/* ==========================================================================
   IR Publicações - Site Institucional
   Aesthetic: Modern Sophistication + Tech Innovation
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:ital,wght@0,400;0,500;0,600;0,700;0,800;1,400;1,500&display=swap');

/* CSS Variables */
:root {
  /* Colors - Sophisticated light with tech accents */
  --color-bg: #ffffff;
  --color-bg-subtle: #f8fafc;
  --color-bg-muted: #f1f5f9;
  
  --color-text: #0f172a;
  --color-text-muted: #475569;
  --color-text-subtle: #94a3b8;
  
  --color-accent: #2563eb;
  --color-accent-dark: #1d4ed8;
  --color-accent-light: #3b82f6;
  --color-accent-glow: rgba(37, 99, 235, 0.15);
  
  --color-border: #e2e8f0;
  --color-border-dark: #cbd5e1;
  
  /* Dark section colors */
  --color-dark-bg: #0f172a;
  --color-dark-elevated: #1e293b;
  --color-dark-border: #334155;
  
  /* Gradient */
  --gradient-accent: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-subtle: linear-gradient(180deg, var(--color-bg-subtle) 0%, var(--color-bg) 100%);
  
  /* Typography */
  --font-sans: 'Plus Jakarta Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  
  /* Spacing */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2.5rem;
  --space-xl: 4rem;
  --space-2xl: 6rem;
  --space-3xl: 8rem;
  
  /* Border Radius */
  --radius-sm: 0.375rem;
  --radius-md: 0.5rem;
  --radius-lg: 0.75rem;
  --radius-xl: 1rem;
  
  /* Transitions */
  --ease-out-expo: cubic-bezier(0.16, 1, 0.3, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
}

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

* {
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

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

::selection {
  background-color: var(--color-accent);
  color: white;
}

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

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

/* Typography - Balanced */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-sans);
  font-weight: 700;
  line-height: 1.15;
  color: var(--color-text);
  letter-spacing: -0.02em;
}

h1 {
  font-size: clamp(2.25rem, 5vw, 3.75rem);
  font-weight: 800;
}

h2 {
  font-size: clamp(1.75rem, 4vw, 2.75rem);
}

h3 {
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 600;
}

p {
  font-size: 1.0625rem;
  max-width: 65ch;
}

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 var(--space-md);
}

@media (min-width: 768px) {
  .container {
    padding: 0 var(--space-lg);
  }
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.875rem 1.75rem;
  font-family: var(--font-sans);
  font-size: 0.9375rem;
  font-weight: 600;
  border: none;
  border-radius: var(--radius-md);
  cursor: pointer;
  transition: all var(--duration-base) var(--ease-out-expo);
}

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

.btn--primary:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px var(--color-accent-glow);
}

.btn--primary span {
  position: relative;
  z-index: 1;
}

.btn--outline {
  background-color: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border-dark);
}

.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

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

.btn--white:hover {
  background: var(--color-bg-subtle);
}

/* ==========================================================================
   Header
   ========================================================================== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: var(--space-sm) 0;
  transition: all var(--duration-base) var(--ease-out-expo);
}

.header--scrolled {
  background-color: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

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

.header__logo img {
  height: 2.25rem;
  width: auto;
}

.header__nav {
  display: none;
  align-items: center;
  gap: var(--space-lg);
}

@media (min-width: 900px) {
  .header__nav {
    display: flex;
  }
}

.header__nav a {
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--color-text-muted);
  position: relative;
}

.header__nav a::after {
  content: '';
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-accent);
  transition: width var(--duration-base) var(--ease-out-expo);
}

.header__nav a:hover {
  color: var(--color-text);
}

.header__nav a:hover::after {
  width: 100%;
}

.header__nav a.nav-highlight {
  color: var(--color-accent);
  font-weight: 600;
}

.header__nav a.nav-highlight::after {
  display: none;
}

/* Language Switcher */
.nav-lang {
  display: flex;
  align-items: center;
  gap: 4px;
  margin-left: var(--space-sm);
  padding-left: var(--space-sm);
  border-left: 1px solid var(--color-border);
}

.nav-lang a {
  display: flex;
  align-items: center;
  padding: 4px;
  text-decoration: none;
  border-radius: var(--radius-sm);
  transition: all var(--duration-fast);
  opacity: 0.5;
}

.nav-lang a:hover {
  opacity: 1;
  transform: scale(1.15);
}

.nav-lang a.active {
  opacity: 1;
}

.nav-lang a::after {
  display: none;
}

.nav-lang img {
  width: 24px;
  height: auto;
  border-radius: 2px;
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
}

/* Mobile nav */
.header__nav.open {
  display: flex;
  position: absolute;
  top: 100%;
  left: 0;
  right: 0;
  flex-direction: column;
  background: white;
  padding: var(--space-md);
  border-bottom: 1px solid var(--color-border);
  gap: var(--space-md);
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
}

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

.header__cta .btn {
  padding: 0.75rem 1.5rem;
  font-size: 0.875rem;
}

.header__mobile-toggle {
  display: flex;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: var(--space-xs);
}

@media (min-width: 900px) {
  .header__mobile-toggle {
    display: none;
  }
}

.header__mobile-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--color-text);
  border-radius: 2px;
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: var(--space-3xl) 0 var(--space-2xl);
  background: var(--gradient-subtle);
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60%;
  height: 100%;
  background: radial-gradient(ellipse at 70% 30%, var(--color-accent-glow) 0%, transparent 60%);
  pointer-events: none;
}

.hero__pattern {
  display: none;
}

.hero__inner {
  display: grid;
  gap: var(--space-xl);
  align-items: center;
  position: relative;
  z-index: 1;
}

@media (min-width: 1024px) {
  .hero__inner {
    grid-template-columns: 1.2fr 1fr;
    gap: var(--space-2xl);
  }
}

.hero__content {
  animation: fadeInUp 0.8s var(--ease-out-expo) forwards;
  opacity: 0;
}

@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.hero__badge {
  display: inline-flex;
  align-items: center;
  gap: var(--space-xs);
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
  box-shadow: 0 2px 8px rgba(0,0,0,0.04);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.1s forwards;
  opacity: 0;
}

.hero__badge::before {
  content: '';
  width: 6px;
  height: 6px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

.hero__title {
  margin-bottom: var(--space-md);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.15s forwards;
  opacity: 0;
}

.hero__title span {
  color: var(--color-accent);
}

.hero__description {
  font-size: 1.1875rem;
  color: var(--color-text-muted);
  margin-bottom: var(--space-lg);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.2s forwards;
  opacity: 0;
  line-height: 1.7;
}

.hero__buttons {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-sm);
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.25s forwards;
  opacity: 0;
}

.hero__visual {
  display: none;
  animation: fadeInUp 0.8s var(--ease-out-expo) 0.3s forwards;
  opacity: 0;
}

@media (min-width: 1024px) {
  .hero__visual {
    display: block;
  }
}

.hero__card {
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xl);
  padding: var(--space-lg);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  position: relative;
}

.hero__card::before {
  content: '';
  position: absolute;
  top: 0;
  left: var(--space-lg);
  right: var(--space-lg);
  height: 3px;
  background: var(--gradient-accent);
  border-radius: 0 0 4px 4px;
}

.hero__card-label {
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: var(--space-md);
}

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

.hero__stat {
  text-align: center;
  padding: var(--space-md);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.hero__stat:hover {
  background: var(--color-bg-muted);
  transform: translateY(-2px);
}

.hero__stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: var(--color-accent);
  line-height: 1;
  margin-bottom: var(--space-xs);
}

.hero__stat-label {
  font-size: 0.8125rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

/* ==========================================================================
   Section Styles
   ========================================================================== */
.section__header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto var(--space-xl);
}

.section__label {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--space-xs);
}

.section__title {
  margin-bottom: var(--space-sm);
}

.section__description {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  margin: 0 auto;
}

/* ==========================================================================
   Services Section
   ========================================================================== */
.services {
  padding: var(--space-3xl) 0;
}

.services__category {
  margin-bottom: var(--space-xl);
}

.services__category:last-child {
  margin-bottom: 0;
}

.services__category-title {
  font-size: 1.125rem;
  font-weight: 600;
  color: var(--color-accent);
  margin-bottom: var(--space-md);
}

.services__grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
  }
}

@media (min-width: 1024px) {
  .services__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

/* 4 columns for the last category (Gestão e Suporte) */
.services__category:last-child .services__grid {
  grid-template-columns: repeat(2, 1fr);
}

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

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

.service-card {
  padding: var(--space-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out-expo);
  text-align: center;
}

.service-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.08);
}

.service-card__icon {
  width: 48px;
  height: 48px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-sm);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.service-card:hover .service-card__icon {
  background: var(--color-accent);
}

.service-card__icon svg {
  width: 24px;
  height: 24px;
  color: var(--color-accent);
  transition: color var(--duration-base);
}

.service-card:hover .service-card__icon svg {
  color: white;
}

.service-card__number {
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--color-bg-muted);
  line-height: 1;
  margin-bottom: var(--space-md);
  transition: color var(--duration-base) var(--ease-out-expo);
}

.service-card:hover .service-card__number {
  color: var(--color-accent);
}

.service-card__title {
  font-size: 1rem;
  margin-bottom: var(--space-xs);
}

.service-card__description {
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* ==========================================================================
   Process Section - Dark
   ========================================================================== */
.process {
  padding: var(--space-3xl) 0;
  background: var(--color-dark-bg);
  color: white;
  position: relative;
}

.process .section__label {
  color: var(--color-accent-light);
}

.process .section__title {
  color: white;
}

.process .section__description {
  color: var(--color-text-subtle);
}

.process__timeline {
  display: grid;
  gap: var(--space-md);
  max-width: 900px;
  margin: 0 auto;
}

@media (min-width: 768px) {
  .process__timeline {
    gap: 0;
  }
  
  .process__timeline::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 2px;
    height: 60%;
    background: linear-gradient(180deg, transparent, var(--color-accent), transparent);
    opacity: 0.3;
  }
}

.process-step {
  display: grid;
  gap: var(--space-sm);
  padding: var(--space-md) 0;
}

@media (min-width: 768px) {
  .process-step {
    grid-template-columns: 1fr 80px 1fr;
    align-items: center;
    text-align: right;
    padding: var(--space-lg) 0;
  }
  
  .process-step:nth-child(even) {
    text-align: left;
  }
  
  .process-step:nth-child(even) .process-step__content {
    order: 3;
  }
  
  .process-step:nth-child(even) .process-step__number {
    order: 2;
  }
}

.process-step__number {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark-elevated);
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--color-accent-light);
  margin: 0 auto;
  transition: all var(--duration-base) var(--ease-out-expo);
}

.process-step:hover .process-step__number {
  background: var(--color-accent);
  color: white;
  transform: scale(1.05);
}

.process-step__content {
  padding: 0 var(--space-sm);
}

.process-step__title {
  font-size: 1.25rem;
  color: white;
  margin-bottom: 4px;
}

.process-step__description {
  color: var(--color-text-subtle);
  font-size: 0.9375rem;
}

/* ==========================================================================
   Why Us Section (Por que nos escolher)
   ========================================================================== */
.why-us {
  padding: var(--space-3xl) 0;
  background: var(--color-dark-bg);
  background-image: none;
  color: white;
}

.why-us .section__label {
  color: var(--color-accent-light);
}

.why-us .section__title {
  color: white;
}

.why-us .section__description {
  color: var(--color-text-subtle);
}

.why-us__grid {
  display: grid;
  gap: var(--space-md);
}

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

@media (min-width: 1024px) {
  .why-us__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.why-us__card {
  padding: var(--space-lg);
  background: var(--color-dark-elevated);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out-expo);
  text-align: center;
}

.why-us__card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.3);
}

.why-us__icon {
  width: 56px;
  height: 56px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-dark-bg);
  border: 1px solid var(--color-dark-border);
  border-radius: var(--radius-md);
  margin: 0 auto var(--space-md);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.why-us__card:hover .why-us__icon {
  background: var(--color-accent);
  border-color: var(--color-accent);
}

.why-us__icon svg {
  width: 26px;
  height: 26px;
  color: var(--color-accent-light);
  transition: color var(--duration-base);
}

.why-us__card:hover .why-us__icon svg {
  color: white;
}

.why-us__title {
  font-size: 1.125rem;
  color: white;
  margin-bottom: var(--space-xs);
}

.why-us__description {
  color: var(--color-text-subtle);
  font-size: 0.9375rem;
  line-height: 1.6;
}

/* ==========================================================================
   Clients Section
   ========================================================================== */
.clients {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-subtle);
}

/* Logo Slider */
.clients__slider-wrapper {
  position: relative;
  overflow: hidden;
  margin-bottom: var(--space-xl);
}

.clients__slider-wrapper::before,
.clients__slider-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 100px;
  z-index: 2;
  pointer-events: none;
}

.clients__slider-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--color-bg-subtle), transparent);
}

.clients__slider-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--color-bg-subtle), transparent);
}

.clients__slider {
  display: flex;
  gap: var(--space-xl);
  animation: slide 30s linear infinite;
  width: max-content;
}

.clients__slider:hover {
  animation-play-state: paused;
}

@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.clients__logo {
  flex-shrink: 0;
  height: 80px;
  width: 200px;
  padding: 12px 16px;
  object-fit: contain;
  background: white;
  border-radius: var(--radius-sm);
  opacity: 0.9;
  transition: all var(--duration-base) var(--ease-out-expo);
}

.clients__logo:hover {
  opacity: 1;
  transform: scale(1.05);
  box-shadow: 0 4px 12px rgba(0,0,0,0.1);
}

/* Fallback: Tags (caso queira usar também) */
.clients__categories {
  display: grid;
  gap: var(--space-lg);
  margin-bottom: var(--space-xl);
}

.clients__category-title {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--color-text-subtle);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: var(--space-sm);
}

.clients__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
}

.client-tag {
  display: inline-block;
  padding: 0.5rem 1rem;
  background: white;
  border: 1px solid var(--color-border);
  border-radius: 50px;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
  transition: all var(--duration-fast) var(--ease-out-expo);
}

.client-tag:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
  background: var(--color-accent-glow);
}

/* Testimonials within clients section */
.clients .testimonials__grid {
  margin-top: var(--space-xl);
}

/* ==========================================================================
   CTA Section
   ========================================================================== */
.cta-section {
  padding: var(--space-2xl) 0;
  background: var(--gradient-accent);
}

.cta-section__inner {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}

.cta-section__title {
  font-size: clamp(1.5rem, 3vw, 2.25rem);
  color: white;
  margin-bottom: var(--space-sm);
}

.cta-section__description {
  font-size: 1.0625rem;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: var(--space-lg);
}

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

.cta-section .btn--primary:hover {
  background: var(--color-bg-subtle);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.2);
}

.btn--large {
  padding: 1rem 2rem;
  font-size: 1rem;
}

/* ==========================================================================
   Values Section (Legacy - mantido para compatibilidade)
   ========================================================================== */
.values {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-subtle);
}

.values__grid {
  display: grid;
  gap: var(--space-md);
}

@media (min-width: 768px) {
  .values__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-lg);
  }
}

.value-card {
  text-align: center;
  padding: var(--space-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.value-card:hover {
  border-color: var(--color-accent);
  transform: translateY(-4px);
  box-shadow: 0 12px 30px rgba(0,0,0,0.06);
}

.value-card__icon {
  width: 64px;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto var(--space-md);
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.value-card:hover .value-card__icon {
  background: var(--color-accent);
}

.value-card__icon svg {
  width: 28px;
  height: 28px;
  color: var(--color-accent);
  transition: color var(--duration-base);
}

.value-card:hover .value-card__icon svg {
  color: white;
}

.value-card__title {
  margin-bottom: var(--space-xs);
}

.value-card__description {
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  margin: 0 auto;
}

/* ==========================================================================
   Testimonials Section
   ========================================================================== */
.testimonials {
  padding: var(--space-3xl) 0;
}

.testimonials__grid {
  display: grid;
  gap: var(--space-md);
}

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

@media (min-width: 1024px) {
  .testimonials__grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

.testimonial-card {
  padding: var(--space-lg);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.testimonial-card:hover {
  border-color: var(--color-border-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,0.06);
}

.testimonial-card__quote {
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--color-text-muted);
  margin-bottom: var(--space-md);
  position: relative;
  padding-left: var(--space-md);
  border-left: 3px solid var(--color-border);
}

.testimonial-card:hover .testimonial-card__quote {
  border-left-color: var(--color-accent);
}

.testimonial-card__author {
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.testimonial-card__avatar {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-accent);
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  font-weight: 700;
  color: white;
}

.testimonial-card__info h4 {
  font-size: 0.9375rem;
  font-weight: 600;
  margin-bottom: 2px;
}

.testimonial-card__info span {
  font-size: 0.8125rem;
  color: var(--color-text-subtle);
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
  padding: var(--space-3xl) 0;
  background: var(--color-bg-subtle);
}

.contact__inner {
  display: grid;
  gap: var(--space-xl);
}

@media (min-width: 900px) {
  .contact__inner {
    grid-template-columns: 1fr 1fr;
    align-items: center;
    gap: var(--space-2xl);
  }
}

.contact__content .section__title {
  text-align: left;
  margin-bottom: var(--space-sm);
}

.contact__description {
  color: var(--color-text-muted);
  font-size: 1.0625rem;
  max-width: 400px;
}

.contact__methods {
  display: grid;
  gap: var(--space-sm);
}

.contact-method {
  display: flex;
  align-items: center;
  gap: var(--space-md);
  padding: var(--space-md);
  background: white;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  transition: all var(--duration-base) var(--ease-out-expo);
}

.contact-method:hover {
  border-color: var(--color-accent);
  transform: translateX(4px);
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
}

.contact-method__icon {
  width: 52px;
  height: 52px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg-subtle);
  border-radius: var(--radius-md);
  flex-shrink: 0;
  transition: all var(--duration-base) var(--ease-out-expo);
}

.contact-method:hover .contact-method__icon {
  background: var(--color-accent);
}

.contact-method__icon svg {
  width: 22px;
  height: 22px;
  color: var(--color-accent);
  transition: color var(--duration-base);
}

.contact-method:hover .contact-method__icon svg {
  color: white;
}

.contact-method__label {
  display: block;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-text-subtle);
  margin-bottom: 2px;
}

.contact-method__value {
  font-size: 1rem;
  font-weight: 600;
  color: var(--color-text);
}

/* WhatsApp highlighted */
.contact-method--highlight {
  border-color: #25D366;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.05) 0%, white 100%);
}

.contact-method--highlight .contact-method__icon {
  background: #25D366;
}

.contact-method--highlight .contact-method__icon svg {
  color: white;
}

.contact-method--highlight:hover {
  border-color: #128C7E;
  background: linear-gradient(135deg, rgba(37, 211, 102, 0.1) 0%, white 100%);
}

.contact-method--highlight:hover .contact-method__icon {
  background: #128C7E;
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
  padding: var(--space-lg) 0;
  background-color: white;
  border-top: 1px solid var(--color-border);
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: var(--space-md);
  text-align: center;
}

@media (min-width: 768px) {
  .footer__inner {
    flex-direction: row;
    justify-content: space-between;
    text-align: left;
  }
}

.footer__logo img {
  height: 1.75rem;
  opacity: 0.7;
  transition: opacity var(--duration-fast);
}

.footer__logo:hover img {
  opacity: 1;
}

.footer__copy {
  font-size: 0.875rem;
  color: var(--color-text-subtle);
}

.footer__links {
  display: flex;
  gap: var(--space-lg);
}

.footer__links a {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text-muted);
}

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

/* ==========================================================================
   Scroll animations
   ========================================================================== */
.reveal {
  opacity: 0;
  transform: translateY(20px);
  transition: all 0.6s var(--ease-out-expo);
}

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

.stagger-children > * {
  opacity: 0;
  transform: translateY(15px);
  transition: all 0.5s var(--ease-out-expo);
}

.stagger-children.visible > *:nth-child(1) { transition-delay: 0s; }
.stagger-children.visible > *:nth-child(2) { transition-delay: 0.05s; }
.stagger-children.visible > *:nth-child(3) { transition-delay: 0.1s; }
.stagger-children.visible > *:nth-child(4) { transition-delay: 0.15s; }
.stagger-children.visible > *:nth-child(5) { transition-delay: 0.2s; }
.stagger-children.visible > *:nth-child(6) { transition-delay: 0.25s; }
.stagger-children.visible > *:nth-child(7) { transition-delay: 0.3s; }
.stagger-children.visible > *:nth-child(8) { transition-delay: 0.35s; }
.stagger-children.visible > *:nth-child(9) { transition-delay: 0.4s; }
.stagger-children.visible > *:nth-child(10) { transition-delay: 0.45s; }
.stagger-children.visible > *:nth-child(11) { transition-delay: 0.5s; }
.stagger-children.visible > *:nth-child(12) { transition-delay: 0.55s; }

.stagger-children.visible > * {
  opacity: 1;
  transform: translateY(0);
}

/* ==========================================================================
   Utilities
   ========================================================================== */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}