/* ============================================================
   SANKYO BRASIL — Design System & Production Stylesheet
   ============================================================ */

/* --- Google Fonts Import --- */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* --- CSS Variables --- */
:root {
  --color-primary: #1B2A4A;
  --color-accent: #E63946;
  --color-white: #FFFFFF;
  --color-light: #F5F7FA;
  --color-text: #2D3748;
  --color-text-light: #6B7280;
  --color-border: #E5E7EB;
  --font-main: 'Inter', system-ui, -apple-system, sans-serif;
  --header-height: 72px;
  --transition-base: 0.3s ease;
  --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 4px 12px rgba(0, 0, 0, 0.08);
  --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.12);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 12px;
}

/* ============================================================
   1. CSS RESET & BASE
   ============================================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

img,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--transition-base);
}

ul,
ol {
  list-style: none;
}

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

h1, h2, h3, h4, h5, h6 {
  line-height: 1.2;
  font-weight: 700;
  color: var(--color-primary);
}

h1 { font-size: clamp(2.5rem, 5vw, 4rem); }
h2 { font-size: clamp(1.75rem, 3.5vw, 2.5rem); }
h3 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p {
  margin-bottom: 1rem;
  color: var(--color-text);
}

/* ============================================================
   2. UTILITY CLASSES
   ============================================================ */

.container {
  max-width: 1200px;
  margin-left: auto;
  margin-right: auto;
  padding-left: 24px;
  padding-right: 24px;
  width: 100%;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 20px;
}

.section-subtitle {
  font-size: 1.1rem;
  color: var(--color-text-light);
  max-width: 600px;
  line-height: 1.7;
}

/* Red accent line — recurring brand element */
.accent-line {
  display: block;
  width: 48px;
  height: 3px;
  background-color: var(--color-accent);
  border-radius: 2px;
  margin-bottom: 20px;
}

.accent-line--center {
  margin-left: auto;
  margin-right: auto;
}

/* Three-bar brand motif */
.brand-bars {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin-bottom: 20px;
}

.brand-bars span:nth-child(1) {
  width: 48px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.brand-bars span:nth-child(2) {
  width: 40px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

.brand-bars span:nth-child(3) {
  width: 32px;
  height: 3px;
  background: var(--color-accent);
  border-radius: 2px;
}

/* Scroll-triggered reveal animations — bidirectional (in/out) */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 0.8s cubic-bezier(0.22, 1, 0.36, 1),
              transform 0.8s cubic-bezier(0.22, 1, 0.36, 1);
  will-change: opacity, transform;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0) translateX(0) scale(1);
}

/* Slide from left */
.reveal--left {
  transform: translateX(-60px);
}

/* Slide from right */
.reveal--right {
  transform: translateX(60px);
}

/* Scale up */
.reveal--scale {
  transform: scale(0.85);
}

/* Rotate in */
.reveal--rotate {
  transform: translateY(40px) rotate(3deg);
}

/* Stagger delays */
.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; }
.reveal--delay-5 { transition-delay: 0.5s; }

/* Continuous scroll-driven motion (JS sets --scroll-progress 0..1) */
[data-speed] {
  will-change: transform;
}

/* Reduce motion for accessibility */
@media (prefers-reduced-motion: reduce) {
  .reveal {
    opacity: 1;
    transform: none;
    transition: none;
  }
  [data-speed] {
    transform: none !important;
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 14px 32px;
  font-size: 0.95rem;
  font-weight: 600;
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
  white-space: nowrap;
}

.btn--primary {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.btn--primary:hover {
  background-color: #cf2f3c;
  transform: translateY(-2px);
  box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
}

.btn--outline {
  border: 2px solid var(--color-white);
  color: var(--color-white);
  background: transparent;
}

.btn--outline:hover {
  background-color: var(--color-white);
  color: var(--color-primary);
}

.btn--secondary {
  background-color: transparent;
  color: var(--color-accent);
  border: 2px solid var(--color-accent);
}

.btn--secondary:hover {
  background-color: var(--color-accent);
  color: var(--color-white);
}

/* ============================================================
   3. HEADER / NAVIGATION
   ============================================================ */

.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--header-height);
  background-color: var(--color-white);
  z-index: 1000;
  transition: box-shadow var(--transition-base);
}

.header.scrolled {
  box-shadow: var(--shadow-md);
}

.header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}

.header__logo {
  display: flex;
  align-items: center;
  flex-shrink: 0;
}

.header__logo img,
.header__logo svg {
  height: 36px;
  width: auto;
}

.nav {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav__list {
  display: flex;
  align-items: center;
  gap: 4px;
}

.nav__link {
  display: block;
  padding: 8px 16px;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-sm);
  transition: color var(--transition-base), background-color var(--transition-base);
}

.nav__link:hover,
.nav__link--active {
  color: var(--color-accent);
  background-color: rgba(230, 57, 70, 0.06);
}

.nav__cta {
  margin-left: 16px;
}

/* Language toggle */
.lang-toggle {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: 16px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--color-text-light);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  transition: all var(--transition-base);
}

.lang-toggle:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lang-toggle__active {
  color: var(--color-primary);
}

/* Mobile hamburger */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
  padding: 4px;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary);
  border-radius: 2px;
  transition: all var(--transition-base);
  transform-origin: center;
}

.hamburger.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile nav panel */
.mobile-nav {
  display: none;
  position: fixed;
  top: var(--header-height);
  left: 0;
  right: 0;
  bottom: 0;
  background-color: var(--color-white);
  z-index: 999;
  padding: 32px 24px;
  overflow-y: auto;
  opacity: 0;
  transform: translateY(-10px);
  transition: opacity var(--transition-base), transform var(--transition-base);
}

.mobile-nav.open {
  display: block;
  opacity: 1;
  transform: translateY(0);
}

.mobile-nav__list {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.mobile-nav__link {
  display: block;
  padding: 14px 16px;
  font-size: 1.1rem;
  font-weight: 500;
  color: var(--color-text);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.mobile-nav__link:hover {
  background-color: var(--color-light);
  color: var(--color-accent);
}

.mobile-nav__cta {
  margin-top: 24px;
  width: 100%;
  text-align: center;
}

.mobile-nav__lang {
  margin-top: 16px;
  display: flex;
  justify-content: center;
}

/* ============================================================
   4. HERO SECTION
   ============================================================ */

.hero {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  margin-top: var(--header-height);
  background-color: var(--color-primary);
  display: flex;
  align-items: center;
  overflow: hidden;
  padding: 80px 0 100px;
}

.hero__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 60px;
}

.hero__content {
  flex: 0 1 60%;
  position: relative;
  z-index: 2;
}

.hero__label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero__title {
  color: var(--color-white);
  margin-bottom: 24px;
  font-weight: 800;
  line-height: 1.1;
}

.hero__subtitle {
  font-size: clamp(1rem, 1.5vw, 1.2rem);
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.7;
  max-width: 520px;
  margin-bottom: 40px;
}

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

/* Decorative red bars in hero — brand motif */
.hero__decor {
  position: absolute;
  right: 8%;
  top: 50%;
  transform: translateY(-50%);
  display: flex;
  flex-direction: column;
  gap: 12px;
  opacity: 0.12;
  z-index: 1;
}

.hero__decor span {
  display: block;
  height: 6px;
  background-color: var(--color-accent);
  border-radius: 3px;
}

.hero__decor span:nth-child(1) { width: 200px; }
.hero__decor span:nth-child(2) { width: 160px; }
.hero__decor span:nth-child(3) { width: 120px; }
.hero__decor span:nth-child(4) { width: 240px; }
.hero__decor span:nth-child(5) { width: 180px; }
.hero__decor span:nth-child(6) { width: 100px; }

/* Subtle red accent line */
.hero__accent-line {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent) 30%, transparent 100%);
}

/* ============================================================
   5. ABOUT SECTION
   ============================================================ */

.about {
  padding: 100px 0 120px;
  background-color: var(--color-white);
}

.about__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 80px;
  align-items: start;
}

.about__content {
  padding-right: 20px;
}

.about__text {
  font-size: 1.05rem;
  color: var(--color-text);
  line-height: 1.8;
  margin-bottom: 18px;
}

.about__text:last-of-type {
  margin-bottom: 0;
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding-top: 16px;
}

.stat {
  padding: 32px 0;
  border-bottom: 1px solid var(--color-border);
  display: flex;
  align-items: baseline;
  gap: 20px;
  transition: gap var(--transition-base);
}

.stat:first-child {
  padding-top: 0;
}

.stat:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.stat:hover {
  gap: 28px;
}

.stat__number {
  display: block;
  font-size: clamp(3rem, 5vw, 4.5rem);
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  min-width: 100px;
  letter-spacing: -2px;
}

.stat__label {
  font-size: 1rem;
  color: var(--color-text-light);
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 1.5px;
}

/* ============================================================
   6. PRODUCTS / CATEGORIES SECTION
   ============================================================ */

.products {
  padding: 120px 0 80px;
  background-color: var(--color-white);
  overflow: hidden;
}

.products__header {
  margin-bottom: 80px;
}

.products__header .section-subtitle {
  max-width: 500px;
}

.products__grid {
  display: flex;
  flex-direction: column;
  gap: 0;
}

/* Each product: full-width row with icon block + text */
.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: stretch;
  min-height: 280px;
  position: relative;
  overflow: hidden;
}

/* Alternate: even cards flip the order */
.product-card:nth-child(even) {
  direction: rtl;
}
.product-card:nth-child(even) > * {
  direction: ltr;
}

/* Number block — large typographic panel */
.product-card__num {
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
  transition: background-color 0.5s ease;
}

.product-card:nth-child(1) .product-card__num { background-color: #EEF0F5; }
.product-card:nth-child(2) .product-card__num { background-color: var(--color-primary); }
.product-card:nth-child(3) .product-card__num { background-color: #F3EEED; }
.product-card:nth-child(4) .product-card__num { background-color: var(--color-accent); }

.product-card__num span {
  font-size: clamp(5rem, 12vw, 9rem);
  font-weight: 900;
  line-height: 1;
  letter-spacing: -4px;
  color: rgba(0, 0, 0, 0.07);
  transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1),
              color 0.5s ease;
  user-select: none;
}

/* White text on dark panels */
.product-card:nth-child(2) .product-card__num span,
.product-card:nth-child(4) .product-card__num span {
  color: rgba(255, 255, 255, 0.12);
}

/* Hover: number slides up and gets slightly more visible */
.product-card:hover .product-card__num span {
  transform: translateY(-8px) scale(1.05);
  color: rgba(0, 0, 0, 0.12);
}

.product-card:nth-child(2):hover .product-card__num span,
.product-card:nth-child(4):hover .product-card__num span {
  color: rgba(255, 255, 255, 0.2);
}

/* Red accent bar at bottom of number panel */
.product-card__num::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background-color: var(--color-accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s cubic-bezier(0.22, 1, 0.36, 1);
}

.product-card:hover .product-card__num::after {
  transform: scaleX(1);
}

/* Text side */
.product-card__body {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 48px 56px;
}

.product-card__title {
  font-size: clamp(1.3rem, 2.5vw, 1.75rem);
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 16px;
  line-height: 1.2;
}

.product-card__desc {
  font-size: 1rem;
  color: var(--color-text-light);
  line-height: 1.8;
  margin-bottom: 0;
  max-width: 420px;
}

/* ============================================================
   7. DIFFERENTIALS SECTION ("Por que a Sankyo")
   ============================================================ */

.differentials {
  padding: 100px 0 120px;
  background-color: var(--color-primary);
}

.differentials__header {
  text-align: center;
  margin-bottom: 64px;
}

.differentials__header .section-title {
  color: var(--color-white);
}

.differentials__header .section-subtitle {
  color: rgba(255, 255, 255, 0.6);
  margin-left: auto;
  margin-right: auto;
}

.differentials__header .accent-line {
  margin-left: auto;
  margin-right: auto;
}

.differentials__grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.diff-item {
  text-align: center;
  padding: 0 8px;
}

.diff-item__number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 56px;
  height: 56px;
  border: 2px solid var(--color-accent);
  border-radius: 50%;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--color-accent);
  margin-bottom: 20px;
  transition: all var(--transition-base);
}

.diff-item:hover .diff-item__number {
  background-color: var(--color-accent);
  color: var(--color-white);
}

.diff-item__title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--color-white);
  margin-bottom: 10px;
}

.diff-item__desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.55);
  line-height: 1.6;
  margin-bottom: 0;
}

/* ============================================================
   8. CONTACT SECTION
   ============================================================ */

.contact {
  padding: 100px 0 80px;
  background-color: var(--color-white);
}

.contact__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: start;
}

.contact__heading {
  margin-bottom: 16px;
}

.contact__text {
  font-size: 1.05rem;
  color: var(--color-text-light);
  line-height: 1.7;
  max-width: 440px;
}

.contact__cards {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-card {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 24px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition-base);
}

.contact-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-sm);
  transform: translateY(-2px);
}

.contact-card__icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: rgba(230, 57, 70, 0.08);
  border-radius: var(--radius-sm);
  color: var(--color-accent);
}

.contact-card__icon svg {
  width: 20px;
  height: 20px;
}

.contact-card__label {
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--color-text-light);
  margin-bottom: 4px;
}

.contact-card__value {
  font-size: 1rem;
  font-weight: 500;
  color: var(--color-primary);
  margin-bottom: 0;
}

.contact-card__value a {
  color: var(--color-primary);
  transition: color var(--transition-base);
}

.contact-card__value a:hover {
  color: var(--color-accent);
}

/* ============================================================
   9. FOOTER
   ============================================================ */

.footer {
  background-color: var(--color-primary);
  position: relative;
  padding: 60px 0 32px;
}

.footer::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background-color: var(--color-accent);
}

.footer__inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer__brand {
  max-width: 320px;
}

.footer__logo {
  margin-bottom: 16px;
}

.footer__logo img,
.footer__logo svg {
  height: 32px;
  width: auto;
}

.footer__desc {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.5);
  line-height: 1.7;
  margin-bottom: 0;
}

.footer__col-title {
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 20px;
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer__link {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.65);
  transition: color var(--transition-base);
}

.footer__link:hover {
  color: var(--color-white);
}

.footer__mercado-livre {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 8px;
  padding: 8px 16px;
  background-color: rgba(255, 255, 255, 0.08);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.8);
  transition: all var(--transition-base);
}

.footer__mercado-livre:hover {
  background-color: rgba(255, 255, 255, 0.14);
  color: var(--color-white);
}

.footer__bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 24px;
}

.footer__copy {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  margin-bottom: 0;
}

.footer__bottom-links {
  display: flex;
  gap: 24px;
}

.footer__bottom-link {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.35);
  transition: color var(--transition-base);
}

.footer__bottom-link:hover {
  color: rgba(255, 255, 255, 0.7);
}

/* ============================================================
   10. RESPONSIVE — TABLET (768px - 1024px)
   ============================================================ */

@media (max-width: 1024px) {
  .hero__inner {
    gap: 40px;
  }

  .hero__content {
    flex: 0 1 70%;
  }

  .hero__decor {
    right: 4%;
    opacity: 0.08;
  }

  .about__inner {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
  }

  .differentials__grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 40px;
  }

  .contact__inner {
    gap: 48px;
  }

  .footer__inner {
    grid-template-columns: 1fr 1fr;
    gap: 40px;
  }

  .footer__brand {
    grid-column: 1 / -1;
    max-width: 100%;
  }
}

/* ============================================================
   11. RESPONSIVE — MOBILE (<768px)
   ============================================================ */

@media (max-width: 767px) {
  :root {
    --header-height: 64px;
  }

  /* Header mobile */
  .nav {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  /* Hero mobile */
  .hero {
    padding: 60px 0 80px;
    min-height: auto;
  }

  .hero__inner {
    flex-direction: column;
    text-align: center;
  }

  .hero__content {
    flex: 1;
  }

  .hero__subtitle {
    margin-left: auto;
    margin-right: auto;
  }

  .hero__actions {
    justify-content: center;
  }

  .hero__decor {
    display: none;
  }

  /* About mobile */
  .about {
    padding: 80px 0;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__content {
    padding-right: 0;
  }

  .about__stats {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Products mobile */
  .products {
    padding: 80px 0;
  }

  .product-card {
    grid-template-columns: 1fr;
    min-height: auto;
  }

  .product-card:nth-child(even) {
    direction: ltr;
  }

  .product-card__num {
    padding: 32px;
    min-height: 160px;
  }

  .product-card__body {
    padding: 32px 24px;
  }

  /* Differentials mobile */
  .differentials {
    padding: 80px 0;
  }

  .differentials__grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Contact mobile */
  .contact {
    padding: 80px 0;
  }

  .contact__inner {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  /* Footer mobile */
  .footer__inner {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer__brand {
    grid-column: auto;
  }

  .footer__bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer__bottom-links {
    justify-content: center;
  }

  /* Buttons stack on small screens */
  .hero__actions {
    flex-direction: column;
    align-items: center;
  }

  .hero__actions .btn {
    width: 100%;
    max-width: 280px;
  }
}

/* ============================================================
   12. ANIMATIONS & MICRO-INTERACTIONS
   ============================================================ */

/* Smooth fade-in for page load */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__label {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.2s;
  opacity: 0;
}

.hero__title {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.35s;
  opacity: 0;
}

.hero__subtitle {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.5s;
  opacity: 0;
}

.hero__actions {
  animation: fadeInUp 0.6s ease forwards;
  animation-delay: 0.65s;
  opacity: 0;
}

/* Red line grow animation */
@keyframes lineGrow {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

.accent-line--animated {
  transform-origin: left;
  animation: lineGrow 0.8s ease forwards;
}

/* Counter number animation placeholder (JS-driven) */
.stat__number[data-target] {
  transition: none;
}

/* Hover glow on accent elements */
.btn--primary:active {
  transform: translateY(0);
  box-shadow: 0 2px 8px rgba(230, 57, 70, 0.25);
}

/* Focus styles for accessibility */
a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
  border-radius: 2px;
}

/* Skip to content link for accessibility */
.skip-link {
  position: absolute;
  top: -100%;
  left: 16px;
  padding: 12px 24px;
  background-color: var(--color-accent);
  color: var(--color-white);
  font-weight: 600;
  border-radius: var(--radius-sm);
  z-index: 9999;
  transition: top var(--transition-base);
}

.skip-link:focus {
  top: 16px;
}

/* ============================================================
   13. PRINT STYLES
   ============================================================ */

@media print {
  .header,
  .hero__decor,
  .hamburger,
  .mobile-nav {
    display: none;
  }

  .hero {
    min-height: auto;
    margin-top: 0;
    padding: 40px 0;
  }

  body {
    font-size: 12pt;
    color: #000;
  }

  .btn {
    border: 1px solid #000;
  }
}