/* ===== LEONARDO OLIVEIRA PORTFOLIO ===== */
/* Clean, Modern, Fully Responsive */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700;800;900&display=swap');
@import url('https://fonts.googleapis.com/css2?family=Syne:wght@600;700;800&display=swap');

/* ===== ROOT & VARIABLES ===== */
:root {
  --primary: #0f3a7d;
  --primary-light: #1e40af;
  --secondary: #082055;
  --accent: #0ea5e9;
  --text-dark: #0f172a;
  --text-primary: #1e293b;
  --text-secondary: #64748b;
  --text-muted: #94a3b8;
  --bg-white: #ffffff;
  --bg-light: #f8fafc;
  --bg-gray: #f1f5f9;
  --border: #e2e8f0;
  --shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 1px 2px rgba(0, 0, 0, 0.04);
  --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
  --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.12), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
  --shadow-2xl: 0 25px 50px -12px rgba(0, 0, 0, 0.15);
  --transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
}

[data-theme="dark"] {
  --text-dark: #f1f5f9;
  --text-primary: #f1f5f9;
  --text-secondary: #cbd5e1;
  --text-muted: #64748b;
  --bg-white: #0f172a;
  --bg-light: #1a202c;
  --bg-gray: #1e293b;
  --border: #334155;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, sans-serif;
  color: var(--text-primary);
  background: var(--bg-white);
  line-height: 1.65;
  letter-spacing: 0.3px;
  overflow-x: hidden;
}

body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 15% 40%, rgba(15, 58, 125, 0.04) 0%, transparent 50%),
    radial-gradient(circle at 85% 80%, rgba(14, 165, 233, 0.04) 0%, transparent 50%);
  pointer-events: none;
  z-index: -1;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.25;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

p {
  color: var(--text-secondary);
  line-height: 1.75;
}

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

a:hover {
  color: var(--primary-light);
}

/* ===== HEADER ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.99) 0%, rgba(255, 255, 255, 0.95) 100%);
  backdrop-filter: blur(30px);
  border-bottom: 1px solid rgba(226, 232, 240, 0.4);
  z-index: 1000;
  transition: var(--transition);
  box-shadow: 0 0 0 0 rgba(0, 0, 0, 0);
}

.header.scrolled {
  box-shadow: 0 4px 20px rgba(15, 58, 125, 0.1);
  border-bottom-color: rgba(226, 232, 240, 0.8);
}

[data-theme="dark"] .header {
  background: linear-gradient(180deg, rgba(15, 23, 42, 0.99) 0%, rgba(15, 23, 42, 0.95) 100%);
}

.header-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 100%;
  padding: 0 2rem;
  max-width: 1600px;
  margin: 0 auto;
  width: 100%;
  box-sizing: border-box;
}

.logo {
  font-size: 1.3rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-family: 'Syne', sans-serif;
  transition: var(--transition);
  letter-spacing: -0.02em;
}

.logo:hover {
  letter-spacing: -0.01em;
  text-shadow: 0 0 20px rgba(15, 58, 125, 0.3);
}

/* ===== NAVIGATION ===== */
.navbar {
  display: none;
  position: fixed;
  top: 60px;
  left: 0;
  right: 0;
  background: var(--bg-white);
  border-bottom: 1px solid var(--border);
  max-height: calc(100vh - 60px);
  overflow-y: auto;
  z-index: 999;
  flex-direction: column;
  animation: slideDown 0.3s ease-out;
}

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

.navbar.active {
  display: flex;
}

[data-theme="dark"] .navbar {
  background: var(--bg-white);
}

.navbar ul {
  display: flex;
  flex-direction: column;
  list-style: none;
  width: 100%;
}

.navbar ul li {
  border-bottom: 1px solid var(--border);
}

.navbar ul li:last-child {
  border-bottom: none;
}

.nav-link {
  display: block;
  padding: 1.1rem 1.5rem;
  color: var(--text-secondary);
  font-weight: 500;
  transition: all 0.3s ease;
  width: 100%;
  box-sizing: border-box;
  position: relative;
  border-left: 4px solid transparent;
}

.nav-link:hover,
.nav-link.active {
  background: linear-gradient(90deg, rgba(15, 58, 125, 0.08) 0%, transparent 100%);
  color: var(--primary);
  border-left-color: var(--primary);
  padding-left: calc(1.5rem - 4px);
}

/* ===== HEADER CONTROLS ===== */
.header-controls {
  display: flex;
  gap: 0.75rem;
  align-items: center;
  flex-shrink: 0;
}

.theme-toggle {
  width: 40px;
  height: 40px;
  padding: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(15, 58, 125, 0.05);
  border: none;
  cursor: pointer;
  flex-shrink: 0;
  font-size: 1.3rem;
  transition: var(--transition);
  border-radius: 50%;
  color: var(--primary);
}

.theme-toggle:hover {
  background: rgba(15, 58, 125, 0.12);
  transform: rotate(180deg) scale(1.05);
}

.mobile-toggle {
  display: flex;
  width: 44px;
  height: 44px;
  flex-direction: column;
  gap: 5px;
  background: rgba(15, 58, 125, 0.05);
  border: none;
  cursor: pointer;
  padding: 0;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  border-radius: 8px;
  transition: var(--transition);
}

.mobile-toggle:hover {
  background: rgba(15, 58, 125, 0.12);
}

.mobile-toggle span {
  width: 22px;
  height: 2px;
  background: var(--text-primary);
  transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 1px;
}

.mobile-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== CONTAINER ===== */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 1rem;
  width: 100%;
  box-sizing: border-box;
}

.section {
  padding: 4rem 0;
}

.section:first-of-type {
  padding-top: 6rem;
}

/* ===== HERO SECTION ===== */
.hero {
  min-height: auto;
  display: flex;
  align-items: center;
  padding-top: 100px;
  padding-bottom: 3rem;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  display: none;
  top: -30%;
  right: -15%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 165, 233, 0.08) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero::after {
  content: '';
  position: absolute;
  display: none;
  bottom: -20%;
  left: -10%;
  width: 500px;
  height: 500px;
  background: radial-gradient(circle, rgba(15, 58, 125, 0.06) 0%, transparent 70%);
  border-radius: 50%;
  z-index: 0;
}

.hero-content {
  display: flex;
  flex-direction: column-reverse;
  gap: 2rem;
  align-items: center;
  position: relative;
  z-index: 1;
  width: 100%;
}

.hero-info {
  width: 100%;
  text-align: center;
}

.hero-title {
  margin-bottom: 1.5rem;
}

.hero-name {
  font-size: 1.75rem;
  font-weight: 900;
  line-height: 1.2;
  color: var(--text-primary);
  letter-spacing: -0.02em;
  margin-bottom: 0.5rem;
}

.hero-role {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--primary);
  margin-top: 0.5rem;
  letter-spacing: 0.3px;
  display: block;
}

.hero-description {
  font-size: 0.95rem;
  color: var(--text-secondary);
  margin-bottom: 1.5rem;
  max-width: 100%;
  line-height: 1.6;
}

.hero-buttons {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  width: 100%;
}

.btn {
  padding: 0.85rem 1.5rem;
  border-radius: 8px;
  font-weight: 600;
  font-size: 0.9rem;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  box-sizing: border-box;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  box-shadow: 0 4px 14px rgba(15, 58, 125, 0.3);
}

.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(15, 58, 125, 0.4);
}

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

.btn-outline:hover {
  background: var(--primary);
  color: white;
  box-shadow: 0 4px 14px rgba(15, 58, 125, 0.25);
}

.hero-visual {
  width: 100%;
  display: flex;
  justify-content: center;
}

.hero-image-wrapper {
  width: 240px;
  height: 300px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 4px;
  transition: var(--transition);
  position: relative;
}

.hero-image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

.hero-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: var(--bg-white);
  border-radius: 10px;
  z-index: 0;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  position: relative;
  z-index: 1;
  display: block;
  transition: var(--transition);
}

.hero-image-wrapper:hover {
  transform: translateY(-8px);
}

/* ===== SECTIONS ===== */
.section-header {
  text-align: center;
  margin-bottom: 3rem;
}

.section-title {
  font-size: 2rem;
  margin-bottom: 0.75rem;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* ===== GRADIENT TEXT ===== */
.gradient-text {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  font-weight: 800;
}

/* ===== ABOUT SECTION STYLES ===== */
.about-image-wrapper {
  position: relative;
  width: 200px;
  height: 240px;
  border-radius: 12px;
  overflow: hidden;
  box-shadow: var(--shadow-2xl);
  background: linear-gradient(135deg, var(--primary) 0%, var(--secondary) 100%);
  padding: 4px;
  transition: var(--transition);
  margin: 0 auto;
}

.about-image-wrapper::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(255, 255, 255, 0.3) 0%, transparent 100%);
  z-index: 2;
  pointer-events: none;
}

.about-image-wrapper::after {
  content: '';
  position: absolute;
  inset: 4px;
  background: var(--bg-white);
  border-radius: 10px;
  z-index: 0;
}

.about-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  border-radius: 10px;
  position: relative;
  z-index: 1;
  display: block;
  transition: var(--transition);
}

.about-image-wrapper:hover {
  transform: translateY(-8px);
  box-shadow: 0 30px 60px rgba(15, 58, 125, 0.2);
}

/* ===== ICON BUTTON ===== */
.icon-button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: white;
  text-decoration: none;
  font-size: 1.2rem;
  transition: var(--transition);
  box-shadow: var(--shadow-md);
  border: none;
  cursor: pointer;
}

.icon-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-lg);
  background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary) 100%);
}

.icon-button:active {
  transform: scale(0.95);
}

/* ===== CARDS & GRID ===== */
.grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.card {
  background: var(--bg-light);
  border-radius: 12px;
  padding: 1.5rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
  border: 1px solid var(--border);
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-lg);
  border-color: var(--accent);
}

/* ===== FORMS ===== */
input,
textarea {
  font-family: inherit;
  padding: 0.75rem 1rem;
  font-size: 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--bg-white);
  color: var(--text-primary);
  transition: var(--transition);
  width: 100%;
  box-sizing: border-box;
  margin-bottom: 1rem;
}

input:focus,
textarea:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(15, 58, 125, 0.1);
}

textarea {
  min-height: 120px;
  resize: vertical;
}

/* ===== FOOTER ===== */
footer {
  background: var(--bg-light);
  padding: 2rem 0;
  text-align: center;
  border-top: 1px solid var(--border);
  margin-top: 3rem;
}

footer p {
  font-size: 0.9rem;
  margin-bottom: 1rem;
  color: var(--text-secondary);
}

/* Footer links */
footer a {
  display: inline-flex;
  width: 44px;
  height: 44px;
  align-items: center;
  justify-content: center;
  background: white;
  border-radius: 50%;
  margin: 0 0.5rem;
  font-size: 1.2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

footer a:hover {
  background: var(--primary);
  color: white;
  transform: translateY(-3px);
  box-shadow: var(--shadow-lg);
}

/* ===== UTILITIES ===== */
img {
  max-width: 100%;
  height: auto;
  display: block;
}

.whatsapp-button {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background: #25d366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  cursor: pointer;
  box-shadow: var(--shadow-lg);
  transition: var(--transition);
  z-index: 999;
  color: white;
  text-decoration: none;
}

.whatsapp-button:hover {
  transform: scale(1.1);
  box-shadow: var(--shadow-xl);
}

/* ===== BREAKPOINTS ===== */

/* 480px - Small phones */
@media (min-width: 480px) {
  .header {
    height: 64px;
  }

  .header-content {
    padding: 0 1.5rem;
  }

  .logo {
    font-size: 1.4rem;
  }

  .navbar {
    top: 64px;
  }

  .nav-link {
    padding: 1.2rem 1.75rem;
    font-size: 1.05rem;
  }

  .theme-toggle {
    width: 42px;
    height: 42px;
    font-size: 1.4rem;
  }

  .mobile-toggle {
    width: 48px;
    height: 48px;
    gap: 6px;
  }

  .mobile-toggle span {
    width: 24px;
    height: 2.5px;
  }

  .hero {
    padding-top: 120px;
  }

  .hero-name {
    font-size: 2rem;
  }

  .hero-role {
    font-size: 1rem;
  }

  .hero-description {
    font-size: 1rem;
  }

  .hero-image-wrapper {
    width: 260px;
    height: 320px;
  }

  .hero-buttons {
    flex-direction: row;
    gap: 0.75rem;
    flex-wrap: wrap;
    justify-content: center;
  }

  .btn {
    width: auto;
  }

  .about-image-wrapper {
    width: 220px;
    height: 270px;
  }

  .icon-button {
    width: 46px;
    height: 46px;
    font-size: 1.25rem;
  }

  .section-title {
    font-size: 2.25rem;
  }
}

/* 600px - Mobile landscape */
@media (min-width: 600px) {
  .header {
    height: 68px;
  }

  .header-content {
    padding: 0 2.5rem;
  }

  .logo {
    font-size: 1.5rem;
  }

  .navbar {
    top: 68px;
  }

  .nav-link {
    padding: 1.3rem 2rem;
    font-size: 1.1rem;
  }

  .theme-toggle {
    width: 44px;
    height: 44px;
    font-size: 1.45rem;
  }

  .mobile-toggle {
    width: 50px;
    height: 50px;
  }

  .container {
    padding: 0 1.5rem;
  }

  .hero {
    min-height: 85vh;
    padding-top: 120px;
  }

  .hero-name {
    font-size: 2.25rem;
  }

  .hero-role {
    font-size: 1.1rem;
  }

  .hero-description {
    font-size: 1.05rem;
  }

  .hero-image-wrapper {
    width: 280px;
    height: 340px;
  }

  .btn {
    padding: 0.9rem 1.75rem;
    font-size: 0.95rem;
  }

  .about-image-wrapper {
    width: 240px;
    height: 300px;
  }

  .icon-button {
    width: 48px;
    height: 48px;
    font-size: 1.35rem;
  }

  .grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem;
  }

  .section-title {
    font-size: 2.5rem;
  }

  .whatsapp-button {
    bottom: 2.5rem;
    right: 2.5rem;
  }
}

/* 768px - Tablet */
@media (min-width: 768px) {
  .header {
    height: 76px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.95) 0%, rgba(255, 255, 255, 0.92) 100%);
  }

  [data-theme="dark"] .header {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.97) 0%, rgba(15, 23, 42, 0.93) 100%);
  }

  .header-content {
    padding: 0 3.5rem;
  }

  .logo {
    font-size: 1.65rem;
    margin-right: 1rem;
  }

  .navbar {
    display: flex !important;
    position: static;
    flex-direction: row;
    background: none;
    border: none;
    max-height: none;
    overflow: visible;
    gap: 2rem;
    flex: 1;
    margin-left: 2rem;
  }

  .navbar ul {
    display: flex;
    flex-direction: row;
    gap: 4rem;
  }

  .navbar ul li {
    border: none;
  }

  .nav-link {
    display: inline-block;
    padding: 0.75rem 0;
    width: auto;
    border: none;
    border-bottom: 2px solid transparent;
    position: relative;
    transition: all 0.3s ease;
    color: var(--text-primary);
    font-weight: 500;
    font-size: 1rem;
  }

  .nav-link::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: linear-gradient(90deg, var(--primary) 0%, var(--accent) 100%);
    transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  }

  .nav-link:hover::after,
  .nav-link.active::after {
    width: 100%;
  }

  .nav-link:hover,
  .nav-link.active {
    background: none;
    border-left: none;
    padding-left: 0;
    color: var(--primary);
  }

  .mobile-toggle {
    display: none !important;
  }

  .theme-toggle {
    width: 44px;
    height: 44px;
    font-size: 1.4rem;
  }

  .container {
    padding: 0 2rem;
  }

  .section {
    padding: 5rem 0;
  }

  .hero {
    min-height: 90vh;
    padding-top: 120px;
  }

  .hero::before,
  .hero::after {
    display: block;
  }

  .hero-content {
    flex-direction: row;
    gap: 3rem;
    align-items: center;
    text-align: left;
  }

  .hero-info {
    text-align: left;
  }

  .hero-name {
    font-size: 2.75rem;
  }

  .hero-role {
    font-size: 1.25rem;
  }

  .hero-description {
    font-size: 1.1rem;
    max-width: 520px;
    margin-bottom: 2rem;
  }

  .hero-buttons {
    flex-direction: row;
    gap: 1rem;
    justify-content: flex-start;
  }

  .btn {
    width: auto;
    padding: 0.85rem 1.5rem;
  }

  .hero-image-wrapper {
    width: 300px;
    height: 360px;
  }

  .hero-visual {
    justify-content: center;
  }

  .about-image-wrapper {
    width: 240px;
    height: 300px;
  }

  .icon-button {
    width: 48px;
    height: 48px;
    font-size: 1.35rem;
  }

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

  .card {
    padding: 2rem;
  }

  .section-title {
    font-size: 2.75rem;
  }

  .section-header {
    margin-bottom: 4rem;
  }
}

/* 1024px - Desktop */
@media (min-width: 1024px) {
  .header {
    height: 80px;
    background: linear-gradient(180deg, rgba(255, 255, 255, 0.93) 0%, rgba(255, 255, 255, 0.90) 100%);
  }

  [data-theme="dark"] .header {
    background: linear-gradient(180deg, rgba(15, 23, 42, 0.96) 0%, rgba(15, 23, 42, 0.92) 100%);
  }

  .header-content {
    padding: 0 4.5rem;
  }

  .logo {
    font-size: 1.8rem;
  }

  .navbar ul {
    gap: 4.5rem;
  }

  .nav-link {
    padding: 1rem 0;
    font-size: 1.05rem;
    font-weight: 500;
  }

  .theme-toggle {
    width: 48px;
    height: 48px;
    font-size: 1.5rem;
  }

  .container {
    max-width: 1200px;
    padding: 0 3rem;
  }

  .section {
    padding: 6rem 0;
  }

  .hero {
    min-height: 100vh;
  }

  .hero-content {
    gap: 5rem;
  }

  .hero-name {
    font-size: 3.5rem;
  }

  .hero-role {
    font-size: 1.35rem;
  }

  .hero-description {
    font-size: 1.15rem;
  }

  .hero-image-wrapper {
    width: 320px;
    height: 400px;
  }

  .btn {
    padding: 0.95rem 1.95rem;
    font-size: 1rem;
  }

  .about-image-wrapper {
    width: 280px;
    height: 350px;
  }

  .icon-button {
    width: 52px;
    height: 52px;
    font-size: 1.5rem;
  }

  .grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 2.5rem;
  }

  .card {
    padding: 2.25rem;
  }

  .section-title {
    font-size: 3rem;
  }

  input,
  textarea {
    padding: 1rem 1.25rem;
    font-size: 1rem;
  }

  footer a {
    width: 48px;
    height: 48px;
    font-size: 1.3rem;
    margin: 0 0.75rem;
  }
}

/* 1400px - Large desktop */
@media (min-width: 1400px) {
  .header-content {
    padding: 0 5rem;
  }

  .container {
    max-width: 1400px;
    padding: 0 4rem;
  }

  .header-content {
    padding: 0 4rem;
  }

  .grid {
    grid-template-columns: repeat(4, 1fr);
    gap: 3rem;
  }
}

/* ===== PRINT ===== */
@media print {
  .header,
  footer,
  .whatsapp-button {
    display: none;
  }
}

/* ===== SMOOTH ANIMATIONS ===== */
* {
  transition: background-color 0.3s ease, color 0.3s ease;
}

body.navbar-open {
  overflow: hidden;
}