5); }
.btn-light { font-family: var(--font-title); font-weight: 700; font-size: 0.9rem; letter-spacing: 0.04em; color: var(--navy); background: var(--white); padding: 14px 32px; border-radius: 4px; border: none; cursor: pointer; transition: background 0.2s, transform 0.15s; }
.btn-light:hover, a.btn-light:hover { background: var(--teal-light); transform: translateY(-2px); }

footer { background: #111820; padding: 32px 24px; display: flex; flex-direction: column; gap: 0; }
.footer-main { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 20px; padding-bottom: 20px; border-bottom: 1px solid rgba(255,255,255,0.06); }
.footer-credit { font-size: 0.72rem; color: rgba(255,255,255,0.18); text-align: right; padding-top: 14px; }
.footer-logo { display: flex; align-items: center; gap: 10px; }
.footer-logo img { width: 36px; height: 36px; object-fit: contain; filter: brightness(0) invert(1); opacity: 0.7; }
.footer-brand { font-family: var(--font-title); font-weight: 700; font-size: 0.95rem; color: var(--teal-mid); }
.footer-tagline { font-family: var(--font-body); font-size: 0.75rem; letter-spacing: 0.15em; text-transform: uppercase; color: rgba(255,255,255,0.25); }
.footer-copy { font-size: 0.78rem; color: rgba(255,255,255,0.2); }

/* Accesibilidad */
.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }
:focus-visible { outline: 2px solid var(--teal); outline-offset: 3px; }
a:focus-visible, button:focus-visible, select:focus-visible, input:focus-visible, textarea:focus-visible { outline: 2px solid var(--teal-mid); outline-offset: 2px; border-radius: 3px; }

@keyframes fadeUp { from { opacity: 0; transform: translateY(20px); } to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* Scroll reveal */
.reveal { opacity: 0; transform: translateY(32px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal.visible { opacity: 1; transform: translateY(0); }
.reveal-left { opacity: 0; transform: translateX(-32px); transition: opacity 0.65s ease, transform 0.65s ease; }
.reveal-left.visible { opacity: 1; transform: translateX(0); }
.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ── Tablet: 521px+ ── */
@media (min-width: 521px) {
  .servicios-flip-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .servicios-flip-grid .flip-card:nth-child(5) { grid-column: 1 / -1; max-width: 340px; margin: 0 auto; width: 100%; }
  .flip-card-front, .flip-card-back { padding: 32px 28px; }
  .section-quote { padding: 36px 24px; }
  .section-quote span { white-space: nowrap; }
}

/* ── Desktop: 901px+ ── */
@media (min-width: 901px) {
  nav { padding: 20px 60px; }
  nav.scrolled { padding: 14px 60px; }
  .nav-links { display: flex; }
  .hero { padding: 120px 80px 80px; flex-direction: row; }
  .hero-visual { display: flex; }
  .hero-content { max-width: 600px; }
  .hero-tagline { left: 80px; right: 80px; bottom: 40px; }
  .section-proposito { padding: 64px 60px; }
  .section-quienes { padding: 100px 60px; }
  .section-servicios { padding: 100px 60px 40px; }
  .section-microservicios { padding: 16px 60px 100px; }
  .section-porque { padding: 100px 60px; }
  .section-valores { padding: 100px 60px; }
  .section-frase-final { padding: 0 60px 80px; }
  .section-contacto { padding: 100px 60px; }
  .section-quote { padding: 40px 60px; }
  .sandra-strip { flex-direction: row; }
  .servicios-flip-grid { grid-template-columns: repeat(3, 1fr); }
  .servicios-flip-grid .flip-card:nth-child(5) { grid-column: 2 / 3; max-width: none; margin: 0; width: auto; }
  .valores-grid { grid-template-columns: repeat(3, 1fr); }
  .micro-card { flex: 0 0 380px; }
  .form-row { grid-template-columns: 1fr 1fr; }
  footer { padding: 40px 60px 24px; }
}