/* ==========================================================================
   Consultora SGI — Design System
   ========================================================================== */

:root {
  --color-deep-green: #0d2b1f;
  --color-deep-green-2: #123c2b;
  --color-emerald: #1f9d6a;
  --color-emerald-light: #35c98a;
  --color-gold: #c9a24b;
  --color-warm-white: #fbfaf7;
  --color-white: #ffffff;
  --color-charcoal: #23282a;
  --color-charcoal-soft: #4a5457;
  --color-neutral-100: #f4f5f3;
  --color-neutral-200: #e8eae6;
  --color-neutral-300: #d7dbd5;

  --font-display: 'Fraunces', Georgia, 'Times New Roman', serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

  --radius-sm: 10px;
  --radius-md: 16px;
  --radius-lg: 24px;

  --shadow-sm: 0 2px 12px rgba(13, 43, 31, 0.06);
  --shadow-md: 0 12px 32px rgba(13, 43, 31, 0.10);
  --shadow-lg: 0 24px 60px rgba(13, 43, 31, 0.14);

  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --container: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-charcoal);
  background: var(--color-warm-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }

h1, h2, h3, h4 {
  font-family: var(--font-display);
  color: var(--color-deep-green);
  line-height: 1.15;
  margin: 0 0 0.5em;
  font-weight: 600;
}

p { margin: 0 0 1em; color: var(--color-charcoal-soft); }

a { color: var(--color-emerald); text-decoration: none; }

.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 24px;
}

.section {
  padding: 100px 0;
}

.section--tight { padding: 72px 0; }

.section--alt {
  background: var(--color-neutral-100);
}

.section--dark {
  background: linear-gradient(155deg, var(--color-deep-green) 0%, var(--color-deep-green-2) 55%, #0a2219 100%);
  color: var(--color-white);
}

.section--dark h2, .section--dark h3, .section--dark p { color: var(--color-white); }
.section--dark p { color: rgba(255,255,255,0.78); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-emerald);
  margin-bottom: 14px;
}

.eyebrow::before {
  content: '';
  width: 22px;
  height: 2px;
  background: var(--color-gold);
  display: inline-block;
}

.section--dark .eyebrow { color: var(--color-emerald-light); }

.section-head {
  max-width: 680px;
  margin: 0 auto 56px;
  text-align: center;
}

.section-head h2 { font-size: clamp(1.8rem, 3.2vw, 2.5rem); }
.section-head p { font-size: 1.08rem; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 15px 30px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.96rem;
  border: 1px solid transparent;
  cursor: pointer;
  transition: transform 0.25s var(--ease), box-shadow 0.25s var(--ease), background 0.25s var(--ease), color 0.25s var(--ease);
  white-space: nowrap;
}

.btn:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-emerald) 0%, var(--color-emerald-light) 100%);
  color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--ghost {
  background: transparent;
  color: var(--color-deep-green);
  border-color: var(--color-neutral-300);
}

.btn--ghost:hover {
  border-color: var(--color-emerald);
  color: var(--color-emerald);
  transform: translateY(-2px);
}

.section--dark .btn--ghost {
  color: var(--color-white);
  border-color: rgba(255,255,255,0.3);
}

.section--dark .btn--ghost:hover {
  border-color: var(--color-white);
  color: var(--color-white);
  background: rgba(255,255,255,0.06);
}

.btn--white {
  background: var(--color-white);
  color: var(--color-deep-green);
  box-shadow: var(--shadow-sm);
}

.btn--white:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn--outline-white {
  background: transparent;
  color: var(--color-white);
  border-color: rgba(255,255,255,0.45);
}

.btn--outline-white:hover {
  background: rgba(255,255,255,0.08);
  border-color: var(--color-white);
  transform: translateY(-2px);
}

/* ==========================================================================
   Navbar
   ========================================================================== */

.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(251, 250, 247, 0.85);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-neutral-200);
  transition: box-shadow 0.3s var(--ease);
}

.navbar.is-scrolled { box-shadow: var(--shadow-sm); }

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 78px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--color-deep-green);
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--color-emerald) 0%, var(--color-deep-green) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  font-weight: 700;
  font-size: 0.95rem;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 34px;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-links a {
  color: var(--color-charcoal);
  font-weight: 500;
  font-size: 0.95rem;
  position: relative;
  padding: 6px 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0; right: 0; bottom: 0;
  height: 2px;
  background: var(--color-emerald);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.25s var(--ease);
}

.nav-links a:hover::after { transform: scaleX(1); }

.nav-actions { display: flex; align-items: center; gap: 18px; }

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  border: none;
  background: transparent;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--color-deep-green);
  margin: 0 auto;
  transition: transform 0.25s var(--ease), opacity 0.25s var(--ease);
}

.nav-toggle.is-active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav-toggle.is-active span:nth-child(2) { opacity: 0; }
.nav-toggle.is-active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ==========================================================================
   Hero
   ========================================================================== */

.hero {
  position: relative;
  overflow: hidden;
  background: linear-gradient(160deg, var(--color-deep-green) 0%, var(--color-deep-green-2) 45%, #0a2219 100%);
  color: var(--color-white);
  padding: 130px 0 110px;
}

.hero-bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: 0.55;
}

.hero-bg svg { width: 100%; height: 100%; }

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 60px;
  align-items: center;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--color-emerald-light);
  margin-bottom: 22px;
}

.hero h1 {
  color: var(--color-white);
  font-size: clamp(2.2rem, 4.4vw, 3.6rem);
  margin-bottom: 24px;
  letter-spacing: -0.01em;
}

.hero-sub {
  color: rgba(255,255,255,0.82);
  font-size: 1.15rem;
  max-width: 540px;
  margin-bottom: 30px;
}

.hero-tagline {
  font-size: 0.95rem;
  color: rgba(255,255,255,0.6);
  font-style: italic;
  margin-bottom: 34px;
  border-left: 2px solid var(--color-gold);
  padding-left: 14px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  aspect-ratio: 1 / 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-visual svg { width: 100%; height: 100%; }

/* ==========================================================================
   Reveal animations
   ========================================================================== */

.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s var(--ease), transform 0.7s var(--ease);
}

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

.reveal-stagger > * { transition-delay: calc(var(--i, 0) * 90ms); }

/* ==========================================================================
   Pillars (Nosotros)
   ========================================================================== */

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); }

.pillars {
  display: grid;
  gap: 20px;
}

.pillar-card {
  display: flex;
  gap: 18px;
  padding: 26px;
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.pillar-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.pillar-icon {
  flex-shrink: 0;
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(31,157,106,0.12), rgba(31,157,106,0.04));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald);
}

.pillar-card h3 { font-size: 1.1rem; margin-bottom: 6px; }
.pillar-card p { margin: 0; font-size: 0.95rem; }

/* ==========================================================================
   Services
   ========================================================================== */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 26px;
}

.service-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 34px 28px;
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--color-emerald), var(--color-gold));
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.35s var(--ease);
}

.service-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.service-card:hover::before { transform: scaleX(1); }

.service-icon {
  width: 54px;
  height: 54px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--color-deep-green), var(--color-emerald));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-white);
  margin-bottom: 20px;
}

.service-card h3 { font-size: 1.18rem; margin-bottom: 10px; }
.service-card p { font-size: 0.95rem; margin: 0; }

/* ==========================================================================
   Sustainability
   ========================================================================== */

.sustain-highlight {
  text-align: center;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: var(--color-white);
  letter-spacing: 0.02em;
  margin: 50px 0 0;
}

.sustain-highlight span {
  color: var(--color-emerald-light);
}

.sustain-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
}

.sustain-card {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: var(--radius-md);
  padding: 30px 24px;
  backdrop-filter: blur(6px);
  transition: transform 0.3s var(--ease), background 0.3s var(--ease), border-color 0.3s var(--ease);
}

.sustain-card:hover {
  transform: translateY(-6px);
  background: rgba(255,255,255,0.08);
  border-color: rgba(255,255,255,0.25);
}

.sustain-icon {
  width: 46px;
  height: 46px;
  border-radius: 12px;
  background: rgba(31,157,106,0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald-light);
  margin-bottom: 18px;
}

.sustain-card h3 { color: var(--color-white); font-size: 1.05rem; margin-bottom: 8px; }
.sustain-card p { font-size: 0.92rem; margin: 0; }

/* ==========================================================================
   Benefits
   ========================================================================== */

.benefits-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.benefit-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 12px;
  padding: 26px 16px;
  border-radius: var(--radius-md);
  background: var(--color-white);
  border: 1px solid var(--color-neutral-200);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.benefit-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}

.benefit-icon {
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, rgba(31,157,106,0.14), rgba(201,162,75,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald);
}

.benefit-item span { font-size: 0.9rem; font-weight: 600; color: var(--color-charcoal); }

/* ==========================================================================
   Ruta hacia una gestión sostenible
   ========================================================================== */

.route-wrap {
  position: relative;
  margin-top: 30px;
}

.route-line {
  position: absolute;
  top: 44px;
  left: 6%;
  right: 6%;
  height: 3px;
  background: var(--color-neutral-300);
  border-radius: 3px;
  overflow: hidden;
}

.route-line-fill {
  position: absolute;
  inset: 0;
  width: 0%;
  background: linear-gradient(90deg, var(--color-emerald), var(--color-gold));
  transition: width 1.4s var(--ease);
  border-radius: 3px;
}

.route-line-fill.is-active { width: 100%; }

.route-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 22px;
  position: relative;
}

.route-step {
  text-align: center;
  padding: 0 10px;
}

.route-num {
  width: 88px;
  height: 88px;
  margin: 0 auto 22px;
  border-radius: 50%;
  background: var(--color-white);
  border: 2px solid var(--color-neutral-300);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald);
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.6rem;
  position: relative;
  z-index: 2;
  transition: border-color 0.5s var(--ease), background 0.5s var(--ease), color 0.5s var(--ease), transform 0.5s var(--ease);
}

.route-step.is-active .route-num {
  border-color: var(--color-emerald);
  background: linear-gradient(135deg, var(--color-emerald), var(--color-deep-green));
  color: var(--color-white);
  transform: scale(1.06);
}

.route-step h3 { font-size: 1.1rem; margin-bottom: 8px; }
.route-step p { font-size: 0.92rem; margin: 0; }

/* ==========================================================================
   Methodology
   ========================================================================== */

.method-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 18px;
}

.method-step {
  background: var(--color-white);
  border-radius: var(--radius-md);
  padding: 28px 22px;
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.method-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }

.method-num {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--color-gold);
  margin-bottom: 14px;
}

.method-step h3 { font-size: 1rem; margin-bottom: 8px; }
.method-step p { font-size: 0.9rem; margin: 0; }

/* ==========================================================================
   CTA
   ========================================================================== */

.cta-section {
  text-align: center;
  padding: 100px 0;
}

.cta-section h2 {
  font-size: clamp(1.9rem, 3.6vw, 2.8rem);
  color: var(--color-white);
  max-width: 760px;
  margin: 0 auto 18px;
}

.cta-section p {
  max-width: 560px;
  margin: 0 auto 38px;
  font-size: 1.08rem;
}

.cta-actions {
  display: flex;
  gap: 18px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ==========================================================================
   Contact
   ========================================================================== */

.contact-grid {
  display: grid;
  grid-template-columns: 0.85fr 1.15fr;
  gap: 54px;
  align-items: start;
}

.contact-info-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 40px 34px;
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-sm);
}

.contact-info-card h3 { font-size: 1.3rem; margin-bottom: 6px; }

.contact-list {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 20px;
}

.contact-list li {
  display: flex;
  align-items: flex-start;
  gap: 16px;
}

.contact-list .ic {
  width: 42px;
  height: 42px;
  border-radius: 10px;
  background: linear-gradient(135deg, rgba(31,157,106,0.14), rgba(201,162,75,0.1));
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-emerald);
  flex-shrink: 0;
}

.contact-list .label { font-size: 0.8rem; color: var(--color-charcoal-soft); margin-bottom: 2px; }
.contact-list .value { font-weight: 600; color: var(--color-deep-green); }
.contact-list a.value { color: var(--color-deep-green); }
.contact-list a.value:hover { color: var(--color-emerald); }

.contact-form-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  padding: 44px;
  border: 1px solid var(--color-neutral-200);
  box-shadow: var(--shadow-md);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.field {
  margin-bottom: 20px;
}

.field label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-deep-green);
  margin-bottom: 7px;
}

.field input,
.field select,
.field textarea {
  width: 100%;
  padding: 13px 16px;
  border-radius: var(--radius-sm);
  border: 1.5px solid var(--color-neutral-300);
  background: var(--color-neutral-100);
  font-family: var(--font-body);
  font-size: 0.96rem;
  color: var(--color-charcoal);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.field textarea { resize: vertical; min-height: 120px; }

.field input:focus,
.field select:focus,
.field textarea:focus {
  outline: none;
  border-color: var(--color-emerald);
  background: var(--color-white);
}

.field input:invalid:not(:placeholder-shown) {
  border-color: #c0524a;
}

.field-hint { font-size: 0.78rem; color: #c0524a; margin-top: 5px; min-height: 1em; }

.honeypot-field { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }

.form-success {
  display: none;
  text-align: center;
  padding: 40px 10px;
}

.form-success.is-visible { display: block; }
.contact-form.is-hidden { display: none; }

.form-success h3 { color: var(--color-emerald); margin-bottom: 10px; }

.submit-row { display: flex; justify-content: flex-end; margin-top: 8px; }

/* ==========================================================================
   Footer
   ========================================================================== */

.footer {
  background: #0a2219;
  color: rgba(255,255,255,0.75);
  padding: 70px 0 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 50px;
  padding-bottom: 44px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
}

.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand span { color: var(--color-white); font-family: var(--font-display); font-weight: 700; font-size: 1.15rem; }

.footer h4 {
  color: var(--color-white);
  font-family: var(--font-body);
  font-size: 0.9rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 18px;
}

.footer ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 12px; }
.footer ul a { color: rgba(255,255,255,0.7); font-size: 0.94rem; }
.footer ul a:hover { color: var(--color-emerald-light); }

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 26px;
  font-size: 0.85rem;
  flex-wrap: wrap;
  gap: 10px;
}

.footer-tagline { color: var(--color-gold); font-style: italic; }

/* ==========================================================================
   WhatsApp floating button
   ========================================================================== */

.wa-float {
  position: fixed;
  bottom: 26px;
  right: 26px;
  z-index: 90;
  width: 60px;
  height: 60px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--color-emerald) 0%, var(--color-emerald-light) 100%);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 10px 30px rgba(31,157,106,0.4);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease);
}

.wa-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 14px 36px rgba(31,157,106,0.5);
}

.wa-float:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 3px;
}

/* ==========================================================================
   Skip link / accessibility
   ========================================================================== */

.skip-link {
  position: absolute;
  left: -9999px;
  top: 0;
  background: var(--color-emerald);
  color: white;
  padding: 12px 18px;
  z-index: 200;
  border-radius: 0 0 8px 0;
}

.skip-link:focus { left: 0; }

:focus-visible {
  outline: 3px solid var(--color-gold);
  outline-offset: 2px;
}

/* ==========================================================================
   Responsive
   ========================================================================== */

@media (max-width: 1024px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
  .sustain-grid { grid-template-columns: repeat(2, 1fr); }
  .benefits-grid { grid-template-columns: repeat(3, 1fr); }
  .method-grid { grid-template-columns: repeat(3, 1fr); }
  .about-grid { grid-template-columns: 1fr; gap: 40px; }
  .contact-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 36px 24px; }
}

@media (max-width: 860px) {
  .nav-links, .nav-actions .btn { display: none; }
  .nav-toggle { display: flex; }
  .nav-actions.is-open,
  .navbar.is-open .nav-links {
    display: flex;
  }
  .navbar.is-open .nav-links {
    position: absolute;
    top: 78px;
    left: 0;
    right: 0;
    background: var(--color-warm-white);
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 24px 30px;
    gap: 20px;
    border-bottom: 1px solid var(--color-neutral-200);
    box-shadow: var(--shadow-md);
  }
  .navbar.is-open .nav-actions {
    display: flex;
    position: absolute;
    top: calc(78px + 220px);
    left: 24px;
  }
  .hero .container { grid-template-columns: 1fr; }
  .hero-visual { max-width: 320px; margin: 40px auto 0; }
  .route-steps { grid-template-columns: 1fr; gap: 36px; }
  .route-line { display: none; }
  .sustain-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: repeat(2, 1fr); }
  .method-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .section { padding: 70px 0; }
  .hero { padding: 110px 0 80px; }
  .services-grid { grid-template-columns: 1fr; }
  .benefits-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .contact-form-card { padding: 30px 22px; }
  .contact-info-card { padding: 30px 22px; }
  .hero-actions, .cta-actions { flex-direction: column; }
  .hero-actions .btn, .cta-actions .btn { width: 100%; }
  .wa-float { width: 54px; height: 54px; bottom: 18px; right: 18px; }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
  html { scroll-behavior: auto; }
}