/* ==========================================================================
   Google Fonts
   ========================================================================== */
@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600&family=Nunito:wght@700;800;900&display=swap');

/* ==========================================================================
   Design Tokens / Variables
   ========================================================================== */
:root {
  --color-primary: #0E6B7F;
  --color-primary-dark: #0A4F5E;
  --color-primary-light: rgba(14, 107, 127, 0.1);
  --color-accent: #8BC34A;
  --color-accent-hover: #7CB342;
  --color-white: #FFFFFF;
  --color-text-dark: #1A2B3C;
  --color-text-body: #4A5568;
  --color-text-muted: #6B7B8D;
  --color-bg-light: #F5F7FA;
  --color-bg-dark: #1A2B3C;
  --color-border: #E2E8F0;
  --color-whatsapp: #25D366;
  --color-star: #FFB400;
  --color-error: #F44336;

  --font-heading: 'Nunito', sans-serif;
  --font-body: 'Inter', sans-serif;

  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
  --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.1);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.14);

  --transition-fast: 0.2s ease;
  --transition-normal: 0.35s ease;

  --header-height: 72px;
  --section-padding: 64px;
  --container-max: 1200px;
}

@media (min-width: 1024px) {
  :root {
    --section-padding: 100px;
    --header-height: 80px;
  }
}

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

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

body {
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.7;
  color: var(--color-text-body);
  background-color: var(--color-white);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body.menu-open {
  overflow: hidden;
}

ul, ol {
  list-style: none;
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
}

/* Accessibility — visible focus */
:focus-visible {
  outline: 3px solid var(--color-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ==========================================================================
   Typography
   ========================================================================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--color-text-dark);
  line-height: 1.2;
  letter-spacing: -0.02em;
}

p {
  margin-bottom: 1rem;
}

.highlight {
  color: var(--color-accent);
}

.highlight-light {
  color: var(--color-white);
  opacity: 0.95;
}

/* ==========================================================================
   Layout
   ========================================================================== */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 20px;
}

/* ==========================================================================
   Section Headers
   ========================================================================== */
.section-header {
  text-align: center;
  margin-bottom: 48px;
}

.section-header h2 {
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 12px;
}

.section-header p {
  color: var(--color-text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  margin: 0 auto;
}

.section-tag {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary);
  background: var(--color-primary-light);
  padding: 6px 16px;
  border-radius: 50px;
  margin-bottom: 16px;
}

.section-tag-light {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.section-header-light h2 {
  color: var(--color-white);
}

.section-header-light p {
  color: rgba(255, 255, 255, 0.8);
}

/* ==========================================================================
   Buttons
   ========================================================================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  border: 2px solid transparent;
  transition: all var(--transition-fast);
  text-align: center;
  line-height: 1.4;
}

.btn:hover {
  transform: translateY(-2px);
}

.btn:active {
  transform: translateY(0);
}

.btn svg {
  flex-shrink: 0;
}

.btn-primary {
  background-color: var(--color-accent);
  color: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 4px 14px rgba(139, 195, 74, 0.35);
}

.btn-primary:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  box-shadow: 0 6px 20px rgba(139, 195, 74, 0.45);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-white);
  border-color: rgba(255, 255, 255, 0.6);
}

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

/* ==========================================================================
   HEADER
   ========================================================================== */
#header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: transparent;
  transition: background-color var(--transition-normal),
              box-shadow var(--transition-normal);
}

#header.scrolled {
  background-color: var(--color-white);
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: var(--header-height);
}

/* Logo */
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 1010;
}

.logo-icon {
  display: block;
  width: 40px;
  height: 40px;
}

.logo-text {
  font-family: var(--font-heading);
  font-size: 1.5rem;
  font-weight: 900;
  color: var(--color-white);
  transition: color var(--transition-normal);
}

#header.scrolled .logo-text {
  color: var(--color-primary);
}

#header.scrolled .logo-icon circle:first-child {
  stroke: var(--color-primary);
}

/* Hamburger */
.menu-toggle {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  width: 44px;
  height: 44px;
  background: none;
  border: none;
  cursor: pointer;
  z-index: 1010;
  padding: 0;
  gap: 6px;
}

.menu-toggle .bar {
  display: block;
  width: 24px;
  height: 2.5px;
  background-color: var(--color-white);
  border-radius: 2px;
  transition: all var(--transition-fast);
}

#header.scrolled .menu-toggle .bar {
  background-color: var(--color-text-dark);
}

.menu-toggle.active .bar:nth-child(1) {
  transform: translateY(8.5px) rotate(45deg);
}

.menu-toggle.active .bar:nth-child(2) {
  opacity: 0;
}

.menu-toggle.active .bar:nth-child(3) {
  transform: translateY(-8.5px) rotate(-45deg);
}

.menu-toggle.active .bar {
  background-color: var(--color-text-dark);
}

/* Navigation */
#main-nav {
  position: fixed;
  top: 0;
  right: -100%;
  width: min(80vw, 360px);
  height: 100vh;
  height: 100dvh;
  background-color: var(--color-white);
  box-shadow: var(--shadow-lg);
  padding: 100px 32px 40px;
  transition: right var(--transition-normal);
  z-index: 1005;
  overflow-y: auto;
}

#main-nav.active {
  right: 0;
}

#main-nav ul {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

#main-nav a {
  display: block;
  padding: 12px 16px;
  font-size: 1.05rem;
  font-weight: 500;
  color: var(--color-text-dark);
  border-radius: 10px;
  transition: background-color var(--transition-fast);
}

#main-nav a:hover,
#main-nav a.active {
  background-color: var(--color-bg-light);
  color: var(--color-primary);
}

#main-nav .btn-cta-header {
  background-color: var(--color-accent);
  color: var(--color-white);
  text-align: center;
  border-radius: 50px;
  margin-top: 16px;
  padding: 14px 24px;
  font-weight: 600;
}

#main-nav .btn-cta-header:hover {
  background-color: var(--color-accent-hover);
}

/* Desktop nav */
@media (min-width: 1024px) {
  .menu-toggle {
    display: none;
  }

  #main-nav {
    position: static;
    width: auto;
    height: auto;
    background: none;
    box-shadow: none;
    padding: 0;
    overflow: visible;
  }

  #main-nav ul {
    flex-direction: row;
    align-items: center;
    gap: 0;
  }

  #main-nav a {
    padding: 8px 14px;
    font-size: 0.9rem;
    color: var(--color-white);
    background: none;
    border-radius: 0;
  }

  #main-nav a:hover,
  #main-nav a.active {
    color: var(--color-accent);
    background: none;
  }

  #header.scrolled #main-nav a {
    color: var(--color-text-dark);
  }

  #header.scrolled #main-nav a:hover,
  #header.scrolled #main-nav a.active {
    color: var(--color-primary);
  }

  #main-nav .btn-cta-header {
    color: var(--color-white) !important;
    margin-top: 0;
    margin-left: 8px;
    padding: 10px 22px;
    font-size: 0.85rem;
  }
}

/* ==========================================================================
   HERO
   ========================================================================== */
.hero {
  position: relative;
  min-height: 100vh;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: url('images/hero.jpg') center/cover no-repeat;
  padding: 120px 0 140px;
  overflow: hidden;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    135deg,
    rgba(10, 79, 94, 0.88) 0%,
    rgba(14, 107, 127, 0.72) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 740px;
  margin: 0 auto;
}

.hero-content h1 {
  font-size: clamp(2.2rem, 5.5vw, 3.8rem);
  font-weight: 900;
  color: var(--color-white);
  margin-bottom: 20px;
  line-height: 1.1;
  letter-spacing: -0.03em;
}

.hero-sub {
  font-size: clamp(1rem, 2.2vw, 1.25rem);
  color: rgba(255, 255, 255, 0.9);
  margin-bottom: 36px;
  line-height: 1.6;
}

.hero-ctas {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: center;
}

@media (min-width: 480px) {
  .hero-ctas {
    flex-direction: row;
    justify-content: center;
  }
}

.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  z-index: 3;
  line-height: 0;
}

.hero-wave svg {
  display: block;
  width: 100%;
  height: 60px;
}

@media (min-width: 768px) {
  .hero-wave svg {
    height: 100px;
  }
}

/* ==========================================================================
   STATS BAR
   ========================================================================== */
.stats-section {
  background-color: var(--color-bg-light);
  padding: 48px 0;
  position: relative;
  z-index: 4;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 32px;
  text-align: center;
}

.stat-item {
  padding: 16px 8px;
}

.counter-number {
  display: block;
  font-family: var(--font-heading);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 900;
  color: var(--color-primary);
  line-height: 1.1;
  margin-bottom: 6px;
}

.stat-label {
  display: block;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--color-text-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

@media (min-width: 768px) {
  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ==========================================================================
   SERVICES
   ========================================================================== */
.services-section {
  background-color: var(--color-white);
  padding: var(--section-padding) 0;
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.service-card {
  background-color: var(--color-bg-light);
  border-radius: 16px;
  padding: 36px 28px;
  text-align: center;
  transition: transform var(--transition-normal),
              box-shadow var(--transition-normal);
  border: 1px solid transparent;
}

.service-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  background-color: var(--color-white);
  border-color: var(--color-border);
}

.service-icon {
  width: 64px;
  height: 64px;
  background: var(--color-primary-light);
  color: var(--color-primary);
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: background-color var(--transition-fast);
}

.service-card:hover .service-icon {
  background-color: var(--color-primary);
  color: var(--color-white);
}

.service-card:hover .service-icon svg {
  stroke: var(--color-white);
}

.service-card h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   DIFFERENTIALS
   ========================================================================== */
.differentials-section {
  background: var(--color-bg-light);
  padding: var(--section-padding) 0;
}

.differentials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.differential-item {
  text-align: center;
  padding: 32px 24px;
  background: var(--color-white);
  border-radius: 16px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.differential-icon {
  margin-bottom: 20px;
}

.differential-icon svg {
  display: inline-block;
}

.differential-item h3 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.differential-item p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
}

@media (min-width: 640px) {
  .differentials-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .differentials-grid { grid-template-columns: repeat(4, 1fr); }
}

/* ==========================================================================
   ABOUT / SOBRE
   ========================================================================== */
.about-section {
  position: relative;
  background: var(--color-primary);
  padding: var(--section-padding) 0;
  padding-top: calc(var(--section-padding) + 40px);
  padding-bottom: calc(var(--section-padding) + 60px);
  color: var(--color-white);
  overflow: hidden;
}

.about-wave-top {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 2;
}

.about-wave-top svg {
  display: block;
  width: 100%;
  height: 60px;
}

@media (min-width: 768px) {
  .about-wave-top svg {
    height: 100px;
  }
}

.about-wave-bottom {
  position: absolute;
  bottom: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 2;
}

.about-wave-bottom svg {
  display: block;
  width: 100%;
  height: 60px;
}

@media (min-width: 768px) {
  .about-wave-bottom svg {
    height: 100px;
  }
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 48px;
  align-items: center;
  position: relative;
  z-index: 3;
  padding-top: 40px;
}

@media (min-width: 1024px) {
  .about-grid {
    grid-template-columns: 1fr 1fr;
    padding-top: 20px;
  }
}

.about-text .section-tag {
  color: var(--color-white);
  background: rgba(255, 255, 255, 0.15);
}

.about-text h2 {
  color: var(--color-white);
  font-size: clamp(1.75rem, 3.5vw, 2.25rem);
  font-weight: 800;
  text-align: left;
}

.about-text .highlight {
  color: var(--color-accent);
}

.about-text p {
  color: rgba(255, 255, 255, 0.85);
  font-size: 1rem;
  line-height: 1.7;
}

.about-text .btn-primary {
  margin-top: 12px;
}

.about-images {
  position: relative;
}

.about-img-main {
  border-radius: 16px;
  box-shadow: var(--shadow-lg);
  width: 100%;
}

.about-img-secondary {
  border-radius: 12px;
  box-shadow: var(--shadow-md);
  width: 60%;
  margin-top: -60px;
  margin-left: auto;
  position: relative;
  z-index: 2;
  border: 4px solid var(--color-white);
}

@media (max-width: 639px) {
  .about-img-secondary {
    margin-top: -40px;
    width: 70%;
  }
}

/* ==========================================================================
   TESTIMONIALS
   ========================================================================== */
.testimonials-section {
  background: var(--color-bg-light);
  padding: var(--section-padding) 0;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.testimonial-card {
  background: var(--color-white);
  border-radius: 16px;
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  display: flex;
  flex-direction: column;
  gap: 16px;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal);
}

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

.testimonial-stars {
  display: flex;
  gap: 3px;
}

.testimonial-stars svg {
  display: inline-block;
}

.testimonial-card blockquote {
  flex: 1;
}

.testimonial-card blockquote p {
  font-size: 0.95rem;
  font-style: italic;
  color: var(--color-text-body);
  line-height: 1.7;
  margin: 0;
  position: relative;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 16px;
  border-top: 1px solid var(--color-border);
}

.author-avatar {
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--color-primary);
  color: var(--color-white);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.9rem;
  flex-shrink: 0;
}

.testimonial-author strong {
  display: block;
  font-size: 0.95rem;
  color: var(--color-text-dark);
}

.testimonial-author span {
  font-size: 0.8rem;
  color: var(--color-text-muted);
}

@media (min-width: 768px) {
  .testimonials-grid { grid-template-columns: repeat(3, 1fr); }
}

/* ==========================================================================
   LOCATION
   ========================================================================== */
.location-section {
  background: var(--color-white);
  padding: var(--section-padding) 0;
}

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

.location-map iframe {
  display: block;
  width: 100%;
  height: 350px;
  border-radius: 16px;
  box-shadow: var(--shadow-sm);
}

.location-info {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.info-block {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.info-block .info-icon {
  flex-shrink: 0;
  width: 44px;
  height: 44px;
  background: var(--color-primary-light);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.info-block .info-icon svg {
  display: block;
}

.info-block h4 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 4px;
}

.info-block p {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  margin-bottom: 0;
  line-height: 1.5;
}

.info-block a {
  color: var(--color-primary);
  font-weight: 500;
}

.info-block a:hover {
  text-decoration: underline;
}

@media (min-width: 768px) {
  .location-grid {
    grid-template-columns: 1.2fr 1fr;
    align-items: start;
  }
  .location-map iframe {
    height: 100%;
    min-height: 420px;
  }
}

/* ==========================================================================
   CONTACT FORM
   ========================================================================== */
.contact-section {
  position: relative;
  background: var(--color-primary);
  padding: var(--section-padding) 0;
  padding-top: calc(var(--section-padding) + 40px);
}

.contact-wave-top {
  position: absolute;
  top: -1px;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 2;
}

.contact-wave-top svg {
  display: block;
  width: 100%;
  height: 60px;
}

@media (min-width: 768px) {
  .contact-wave-top svg {
    height: 100px;
  }
}

.contact-form {
  background: var(--color-white);
  border-radius: 20px;
  padding: 36px 28px;
  max-width: 640px;
  margin: 0 auto;
  box-shadow: var(--shadow-lg);
  position: relative;
  z-index: 3;
}

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

@media (min-width: 640px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }
}

.form-group {
  margin-bottom: 16px;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--color-text-dark);
  margin-bottom: 6px;
}

.required {
  color: var(--color-error);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  height: 48px;
  padding: 0 16px;
  border: 1.5px solid var(--color-border);
  border-radius: 10px;
  background: var(--color-bg-light);
  color: var(--color-text-dark);
  transition: border-color var(--transition-fast),
              box-shadow var(--transition-fast);
}

.form-group textarea {
  height: auto;
  padding: 14px 16px;
  resize: vertical;
  min-height: 110px;
}

.form-group select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%236B7B8D' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(14, 107, 127, 0.12);
  background: var(--color-white);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--color-text-muted);
  opacity: 0.7;
}

.btn-submit {
  width: 100%;
  height: 52px;
  margin-top: 8px;
  font-size: 1.05rem;
  position: relative;
}

.btn-submit .btn-loading {
  display: none;
}

.btn-submit:disabled {
  opacity: 0.7;
  cursor: not-allowed;
}

.btn-submit:disabled .btn-text {
  display: none;
}

.btn-submit:disabled .btn-loading {
  display: inline-flex;
  animation: spin 1s linear infinite;
}

@keyframes spin {
  to { transform: rotate(360deg); }
}

/* Form Messages */
.form-message {
  text-align: center;
  padding: 40px 28px;
  max-width: 640px;
  margin: 0 auto;
  border-radius: 20px;
  background: var(--color-white);
  box-shadow: var(--shadow-lg);
  animation: fadeIn 0.5s ease;
}

.form-message svg {
  display: inline-block;
  margin-bottom: 16px;
}

.form-message h3 {
  font-size: 1.25rem;
  margin-bottom: 8px;
}

.form-success h3 { color: var(--color-accent-hover); }
.form-error h3 { color: var(--color-error); }

.form-message p {
  color: var(--color-text-muted);
  margin-bottom: 0;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

@media (min-width: 640px) {
  .contact-form {
    padding: 48px 40px;
  }
}

/* ==========================================================================
   FOOTER
   ========================================================================== */
.footer {
  background-color: var(--color-bg-dark);
  color: rgba(255, 255, 255, 0.65);
  padding-top: 64px;
}

.footer .logo-text {
  color: var(--color-white);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
  padding-bottom: 40px;
}

.footer-brand p {
  margin-top: 16px;
  font-size: 0.9rem;
  line-height: 1.6;
  color: rgba(255, 255, 255, 0.55);
}

.footer h4 {
  color: var(--color-white);
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 20px;
  letter-spacing: 0;
}

.footer-links ul,
.footer-services ul,
.footer-contact ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-links a,
.footer-services a {
  font-size: 0.9rem;
  transition: color var(--transition-fast);
}

.footer-links a:hover,
.footer-services a:hover {
  color: var(--color-white);
}

.footer-contact li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 0.9rem;
}

.footer-contact li svg {
  flex-shrink: 0;
  margin-top: 3px;
  opacity: 0.7;
}

.footer-contact a {
  color: rgba(255, 255, 255, 0.65);
}

.footer-contact a:hover {
  color: var(--color-white);
}

.footer-social {
  display: flex;
  gap: 12px;
  margin-top: 20px;
}

.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  transition: all var(--transition-fast);
}

.footer-social a svg {
  display: block;
}

.footer-social a:hover {
  background: var(--color-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 0.8rem;
  color: rgba(255, 255, 255, 0.4);
  margin-bottom: 4px;
}

@media (min-width: 768px) {
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1.5fr 1fr 1fr 1.3fr;
  }
}

/* ==========================================================================
   WHATSAPP FLOATING BUTTON
   ========================================================================== */
.whatsapp-float {
  position: fixed;
  bottom: 28px;
  right: 28px;
  width: 60px;
  height: 60px;
  background-color: var(--color-whatsapp);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 999;
  box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
  transition: transform var(--transition-fast),
              box-shadow var(--transition-fast);
  animation: waPulse 2.5s infinite;
}

.whatsapp-float:hover {
  transform: scale(1.1);
  animation: none;
  box-shadow: 0 6px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float svg {
  display: block;
}

@keyframes waPulse {
  0% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0.5); }
  70% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 0 0 16px rgba(37, 211, 102, 0); }
  100% { box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4), 0 0 0 0 rgba(37, 211, 102, 0); }
}

/* ==========================================================================
   SCROLL REVEAL ANIMATION
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.7s ease-out, transform 0.7s ease-out;
}

.reveal.revealed {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   UTILITY / MISC
   ========================================================================== */
.hidden {
  display: none !important;
}

/* Print styles */
@media print {
  .whatsapp-float,
  #header,
  .hero-wave,
  .about-wave-top,
  .about-wave-bottom,
  .contact-wave-top {
    display: none;
  }

  body {
    color: #000;
    background: #fff;
  }
}