/* ============================================================
   JUAN GONZALO LÓPEZ — TERAPEUTA OCUPACIONAL
   Design System CSS — v1.0
   ============================================================ */

/* 1. Variables & Reset
   ============================================================ */
:root {
  --color-primary:       #6B8F71;
  --color-primary-dark:  #3D5A44;
  --color-secondary:     #F5F0E8;
  --color-dark:          #2E2E2E;
  --color-gray:          #7A7A7A;
  --color-base:          #FAFAF8;
  --color-accent:        #C28B6E;
  --color-error:         #B55A5A;
  --color-success-bg:    #EAF2EB;
  --color-card-border:   #E8E4DC;
  --color-input-border:  #D0CBC0;
  --color-white:         #FFFFFF;

  --font-display: 'Playfair Display', Georgia, serif;
  --font-body:    'Inter', system-ui, sans-serif;

  --space-1:  4px;
  --space-2:  8px;
  --space-3:  12px;
  --space-4:  16px;
  --space-6:  24px;
  --space-8:  32px;
  --space-12: 48px;
  --space-16: 64px;
  --space-24: 96px;

  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 16px;

  --shadow-sm: 0 2px 12px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.13);

  --nav-height: 68px;
  --container:  1200px;

  --transition-fast:   150ms ease;
  --transition-base:   200ms ease;
  --transition-slow:   250ms ease;
  --transition-anim:   400ms ease-out;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  color: var(--color-dark);
  background-color: var(--color-base);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

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

a {
  color: inherit;
  text-decoration: none;
}

ul { list-style: none; }

button {
  cursor: pointer;
  font-family: var(--font-body);
  border: none;
  background: none;
}

input, textarea, select {
  font-family: var(--font-body);
  font-size: 1rem;
}

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

/* 2. Typography
   ============================================================ */
h1, h2, h3, h4 {
  font-family: var(--font-display);
  line-height: 1.2;
  color: var(--color-dark);
}

h1 { font-size: clamp(2rem, 5vw, 2.5rem); font-weight: 700; }
h2 { font-size: clamp(1.5rem, 3vw, 1.75rem); font-weight: 600; }
h3 { font-size: 1.375rem; font-weight: 600; }
h4 { font-size: 1.125rem; font-weight: 600; }

.text-hero {
  font-size: clamp(2.2rem, 6vw, 3.25rem);
  font-weight: 700;
  font-family: var(--font-display);
  line-height: 1.15;
}

.text-small { font-size: 0.875rem; }
.text-caption { font-size: 0.75rem; }

p { color: var(--color-dark); line-height: 1.7; }

.text-gray { color: var(--color-gray); }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }

.lead {
  font-size: 1.125rem;
  line-height: 1.75;
  color: var(--color-gray);
}

/* 3. Layout & Utilities
   ============================================================ */
.container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-6);
}

.section {
  padding: var(--space-16) 0;
}

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

.section-header {
  margin-bottom: var(--space-12);
}

.section-label {
  display: inline-block;
  font-family: var(--font-body);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.section-title {
  margin-bottom: var(--space-4);
}

.section-desc {
  max-width: 560px;
  color: var(--color-gray);
}

.text-center { text-align: center; }
.text-center .section-desc { margin: 0 auto; }

.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-6);
}

.grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
}

.flex { display: flex; }
.flex-center { display: flex; align-items: center; }
.gap-2 { gap: var(--space-2); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }

.page-header {
  padding: calc(var(--nav-height) + var(--space-16)) 0 var(--space-16);
  background-color: var(--color-secondary);
}

.page-header h1 {
  margin-bottom: var(--space-4);
}

.page-header .lead {
  max-width: 600px;
}

/* 4. Buttons
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 12px 28px;
  font-size: 1rem;
  font-weight: 600;
  font-family: var(--font-body);
  border-radius: var(--radius-sm);
  transition: background-color var(--transition-base),
              color var(--transition-base),
              border-color var(--transition-base),
              box-shadow var(--transition-base);
  white-space: nowrap;
  cursor: pointer;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-base);
  border: 1.5px solid var(--color-primary);
}
.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-primary);
  border: 1.5px solid var(--color-primary);
}
.btn-outline:hover {
  background-color: var(--color-primary);
  color: var(--color-base);
}

.btn-text {
  background: none;
  border: none;
  color: var(--color-primary);
  padding: 0;
  font-weight: 600;
  font-size: 0.9375rem;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  transition: color var(--transition-fast);
}
.btn-text:hover { color: var(--color-primary-dark); }
.btn-text:hover .btn-arrow { transform: translateX(4px); }

.btn-arrow {
  transition: transform var(--transition-base);
}

/* 5. Navigation
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--nav-height);
  background-color: rgba(250, 250, 248, 0.95);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--color-card-border);
}

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

.nav__brand {
  display: flex;
  flex-direction: column;
  gap: 8px;
  line-height: 1.25;
}

.nav__name {
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--color-dark);
  white-space: nowrap;
}

.nav__title {
  font-size: 0.75rem;
  font-weight: 300;
  color: var(--color-gray);
  font-family: var(--font-body);
  letter-spacing: 0.02em;
}

.nav__links {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}

.nav__link {
  font-size: 1rem;
  font-weight: 400;
  color: var(--color-dark);
  transition: color var(--transition-fast);
  position: relative;
}
.nav__link::after {
  content: '';
  position: absolute;
  bottom: -3px;
  left: 0;
  right: 0;
  height: 2px;
  background-color: var(--color-primary);
  transform: scaleX(0);
  transition: transform var(--transition-base);
  transform-origin: left;
}
.nav__link:hover { color: var(--color-primary); }
.nav__link:hover::after { transform: scaleX(1); }
.nav__link.active {
  color: var(--color-primary);
  font-weight: 600;
}
.nav__link.active::after { transform: scaleX(1); }

.nav__cta { margin-left: var(--space-4); }

.nav__hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}
.nav__hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background-color: var(--color-dark);
  border-radius: 2px;
  transition: all var(--transition-slow);
}

.nav__hamburger.open span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.nav__hamburger.open span:nth-child(2) {
  opacity: 0;
}
.nav__hamburger.open span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.nav__mobile {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0;
  right: 0;
  background-color: var(--color-base);
  border-bottom: 1px solid var(--color-card-border);
  padding: var(--space-6) var(--space-6) var(--space-8);
  flex-direction: column;
  gap: var(--space-4);
  z-index: 99;
  animation: slideDown var(--transition-slow) ease;
}
.nav__mobile.open { display: flex; }

.nav__mobile .nav__link {
  font-size: 1.125rem;
  padding: var(--space-2) 0;
  border-bottom: 1px solid var(--color-card-border);
}
.nav__mobile .btn { margin-top: var(--space-2); align-self: flex-start; }

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-8px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* 6. Hero
   ============================================================ */
.hero {
  min-height: calc(100vh - var(--nav-height));
  display: flex;
  align-items: center;
  padding: var(--space-16) 0;
  overflow: hidden;
}

.hero__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.hero__content { max-width: 560px; }

.hero__label {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  background-color: var(--color-secondary);
  color: var(--color-primary);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-2) var(--space-3);
  border-radius: 20px;
  margin-bottom: var(--space-6);
  white-space: nowrap;
}

.hero__title {
  margin-bottom: var(--space-6);
}

.hero__title em {
  font-style: italic;
  color: var(--color-primary);
}

.hero__desc {
  font-size: 1.125rem;
  color: var(--color-gray);
  line-height: 1.75;
  margin-bottom: var(--space-8);
  max-width: 480px;
}

.hero__actions {
  display: flex;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.hero__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
  max-height: 580px;
}

.hero__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center top;
}

.hero__badge {
  position: absolute;
  bottom: var(--space-6);
  left: var(--space-6);
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  padding: var(--space-4) var(--space-6);
  box-shadow: var(--shadow-md);
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.hero__badge-icon {
  width: 40px;
  height: 40px;
  background-color: var(--color-secondary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.hero__badge-text {
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-dark);
  line-height: 1.3;
}

.hero__badge-sub {
  font-size: 0.75rem;
  color: var(--color-gray);
  font-weight: 400;
}

/* 7. Value Props
   ============================================================ */
.values {
  padding: var(--space-12) 0;
  background-color: var(--color-secondary);
}

.values__grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: var(--space-6);
}

.value-item {
  display: flex;
  gap: var(--space-4);
  align-items: flex-start;
}

.value-item__icon {
  width: 48px;
  height: 48px;
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
  box-shadow: var(--shadow-sm);
}

.value-item__text h4 { margin-bottom: var(--space-2); }
.value-item__text p { font-size: 0.9375rem; color: var(--color-gray); }

/* 8. About Section
   ============================================================ */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--space-16);
  align-items: center;
}

.about__image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/5;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.about__deco {
  position: absolute;
  bottom: -var(--space-6);
  right: -var(--space-6);
  width: 120px;
  height: 120px;
  background-color: var(--color-primary);
  border-radius: var(--radius-lg);
  opacity: 0.15;
  z-index: -1;
}

.about__quote {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.25rem;
  color: var(--color-dark);
  border-left: 3px solid var(--color-accent);
  padding-left: var(--space-6);
  margin: var(--space-8) 0;
  line-height: 1.6;
}

.about__meta {
  display: flex;
  gap: var(--space-8);
  margin-top: var(--space-8);
}

.about__stat strong {
  display: block;
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--color-primary);
  line-height: 1;
  margin-bottom: var(--space-1);
}

.about__stat span {
  font-size: 0.875rem;
  color: var(--color-gray);
}

/* 9. Service Cards
   ============================================================ */
.service-card {
  background-color: var(--color-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  transition: box-shadow var(--transition-slow),
              transform var(--transition-slow);
}

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

.service-card__icon {
  width: 52px;
  height: 52px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  margin-bottom: var(--space-4);
}

.service-card h3 { margin-bottom: var(--space-3); }

.service-card p {
  font-size: 0.9375rem;
  color: var(--color-gray);
  margin-bottom: var(--space-6);
  line-height: 1.65;
}

.service-card__tag {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-gray);
  letter-spacing: 0.04em;
}

.service-card__list {
  list-style: none;
  margin: var(--space-4) 0 var(--space-6);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.service-card__list li {
  font-size: 0.9375rem;
  color: var(--color-gray);
  padding-left: var(--space-4);
  position: relative;
  line-height: 1.5;
}

.service-card__list li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background-color: var(--color-primary);
  opacity: 0.7;
}

.programs-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.program-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  background-color: var(--color-white);
  border: 1px solid var(--color-card-border);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.program-item__icon {
  width: 36px;
  height: 36px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.program-item p {
  font-size: 0.875rem;
  color: var(--color-dark);
  line-height: 1.45;
}

.hero__specialty {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-top: var(--space-2);
  margin-bottom: var(--space-6);
}

/* 10. Blog Cards
   ============================================================ */
.blog-card {
  background-color: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-card-border);
  transition: box-shadow var(--transition-slow),
              transform var(--transition-slow);
  display: flex;
  flex-direction: column;
}

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

.blog-card__img {
  aspect-ratio: 16/9;
  overflow: hidden;
}

.blog-card__img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 400ms ease;
}

.blog-card:hover .blog-card__img img {
  transform: scale(1.04);
}

.blog-card__body {
  padding: 20px 24px 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.blog-card__cat {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin-bottom: var(--space-3);
}

.blog-card h3 {
  font-size: 1.125rem;
  margin-bottom: var(--space-3);
  line-height: 1.35;
}

.blog-card h3 a { color: var(--color-dark); transition: color var(--transition-fast); }
.blog-card h3 a:hover { color: var(--color-primary); }

.blog-card__excerpt {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.65;
  margin-bottom: var(--space-4);
  flex: 1;
}

.blog-card__meta {
  font-size: 0.8125rem;
  color: var(--color-gray);
  display: flex;
  align-items: center;
  gap: var(--space-3);
  margin-top: auto;
}

.blog-card__meta span:not(:last-child)::after {
  content: '·';
  margin-left: var(--space-3);
}

/* 11. CTA Banner
   ============================================================ */
.cta-banner {
  padding: var(--space-16) 0;
  background-color: var(--color-secondary);
}

.cta-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-8);
}

.cta-banner__content h2 { margin-bottom: var(--space-3); }
.cta-banner__content p { color: var(--color-gray); max-width: 480px; }

/* 12. Footer
   ============================================================ */
.footer {
  background-color: var(--color-dark);
  color: var(--color-base);
  padding: var(--space-16) 0 0;
}

.footer__inner {
  display: grid;
  grid-template-columns: 2fr 1fr 1.5fr;
  gap: var(--space-12);
  padding-bottom: var(--space-12);
  border-bottom: 1px solid rgba(250,250,248,0.1);
}

.footer__brand-name {
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-base);
  margin-bottom: var(--space-1);
}

.footer__brand-title {
  font-size: 0.8125rem;
  color: rgba(250,250,248,0.5);
  margin-bottom: var(--space-6);
}

.footer__desc {
  font-size: 0.9375rem;
  color: rgba(250,250,248,0.65);
  line-height: 1.7;
  max-width: 300px;
}

.footer__col-title {
  font-family: var(--font-body);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: rgba(250,250,248,0.5);
  margin-bottom: var(--space-6);
}

.footer__links {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.footer__link {
  font-size: 0.9375rem;
  color: rgba(250,250,248,0.75);
  transition: color var(--transition-fast);
}
.footer__link:hover { color: var(--color-base); }

.footer__contact-item {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: 0.9375rem;
  color: rgba(250,250,248,0.75);
  margin-bottom: var(--space-4);
  line-height: 1.5;
}

.footer__contact-item svg {
  flex-shrink: 0;
  color: var(--color-primary);
  margin-top: 2px;
}

.footer__bottom {
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  flex-wrap: wrap;
}

.footer__copy {
  font-size: 0.75rem;
  color: rgba(250,250,248,0.4);
}

.footer__legal {
  display: flex;
  gap: var(--space-6);
}

.footer__legal a {
  font-size: 0.75rem;
  color: rgba(250,250,248,0.4);
  transition: color var(--transition-fast);
}
.footer__legal a:hover { color: rgba(250,250,248,0.8); }

/* 13. Forms
   ============================================================ */
.form-group {
  margin-bottom: var(--space-6);
}

.form-label {
  display: block;
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-dark);
  margin-bottom: var(--space-2);
}

.form-label span {
  color: var(--color-gray);
  font-weight: 400;
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--color-input-border);
  border-radius: var(--radius-sm);
  background-color: var(--color-white);
  color: var(--color-dark);
  font-size: 1rem;
  transition: border-color var(--transition-base);
  appearance: none;
}

.form-input:focus,
.form-textarea:focus,
.form-select:focus {
  outline: none;
  border-color: var(--color-primary);
  border-width: 2px;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--color-input-border);
}

.form-textarea {
  min-height: 130px;
  resize: vertical;
}

.form-success {
  display: none;
  background-color: var(--color-success-bg);
  border-left: 4px solid var(--color-primary);
  padding: var(--space-4) var(--space-6);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 0.9375rem;
  color: var(--color-dark);
  margin-top: var(--space-6);
}

.form-success.visible { display: block; }

/* 14. Contact Page
   ============================================================ */
.contact__inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-16);
  align-items: flex-start;
}

.contact-info__item {
  display: flex;
  gap: var(--space-4);
  margin-bottom: var(--space-6);
}

.contact-info__icon {
  width: 44px;
  height: 44px;
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--color-primary);
  flex-shrink: 0;
}

.contact-info__text h4 {
  font-size: 0.875rem;
  font-weight: 600;
  margin-bottom: var(--space-1);
}

.contact-info__text p {
  font-size: 0.9375rem;
  color: var(--color-gray);
  line-height: 1.55;
}

.contact-info__quote {
  background-color: var(--color-secondary);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  margin-top: var(--space-8);
}

.contact-info__quote p {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.0625rem;
  color: var(--color-dark);
  line-height: 1.65;
  margin-bottom: var(--space-3);
}

.contact-info__quote cite {
  font-size: 0.875rem;
  color: var(--color-gray);
  font-style: normal;
}

/* 15. Blog Page
   ============================================================ */
.blog-filters {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  flex-wrap: wrap;
  margin-bottom: var(--space-8);
}

.filter-chip {
  padding: var(--space-2) var(--space-4);
  border: 1.5px solid var(--color-card-border);
  border-radius: 20px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-gray);
  background-color: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(107, 143, 113, 0.06);
}

.pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  margin-top: var(--space-12);
}

.page-btn {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 1.5px solid var(--color-card-border);
  border-radius: var(--radius-sm);
  font-size: 0.9375rem;
  color: var(--color-gray);
  background: transparent;
  cursor: pointer;
  transition: all var(--transition-base);
}

.page-btn:hover,
.page-btn.active {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background-color: rgba(107, 143, 113, 0.06);
}

/* 16. Article Page
   ============================================================ */
.article-header {
  padding: calc(var(--nav-height) + var(--space-12)) 0 var(--space-8);
  max-width: 720px;
  margin: 0 auto;
}

.article-header .blog-card__cat {
  font-size: 0.8125rem;
  margin-bottom: var(--space-4);
}

.article-header h1 {
  font-size: clamp(1.75rem, 4vw, 2.25rem);
  margin-bottom: var(--space-6);
}

.article-meta {
  display: flex;
  align-items: center;
  gap: var(--space-4);
  font-size: 0.875rem;
  color: var(--color-gray);
}

.article-meta__sep { color: var(--color-card-border); }

.article-image {
  border-radius: var(--radius-md);
  overflow: hidden;
  aspect-ratio: 16/9;
  margin-bottom: var(--space-12);
}

.article-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.article-body {
  max-width: 720px;
  margin: 0 auto;
  font-size: 1.0625rem;
  line-height: 1.8;
}

.article-body h2 {
  font-size: 1.5rem;
  margin-top: var(--space-12);
  margin-bottom: var(--space-4);
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-primary);
}

.article-body h3 {
  font-size: 1.1875rem;
  margin-top: var(--space-8);
  margin-bottom: var(--space-3);
}

.article-body p { margin-bottom: var(--space-6); }

.article-body ul,
.article-body ol {
  margin-bottom: var(--space-6);
  padding-left: var(--space-6);
}

.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }

.article-body li { margin-bottom: var(--space-2); color: var(--color-dark); }

.article-body blockquote {
  background-color: var(--color-secondary);
  border-left: 4px solid var(--color-accent);
  padding: var(--space-6) var(--space-8);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  margin: var(--space-8) 0;
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.125rem;
  color: var(--color-dark);
}

.article-body strong { font-weight: 600; }

.article-related {
  padding: var(--space-16) 0;
  background-color: var(--color-secondary);
}

/* 17. Process Steps
   ============================================================ */
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-6);
  counter-reset: steps;
}

.step {
  position: relative;
  padding-top: var(--space-12);
}

.step__number {
  position: absolute;
  top: 0;
  left: 0;
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: var(--color-base);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
}

.step h4 { margin-bottom: var(--space-3); }
.step p { font-size: 0.9375rem; color: var(--color-gray); }

/* 18. Scroll Animations
   ============================================================ */
.fade-up {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity var(--transition-anim),
              transform var(--transition-anim);
}

.fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

.fade-up:nth-child(2) { transition-delay: 80ms; }
.fade-up:nth-child(3) { transition-delay: 160ms; }
.fade-up:nth-child(4) { transition-delay: 240ms; }
.fade-up:nth-child(5) { transition-delay: 320ms; }
.fade-up:nth-child(6) { transition-delay: 400ms; }

@media (prefers-reduced-motion: reduce) {
  .fade-up {
    opacity: 1;
    transform: none;
    transition: none;
  }
  html { scroll-behavior: auto; }
  * { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
}

/* 19. Media Queries
   ============================================================ */
@media (max-width: 1024px) {
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__inner > :first-child { grid-column: 1 / -1; }
}

@media (max-width: 900px) {
  .hero__inner { grid-template-columns: 1fr; gap: var(--space-2); }
  .hero__image { max-height: 350px; aspect-ratio: 1.1; order: -1; }
  .hero__image img { object-position: center 45%; }
  .hero { min-height: auto; padding: var(--space-8) 0; }
  .about__inner { grid-template-columns: 1fr; }
  .about__image { max-height: 360px; aspect-ratio: 16/9; }
  .contact__inner { grid-template-columns: 1fr; }
  .values__grid { grid-template-columns: 1fr; }
  .cta-banner__inner { flex-direction: column; text-align: center; }
}

@media (max-width: 768px) {
  .section { padding: var(--space-12) 0; }
  .page-header { padding: calc(var(--nav-height) + var(--space-8)) 0 var(--space-8); }
  .grid-2, .grid-3, .grid-4 { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }

  .nav__links { display: none; }
  .nav__hamburger { display: flex; }

  .hero__actions { flex-direction: column; align-items: flex-start; }
  .about__meta { flex-wrap: wrap; gap: var(--space-6); }
  .footer__inner { grid-template-columns: 1fr; gap: var(--space-8); }
  .footer__bottom { flex-direction: column; text-align: center; }
  .footer__legal { flex-wrap: wrap; justify-content: center; }

  .article-header,
  .article-body { padding-left: var(--space-4); padding-right: var(--space-4); }

  /* Horizontal scroll for blog cards on mobile */
  .blog-grid-scroll {
    display: flex !important;
    overflow-x: auto !important;
    scroll-snap-type: x mandatory;
    scroll-padding-left: var(--space-6);
    scroll-padding-right: var(--space-6);
    -webkit-overflow-scrolling: touch;
    gap: var(--space-4) !important;
    padding-bottom: var(--space-4);
    margin-left: calc(-1 * var(--space-6));
    margin-right: calc(-1 * var(--space-6));
    padding-left: var(--space-6);
    padding-right: var(--space-6);
    scrollbar-width: none; /* Firefox */
  }
  .blog-grid-scroll::-webkit-scrollbar {
    display: none; /* Chrome, Safari, Opera */
  }
  .blog-grid-scroll::after {
    content: '' !important;
    display: block !important;
    flex: 0 0 var(--space-6) !important;
  }
  .blog-grid-scroll .blog-card {
    flex: 0 0 82%;
    max-width: 300px;
    scroll-snap-align: start;
  }
}

@media (max-width: 480px) {
  .container { padding: 0 var(--space-4); }
  .btn { padding: 11px 20px; font-size: 0.9375rem; }
  .hero__badge { display: none; }

  /* Adjust padding for horizontal scroll on very small screens */
  .blog-grid-scroll {
    margin-left: calc(-1 * var(--space-4));
    margin-right: calc(-1 * var(--space-4));
    padding-left: var(--space-4);
    padding-right: var(--space-4);
    scroll-padding-left: var(--space-4);
    scroll-padding-right: var(--space-4);
  }
  .blog-grid-scroll::after {
    flex: 0 0 var(--space-4) !important;
  }

/* WhatsApp Float */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-6);
  right: var(--space-6);
  width: 60px;
  height: 60px;
  background-color: #25D366;
  color: white;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-lg);
  z-index: 1000;
  transition: transform var(--transition-base), background-color var(--transition-base);
}

.whatsapp-float:hover {
  transform: scale(1.1);
  background-color: #128C7E;
}

@media (max-width: 768px) {
  .whatsapp-float {
    bottom: var(--space-4);
    right: var(--space-4);
    width: 50px;
    height: 50px;
  }
}