/*
Theme Name: Alcompass
Theme URI: https://alcompass.com
Author: Florencia Alvarez
Description: Arquitectura del bienestar y superación — Alcompass coaching & consulting
Version: 1.0.0
Text Domain: alcompass
*/

/* ============================================================
   DESIGN TOKENS
   ============================================================ */
:root {
  /* Brand Colors */
  --color-green:       #729E70;
  --color-sage:        #BECCB4;
  --color-teal:        #8AABAE;
  --color-olive:       #D4DBC2;
  --color-cream:       #ECE8D2;
  --color-white:       #E5EAE2;

  /* Semantic */
  --color-bg:          #F7F5EF;
  --color-bg-alt:      var(--color-cream);
  --color-text:        #2C2C2C;
  --color-text-muted:  #6B6B6B;
  --color-heading:     #1E2E1E;
  --color-primary:     var(--color-green);
  --color-primary-dk:  #5A7F58;
  --color-accent:      var(--color-teal);
  --color-border:      #D8DDD0;

  /* Typography */
  --font-heading:      'Playfair Display', Georgia, serif;
  --font-body:         'DM Sans', 'Inter', system-ui, sans-serif;
  --font-mono:         'Courier New', monospace;

  --text-xs:    0.75rem;
  --text-sm:    0.875rem;
  --text-base:  1rem;
  --text-lg:    1.125rem;
  --text-xl:    1.25rem;
  --text-2xl:   1.5rem;
  --text-3xl:   1.875rem;
  --text-4xl:   2.25rem;
  --text-5xl:   3rem;
  --text-6xl:   3.75rem;

  --leading-tight:  1.2;
  --leading-snug:   1.35;
  --leading-normal: 1.6;
  --leading-loose:  1.8;

  /* Spacing */
  --space-1:   0.25rem;
  --space-2:   0.5rem;
  --space-3:   0.75rem;
  --space-4:   1rem;
  --space-5:   1.25rem;
  --space-6:   1.5rem;
  --space-8:   2rem;
  --space-10:  2.5rem;
  --space-12:  3rem;
  --space-16:  4rem;
  --space-20:  5rem;
  --space-24:  6rem;
  --space-32:  8rem;

  /* Layout */
  --container:       1200px;
  --container-sm:    768px;
  --container-md:    960px;
  --gutter:          clamp(1.5rem, 5vw, 3rem);

  /* Border radius */
  --radius-sm:   4px;
  --radius-md:   8px;
  --radius-lg:   16px;
  --radius-xl:   24px;
  --radius-full: 9999px;

  /* Shadows */
  --shadow-sm:  0 1px 3px rgba(44,44,44,0.08);
  --shadow-md:  0 4px 16px rgba(44,44,44,0.10);
  --shadow-lg:  0 8px 32px rgba(44,44,44,0.12);

  /* Transitions */
  --ease:        cubic-bezier(0.4, 0, 0.2, 1);
  --duration-sm: 150ms;
  --duration-md: 250ms;
  --duration-lg: 400ms;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
}

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

a {
  color: var(--color-primary);
  text-decoration: none;
  transition: color var(--duration-sm) var(--ease);
}
a:hover { color: var(--color-primary-dk); }

ul, ol { list-style: none; }

/* ============================================================
   TYPOGRAPHY
   ============================================================ */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-heading);
  line-height: var(--leading-tight);
  font-weight: 700;
}

h1 { font-size: clamp(var(--text-4xl), 6vw, var(--text-6xl)); }
h2 { font-size: clamp(var(--text-3xl), 4vw, var(--text-5xl)); }
h3 { font-size: clamp(var(--text-2xl), 3vw, var(--text-4xl)); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-text);
  line-height: var(--leading-normal);
}
p:last-child { margin-bottom: 0; }

.lead {
  font-size: var(--text-xl);
  line-height: var(--leading-loose);
  color: var(--color-text-muted);
}

.text-small { font-size: var(--text-sm); color: var(--color-text-muted); }
.text-caps   { text-transform: uppercase; letter-spacing: 0.1em; font-size: var(--text-xs); font-weight: 600; }

blockquote {
  border-left: 3px solid var(--color-green);
  padding: var(--space-4) var(--space-6);
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-xl);
  color: var(--color-heading);
  background: var(--color-cream);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  margin: var(--space-8) 0;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.container {
  max-width: var(--container);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.container--sm  { max-width: var(--container-sm); }
.container--md  { max-width: var(--container-md); }

.section {
  padding-block: clamp(var(--space-16), 8vw, var(--space-32));
}
.section--alt { background-color: var(--color-cream); }
.section--dark {
  background-color: var(--color-heading);
  color: var(--color-white);
}
.section--dark h1,
.section--dark h2,
.section--dark h3,
.section--dark p { color: var(--color-white); }

.grid {
  display: grid;
  gap: var(--space-8);
}
.grid--2 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 480px), 1fr)); }
.grid--3 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 320px), 1fr)); }
.grid--4 { grid-template-columns: repeat(auto-fit, minmax(min(100%, 240px), 1fr)); }

.flex        { display: flex; }
.flex-center { display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.gap-4       { gap: var(--space-4); }
.gap-6       { gap: var(--space-6); }
.gap-8       { gap: var(--space-8); }

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-8);
  border-radius: var(--radius-full);
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: 600;
  letter-spacing: 0.02em;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--duration-md) var(--ease);
  text-decoration: none;
  white-space: nowrap;
}
.btn--primary {
  background: var(--color-green);
  color: #fff;
  border-color: var(--color-green);
}
.btn--primary:hover {
  background: var(--color-primary-dk);
  border-color: var(--color-primary-dk);
  color: #fff;
  transform: translateY(-1px);
  box-shadow: var(--shadow-md);
}
.btn--outline {
  background: transparent;
  color: var(--color-green);
  border-color: var(--color-green);
}
.btn--outline:hover {
  background: var(--color-green);
  color: #fff;
}
.btn--white {
  background: #fff;
  color: var(--color-heading);
  border-color: #fff;
}
.btn--white:hover {
  background: var(--color-cream);
  color: var(--color-heading);
}
.btn--lg {
  padding: var(--space-4) var(--space-10);
  font-size: var(--text-lg);
}

/* ============================================================
   HEADER / NAV
   ============================================================ */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(247, 245, 239, 0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
  transition: box-shadow var(--duration-md) var(--ease);
}
.site-header.scrolled { box-shadow: var(--shadow-sm); }

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
}

/* Wordmark / Logo */
.site-logo {
  display: flex;
  flex-direction: column;
  line-height: 1;
  text-decoration: none;
}
.site-logo__name {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-2xl);
  font-weight: 700;
  color: var(--color-heading);
  letter-spacing: -0.02em;
}
.site-logo__name span { color: var(--color-green); }
.site-logo__sub {
  font-family: var(--font-body);
  font-size: 0.6rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  margin-top: 2px;
}

/* Nav */
.nav-menu {
  display: flex;
  align-items: center;
  gap: var(--space-8);
}
.nav-menu a {
  font-size: var(--text-sm);
  font-weight: 500;
  color: var(--color-text);
  letter-spacing: 0.02em;
  position: relative;
}
.nav-menu a::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  right: 0;
  height: 1.5px;
  background: var(--color-green);
  transform: scaleX(0);
  transition: transform var(--duration-md) var(--ease);
}
.nav-menu a:hover::after,
.nav-menu a.current-menu-item::after { transform: scaleX(1); }

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

/* Hamburger */
.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: var(--space-2);
  background: none;
  border: none;
}
.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-heading);
  transition: all var(--duration-md) var(--ease);
  border-radius: 2px;
}

@media (max-width: 768px) {
  .nav-toggle { display: flex; }
  .nav-menu {
    display: none;
    position: fixed;
    inset: 72px 0 0 0;
    background: var(--color-bg);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: var(--space-8);
    z-index: 99;
  }
  .nav-menu.is-open { display: flex; }
  .nav-menu a { font-size: var(--text-xl); }
  .nav-cta { margin-left: 0; }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100svh;
  display: flex;
  align-items: center;
  overflow: hidden;
  padding-top: 72px; /* header height */
}
.hero__bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center 30%;
  background-repeat: no-repeat;
}
.hero__overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    105deg,
    rgba(30, 46, 30, 0.62) 0%,
    rgba(114, 158, 112, 0.25) 60%,
    transparent 100%
  );
}
.hero__content {
  position: relative;
  z-index: 1;
  max-width: 680px;
  padding-block: var(--space-20);
}
.hero__tag {
  display: inline-block;
  background: rgba(255,255,255,0.15);
  backdrop-filter: blur(6px);
  border: 1px solid rgba(255,255,255,0.3);
  color: #fff;
  padding: var(--space-2) var(--space-5);
  border-radius: var(--radius-full);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-6);
}
.hero__title {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  font-weight: 700;
  color: #fff;
  line-height: 1.1;
  margin-bottom: var(--space-6);
}
.hero__title em {
  font-style: italic;
  color: var(--color-sage);
}
.hero__sub {
  font-size: clamp(var(--text-lg), 2vw, var(--text-xl));
  color: rgba(255,255,255,0.88);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-10);
  max-width: 520px;
}
.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-4);
}

/* ============================================================
   SECTION HEADERS
   ============================================================ */
.section-header {
  text-align: center;
  max-width: 640px;
  margin-inline: auto;
  margin-bottom: var(--space-16);
}
.section-header__tag {
  display: inline-block;
  color: var(--color-green);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}
.section-header h2 { margin-bottom: var(--space-4); }
.section-header p { color: var(--color-text-muted); font-size: var(--text-lg); }

/* ============================================================
   SERVICE CARDS
   ============================================================ */
.service-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--duration-md) var(--ease), box-shadow var(--duration-md) var(--ease);
}
.service-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
}
.service-card__icon {
  width: 56px;
  height: 56px;
  border-radius: var(--radius-lg);
  background: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: var(--space-6);
  font-size: 1.5rem;
}
.service-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.service-card p {
  color: var(--color-text-muted);
  font-size: var(--text-base);
  margin-bottom: var(--space-6);
}
.service-card__link {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-green);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}
.service-card__link::after { content: ' →'; }

/* ============================================================
   ABOUT STRIP (homepage teaser)
   ============================================================ */
.about-strip {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0;
  min-height: 560px;
}
.about-strip__image {
  position: relative;
  overflow: hidden;
}
.about-strip__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-lg) var(--ease);
}
.about-strip__image:hover img { transform: scale(1.03); }
.about-strip__content {
  background: var(--color-cream);
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: clamp(var(--space-12), 6vw, var(--space-24));
}
.about-strip__content .tag {
  display: inline-block;
  color: var(--color-green);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-4);
}
.about-strip__content h2 { margin-bottom: var(--space-6); }
.about-strip__content p  { margin-bottom: var(--space-8); color: var(--color-text-muted); }

@media (max-width: 768px) {
  .about-strip {
    grid-template-columns: 1fr;
  }
  .about-strip__image { min-height: 300px; }
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonial-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-8);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  position: relative;
}
.testimonial-card::before {
  content: '"';
  font-family: var(--font-heading);
  font-size: 5rem;
  line-height: 1;
  color: var(--color-sage);
  position: absolute;
  top: var(--space-4);
  left: var(--space-6);
  opacity: 0.6;
}
.testimonial-card__text {
  font-family: var(--font-heading);
  font-style: italic;
  font-size: var(--text-lg);
  color: var(--color-heading);
  line-height: var(--leading-loose);
  margin-bottom: var(--space-6);
  padding-top: var(--space-6);
}
.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.testimonial-card__author-info strong {
  display: block;
  font-size: var(--text-sm);
  font-weight: 700;
  color: var(--color-heading);
}
.testimonial-card__author-info span {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}
.testimonial-card__stars {
  color: #F5A623;
  font-size: var(--text-sm);
  margin-bottom: var(--space-2);
  letter-spacing: 2px;
}

/* ============================================================
   CAPSULAS / BLOG
   ============================================================ */
.capsula-card {
  border-radius: var(--radius-xl);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--color-border);
  transition: transform var(--duration-md) var(--ease), box-shadow var(--duration-md) var(--ease);
}
.capsula-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-md);
}
.capsula-card__image {
  aspect-ratio: 16 / 9;
  overflow: hidden;
}
.capsula-card__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--duration-lg) var(--ease);
}
.capsula-card:hover .capsula-card__image img { transform: scale(1.05); }
.capsula-card__body { padding: var(--space-6); }
.capsula-card__tag {
  display: inline-block;
  background: var(--color-cream);
  color: var(--color-green);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-3);
  border-radius: var(--radius-full);
  margin-bottom: var(--space-3);
}
.capsula-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-3);
}
.capsula-card h3 a { color: var(--color-heading); }
.capsula-card h3 a:hover { color: var(--color-green); }
.capsula-card p { font-size: var(--text-sm); color: var(--color-text-muted); margin-bottom: var(--space-4); }
.capsula-card__meta {
  font-size: var(--text-xs);
  color: var(--color-text-muted);
}

/* ============================================================
   PRICING
   ============================================================ */
.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: var(--space-6);
  align-items: start;
}
.pricing-card {
  background: #fff;
  border-radius: var(--radius-xl);
  padding: var(--space-10);
  border: 2px solid var(--color-border);
  transition: border-color var(--duration-md) var(--ease), box-shadow var(--duration-md) var(--ease);
}
.pricing-card:hover {
  border-color: var(--color-green);
  box-shadow: var(--shadow-md);
}
.pricing-card--featured {
  border-color: var(--color-green);
  background: var(--color-heading);
  color: var(--color-white);
  position: relative;
}
.pricing-card--featured h3,
.pricing-card--featured p,
.pricing-card--featured li { color: var(--color-white); }
.pricing-card__badge {
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--color-green);
  color: #fff;
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: var(--space-1) var(--space-4);
  border-radius: var(--radius-full);
  white-space: nowrap;
}
.pricing-card h3 {
  font-size: var(--text-xl);
  margin-bottom: var(--space-2);
}
.pricing-card__price {
  font-family: var(--font-heading);
  font-size: var(--text-4xl);
  font-weight: 700;
  color: var(--color-green);
  margin-bottom: var(--space-2);
  line-height: 1;
}
.pricing-card--featured .pricing-card__price { color: var(--color-sage); }
.pricing-card__price sup { font-size: var(--text-xl); vertical-align: top; margin-top: 0.4em; }
.pricing-card__price span { font-size: var(--text-base); font-weight: 400; }
.pricing-card__desc { color: var(--color-text-muted); font-size: var(--text-sm); margin-bottom: var(--space-8); }
.pricing-card ul { margin-bottom: var(--space-8); }
.pricing-card li {
  display: flex;
  align-items: flex-start;
  gap: var(--space-3);
  font-size: var(--text-sm);
  color: var(--color-text-muted);
  padding-block: var(--space-2);
  border-bottom: 1px solid var(--color-border);
}
.pricing-card--featured li { border-bottom-color: rgba(255,255,255,0.1); }
.pricing-card li::before {
  content: '✓';
  color: var(--color-green);
  font-weight: 700;
  flex-shrink: 0;
}
.pricing-card--featured li::before { color: var(--color-sage); }
.pricing-card .btn { width: 100%; justify-content: center; }

/* ============================================================
   FAQ ACCORDION
   ============================================================ */
.faq { max-width: 720px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--color-border);
}
.faq-item:first-child { border-top: 1px solid var(--color-border); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  padding: var(--space-6) 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  cursor: pointer;
  text-align: left;
  font-family: var(--font-body);
  font-size: var(--text-lg);
  font-weight: 600;
  color: var(--color-heading);
  transition: color var(--duration-sm) var(--ease);
}
.faq-question:hover { color: var(--color-green); }
.faq-icon {
  width: 24px;
  height: 24px;
  border-radius: var(--radius-full);
  background: var(--color-cream);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  font-size: 1rem;
  color: var(--color-green);
  transition: transform var(--duration-md) var(--ease), background var(--duration-md) var(--ease);
}
.faq-item.is-open .faq-icon {
  transform: rotate(45deg);
  background: var(--color-green);
  color: #fff;
}
.faq-answer {
  display: none;
  padding-bottom: var(--space-6);
  color: var(--color-text-muted);
  line-height: var(--leading-loose);
}
.faq-item.is-open .faq-answer { display: block; }

/* ============================================================
   CTA BAND
   ============================================================ */
.cta-band {
  background: var(--color-heading);
  color: var(--color-white);
  text-align: center;
  padding-block: clamp(var(--space-16), 8vw, var(--space-24));
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -20%;
  width: 60%;
  height: 200%;
  background: radial-gradient(circle, rgba(114,158,112,0.15) 0%, transparent 60%);
  pointer-events: none;
}
.cta-band h2,
.cta-band p { color: var(--color-white); }
.cta-band h2 { margin-bottom: var(--space-4); }
.cta-band p  { margin-bottom: var(--space-8); color: rgba(255,255,255,0.75); font-size: var(--text-lg); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-heading);
  color: rgba(255,255,255,0.7);
  padding-top: var(--space-16);
  padding-bottom: var(--space-8);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: var(--space-12);
  margin-bottom: var(--space-12);
}
.footer-brand .site-logo__name { color: var(--color-white); }
.footer-brand .site-logo__sub  { color: rgba(255,255,255,0.4); }
.footer-brand p {
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
  margin-top: var(--space-4);
  line-height: var(--leading-loose);
}
.footer-col h4 {
  color: #fff;
  font-family: var(--font-body);
  font-size: var(--text-xs);
  font-weight: 700;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  margin-bottom: var(--space-5);
}
.footer-col ul { display: flex; flex-direction: column; gap: var(--space-3); }
.footer-col a {
  color: rgba(255,255,255,0.6);
  font-size: var(--text-sm);
  transition: color var(--duration-sm) var(--ease);
}
.footer-col a:hover { color: var(--color-sage); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: var(--space-8);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--text-xs);
  color: rgba(255,255,255,0.35);
}
.footer-social {
  display: flex;
  gap: var(--space-4);
}
.footer-social a {
  color: rgba(255,255,255,0.5);
  font-size: var(--text-base);
}
.footer-social a:hover { color: var(--color-sage); }

@media (max-width: 900px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 540px) {
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; gap: var(--space-3); text-align: center; }
}

/* ============================================================
   WHATSAPP FLOATING BUTTON
   ============================================================ */
.whatsapp-float {
  position: fixed;
  bottom: var(--space-8);
  right: var(--space-8);
  z-index: 200;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: var(--radius-full);
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px rgba(37,211,102,0.4);
  transition: transform var(--duration-md) var(--ease), box-shadow var(--duration-md) var(--ease);
  text-decoration: none;
}
.whatsapp-float:hover {
  transform: scale(1.1);
  box-shadow: 0 6px 28px rgba(37,211,102,0.5);
}

/* ============================================================
   UTILITIES
   ============================================================ */
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0,0,0,0);
  white-space: nowrap;
  border: 0;
}
.text-center { text-align: center; }
.text-left   { text-align: left; }
.mt-auto     { margin-top: auto; }
.mb-0        { margin-bottom: 0 !important; }
.mt-8        { margin-top: var(--space-8); }
.mt-12       { margin-top: var(--space-12); }

/* Scroll animation base states */
.fade-up {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity var(--duration-lg) var(--ease), transform var(--duration-lg) var(--ease);
}
.fade-up.is-visible {
  opacity: 1;
  transform: none;
}