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

:root {
  /* White theme variables */
  --bg: #ffffff;
  --text: #0f172a; /* Slate 900 */
  --text-muted: #475569; /* Slate 600 */
  --card-bg: #f8fafc; /* Slate 50 */
  --card-border: #e2e8f0; /* Slate 200 */
  --primary: #2563eb; /* Blue 600 */
  --primary-hover: #1d4ed8;
  --accent: #3b82f6; /* Blue 500 */
  --input-bg: #ffffff;
  --input-border: #cbd5e1; /* Slate 300 */
  --header-bg: rgba(255, 255, 255, 0.85);
  --shadow: 0 10px 30px -10px rgba(37, 99, 235, 0.08), 0 1px 3px rgba(0, 0, 0, 0.05);
  
  /* Dark theme footer variables */
  --bg-dark: #070a13; /* Deep dark blue-black */
  --text-dark: #f8fafc; /* Slate 50 */
  --text-muted-dark: #94a3b8; /* Slate 400 */
  --card-border-dark: #1e293b; /* Slate 800 */
  --primary-dark: #3b82f6; /* Blue 500 */
  --primary-hover-dark: #60a5fa;

  --transition-speed: 0.3s;
}

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

body {
  font-family: 'Outfit', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background-color: var(--bg);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  overflow-x: hidden;
  line-height: 1.6;
}

/* Header & Navigation */
header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: var(--header-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--card-border);
  box-shadow: 0 4px 30px rgba(0, 0, 0, 0.02);
}

.nav-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0.75rem 1.5rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: -0.025em;
  transition: color var(--transition-speed);
}

.logo svg {
  width: 32px;
  height: 32px;
  fill: currentColor;
}

.logo-text span {
  color: var(--text);
  font-weight: 500;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 1.75rem;
  list-style: none;
}

.nav-links a {
  text-decoration: none;
  color: var(--text-muted);
  font-weight: 500;
  font-size: 0.95rem;
  transition: color var(--transition-speed), transform var(--transition-speed);
  position: relative;
  padding: 0.25rem 0;
}

.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background-color: var(--primary);
  transition: width var(--transition-speed) ease;
}

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

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active-link {
  color: var(--primary);
}

.nav-links a.active-link::after {
  width: 100%;
}

/* Mobile Menu Button */
.menu-toggle {
  display: none;
  background: none;
  border: none;
  cursor: pointer;
  padding: 0.5rem;
}

.menu-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background-color: var(--text);
  margin: 5px 0;
  transition: 0.3s;
}

/* Hero Section */
.hero {
  padding: 8rem 1.5rem 4rem;
  min-height: 80vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

.hero-container {
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 4rem;
  align-items: center;
}

.hero-content {
  z-index: 10;
}

.hero-tag {
  display: inline-flex;
  align-items: center;
  padding: 0.5rem 1rem;
  border-radius: 9999px;
  background-color: color-mix(in srgb, var(--primary) 10%, transparent);
  color: var(--primary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 1.5rem;
  border: 1px solid color-mix(in srgb, var(--primary) 20%, transparent);
  animation: fadeInDown 0.8s ease-out;
}

.hero-title {
  font-size: 3.5rem;
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.03em;
  margin-bottom: 1.5rem;
  animation: fadeInUp 0.8s ease-out;
}

.hero-title span {
  background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-description {
  font-size: 1.15rem;
  color: var(--text-muted);
  margin-bottom: 2.5rem;
  max-width: 540px;
  animation: fadeInUp 1s ease-out;
}

.hero-buttons {
  display: flex;
  gap: 1rem;
  animation: fadeInUp 1.2s ease-out;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0.85rem 1.75rem;
  border-radius: 12px;
  font-size: 1rem;
  font-weight: 600;
  text-decoration: none;
  cursor: pointer;
  transition: all var(--transition-speed) cubic-bezier(0.4, 0, 0.2, 1);
}

.btn-primary {
  background-color: var(--primary);
  color: #ffffff;
  border: none;
  box-shadow: 0 4px 14px color-mix(in srgb, var(--primary) 30%, transparent);
}

.btn-primary:hover {
  background-color: var(--primary-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px color-mix(in srgb, var(--primary) 40%, transparent);
}

.btn-secondary {
  background-color: transparent;
  color: var(--text);
  border: 2px solid var(--card-border);
}

.btn-secondary:hover {
  background-color: var(--card-bg);
  border-color: var(--text-muted);
  transform: translateY(-2px);
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
  z-index: 5;
}

/* Vector Illustration CSS Setup */
.puppy-svg-container {
  width: 100%;
  max-width: 440px;
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
  animation: floatPuppy 5s ease-in-out infinite;
  transition: transform 0.4s ease;
}

.puppy-svg-container:hover {
  transform: translateY(-8px) scale(1.02);
}

/* Vector Animation Keyframes */
#svg-puppy-tail {
  transform-origin: 320px 290px;
  animation: wagTail 1s ease-in-out infinite;
}

#svg-led-display {
  animation: ledPulse 2s ease-in-out infinite alternate;
}

#svg-growth-arrow {
  animation: floatArrow 2.5s ease-in-out infinite;
}

#svg-sparkle-1 {
  transform-origin: 380px 170px;
  animation: sparkleAnim 2s infinite ease-in-out;
}

#svg-sparkle-2 {
  transform-origin: 120px 180px;
  animation: sparkleAnim 2s infinite ease-in-out;
  animation-delay: 0.7s;
}

@keyframes floatPuppy {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-12px); }
}

@keyframes wagTail {
  0%, 100% { transform: rotate(0deg); }
  50% { transform: rotate(18deg); }
}

@keyframes ledPulse {
  0% { opacity: 0.8; filter: drop-shadow(0 0 1px rgba(56, 189, 248, 0.5)); }
  100% { opacity: 1; filter: drop-shadow(0 0 8px rgba(56, 189, 248, 0.9)); }
}

@keyframes floatArrow {
  0%, 100% { transform: translateY(0px); }
  50% { transform: translateY(-8px); }
}

@keyframes sparkleAnim {
  0%, 100% { transform: scale(0.8); opacity: 0.3; }
  50% { transform: scale(1.25); opacity: 1; }
}

.hero-visual-glow {
  position: absolute;
  width: 380px;
  height: 380px;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--primary) 12%, transparent) 0%, transparent 70%);
  filter: blur(40px);
  z-index: 1;
  pointer-events: none;
}

/* Calculator Section */
.calculator-section {
  padding: 4rem 1.5rem;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
}

.section-header {
  text-align: center;
  max-width: 700px;
  margin: 0 auto 3rem;
}

.section-header h2 {
  font-size: 2.5rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.section-header p {
  color: var(--text-muted);
  font-size: 1.05rem;
}

.calculator-card {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  box-shadow: var(--shadow);
  padding: 2.5rem;
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
}

.calculator-form-container {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

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

label {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text);
  letter-spacing: 0.02em;
}

.input-style {
  width: 100%;
  padding: 0.85rem 1rem;
  border-radius: 12px;
  background-color: var(--input-bg);
  border: 1.5px solid var(--input-border);
  color: var(--text);
  font-family: inherit;
  font-size: 0.95rem;
  transition: all var(--transition-speed);
}

.input-style:focus {
  outline: none;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--primary) 15%, transparent);
}

.unit-toggle-container {
  display: flex;
  background-color: var(--input-bg);
  border: 1.5px solid var(--input-border);
  border-radius: 12px;
  padding: 0.25rem;
}

.unit-btn {
  flex: 1;
  background: none;
  border: none;
  padding: 0.5rem 1rem;
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  border-radius: 8px;
  transition: all var(--transition-speed);
}

.unit-btn.active {
  background-color: var(--primary);
  color: #ffffff;
}

.calculate-btn {
  margin-top: 1rem;
  width: 100%;
}

/* Calculator Results Display */
.calculator-results {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border-left: 1px solid var(--card-border);
  padding-left: 3rem;
  min-height: 400px;
}

/* Welcome state */
.results-placeholder {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  height: 100%;
  gap: 1rem;
  color: var(--text-muted);
}

.results-placeholder svg {
  width: 80px;
  height: 80px;
  color: color-mix(in srgb, var(--primary) 30%, transparent);
  animation: float 4s ease-in-out infinite;
}

/* Output display active state */
.results-output {
  display: none;
  flex-direction: column;
  gap: 2rem;
  animation: fadeIn 0.5s ease-out;
}

.predicted-weight-card {
  background: linear-gradient(135deg, color-mix(in srgb, var(--primary) 8%, transparent) 0%, color-mix(in srgb, var(--accent) 5%, transparent) 100%);
  border: 1.5px solid color-mix(in srgb, var(--primary) 20%, transparent);
  border-radius: 18px;
  padding: 1.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.predicted-weight-card h3 {
  font-size: 1.1rem;
  color: var(--primary);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.predicted-weight-value {
  font-size: 3rem;
  font-weight: 800;
  color: var(--text);
  line-height: 1.1;
  margin-bottom: 0.5rem;
}

.predicted-weight-range {
  font-size: 0.95rem;
  color: var(--text-muted);
}

/* SVG Chart styling */
.chart-container {
  width: 100%;
  background-color: var(--input-bg);
  border: 1px solid var(--card-border);
  border-radius: 16px;
  padding: 1.25rem;
}

.chart-title {
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--text-muted);
  margin-bottom: 0.75rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.chart-svg {
  width: 100%;
  height: 180px;
  overflow: visible;
}

.chart-line-ideal {
  stroke: var(--primary);
  stroke-width: 3;
  fill: none;
  stroke-dasharray: 1000;
  stroke-dashoffset: 1000;
  animation: drawLine 2s forwards ease-out;
}

.chart-line-shadow {
  stroke: var(--primary);
  stroke-width: 8;
  stroke-linecap: round;
  fill: none;
  opacity: 0.15;
}

.chart-area {
  fill: url(#chart-gradient);
  opacity: 0.1;
}

.chart-point {
  fill: var(--accent);
  stroke: var(--bg);
  stroke-width: 2.5;
  r: 6;
  transition: transform var(--transition-speed);
}

.chart-point:hover {
  transform: scale(1.5);
}

.chart-grid {
  stroke: var(--card-border);
  stroke-width: 1;
  stroke-dasharray: 4, 4;
}

.chart-axis-text {
  fill: var(--text-muted);
  font-size: 10px;
  font-family: inherit;
}

.chart-legend {
  display: flex;
  justify-content: center;
  gap: 1.5rem;
  font-size: 0.8rem;
  color: var(--text-muted);
  margin-top: 0.75rem;
}

.legend-item {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.legend-color {
  width: 12px;
  height: 4px;
  border-radius: 2px;
}

.legend-color.ideal {
  background-color: var(--primary);
}

.legend-color.current {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background-color: var(--accent);
}

.growth-insights {
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 14px;
  padding: 1rem 1.25rem;
  font-size: 0.9rem;
  display: flex;
  gap: 1rem;
  align-items: flex-start;
}

.growth-insights svg {
  width: 24px;
  height: 24px;
  color: var(--primary);
  flex-shrink: 0;
}

/* Content & SEO Sections */
.seo-content-section {
  padding: 4rem 1.5rem;
  max-width: 900px;
  margin: 0 auto;
}

.article-content {
  display: flex;
  flex-direction: column;
  gap: 2.5rem;
}

.article-content h1, 
.article-content h2, 
.article-content h3 {
  color: var(--text);
  letter-spacing: -0.02em;
}

.article-content h1 {
  font-size: 2.5rem;
  font-weight: 800;
}

.article-content h2 {
  font-size: 1.85rem;
  font-weight: 700;
  margin-top: 1rem;
  border-bottom: 2px solid var(--card-border);
  padding-bottom: 0.5rem;
}

.article-content h3 {
  font-size: 1.35rem;
  font-weight: 600;
}

.article-content p {
  color: var(--text-muted);
  font-size: 1.05rem;
  line-height: 1.75;
}

.article-content ul, .article-content ol {
  padding-left: 1.5rem;
  color: var(--text-muted);
  font-size: 1.05rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

/* FAQ Accordion Styling */
.faq-container {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.faq-item {
  border: 1px solid var(--card-border);
  background-color: var(--card-bg);
  border-radius: 12px;
  overflow: hidden;
  transition: all var(--transition-speed);
}

.faq-question {
  width: 100%;
  text-align: left;
  padding: 1.25rem 1.5rem;
  background: none;
  border: none;
  color: var(--text);
  font-family: inherit;
  font-size: 1.05rem;
  font-weight: 600;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 1.5rem;
  color: var(--text-muted);
  font-size: 0.95rem;
  border-top: 1px solid transparent;
}

.faq-item.active {
  border-color: var(--primary);
  box-shadow: var(--shadow);
}

.faq-item.active .faq-answer {
  max-height: 250px;
  padding: 1.25rem 1.5rem;
  border-top-color: var(--card-border);
}

.faq-icon {
  transition: transform 0.35s ease;
  color: var(--primary);
  width: 20px;
  height: 20px;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
}

/* Form Pages Layout (About, Contact, Privacy, Disclaimer) */
.page-hero {
  padding: 8rem 1.5rem 3rem;
  text-align: center;
  border-bottom: 1px solid var(--card-border);
  background: linear-gradient(180deg, var(--card-bg) 0%, transparent 100%);
}

.page-hero h1 {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  margin-bottom: 1rem;
}

.page-hero p {
  color: var(--text-muted);
  font-size: 1.15rem;
  max-width: 600px;
  margin: 0 auto;
}

.page-content-section {
  padding: 4rem 1.5rem;
  max-width: 800px;
  margin: 0 auto;
  width: 100%;
  flex-grow: 1;
}

/* Contact Us Styling */
.contact-container {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 3rem;
  background-color: var(--card-bg);
  border: 1px solid var(--card-border);
  border-radius: 24px;
  padding: 2.5rem;
  box-shadow: var(--shadow);
}

.contact-info {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-card {
  display: flex;
  gap: 1rem;
}

.contact-card-icon {
  width: 44px;
  height: 44px;
  background-color: color-mix(in srgb, var(--primary) 10%, transparent);
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary);
  flex-shrink: 0;
}

.contact-card-icon svg {
  width: 20px;
  height: 20px;
}

.contact-card-content h3 {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 0.25rem;
}

.contact-card-content p {
  font-size: 0.9rem;
  color: var(--text-muted);
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

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

/* Footer Section (Locked to Dark Theme) */
footer {
  background-color: var(--bg-dark);
  color: var(--text-dark);
  border-top: 1px solid var(--card-border-dark);
  padding: 4.5rem 1.5rem 2rem;
  position: relative;
  z-index: 10;
}

.footer-container {
  max-width: 1200px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-column {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--primary-dark);
  letter-spacing: -0.025em;
}

.footer-logo svg {
  width: 28px;
  height: 28px;
  fill: currentColor;
}

.footer-logo span {
  color: #ffffff;
  font-weight: 500;
}

.footer-description {
  color: var(--text-muted-dark);
  font-size: 0.9rem;
  line-height: 1.6;
}

.social-links {
  display: flex;
  gap: 0.75rem;
  list-style: none;
  margin-top: 0.5rem;
}

.social-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background-color: #1a2333;
  color: #94a3b8;
  text-decoration: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.social-btn svg {
  width: 18px;
  height: 18px;
  fill: currentColor;
}

/* Hover effects with exact brand colors */
.social-btn.facebook:hover {
  background-color: #1877F2;
  color: #ffffff;
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 15px rgba(24, 119, 242, 0.4);
}

.social-btn.twitter:hover {
  background-color: #1DA1F2;
  color: #ffffff;
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 15px rgba(29, 161, 242, 0.4);
}

.social-btn.instagram:hover {
  background-color: #E1306C;
  color: #ffffff;
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 15px rgba(225, 48, 108, 0.4);
}

.social-btn.youtube:hover {
  background-color: #FF0000;
  color: #ffffff;
  transform: translateY(-3px) scale(1.1);
  box-shadow: 0 4px 15px rgba(255, 0, 0, 0.4);
}

.footer-title {
  font-size: 0.95rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: #ffffff;
  position: relative;
}

.footer-title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 30px;
  height: 2px;
  background-color: var(--primary-dark);
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.footer-links a {
  text-decoration: none;
  color: var(--text-muted-dark);
  font-size: 0.9rem;
  transition: all 0.2s ease;
  display: inline-block;
}

.footer-links a:hover {
  color: #ffffff;
  transform: translateX(4px);
}

.footer-bottom {
  border-top: 1px solid #1a2333;
  padding-top: 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.85rem;
  color: var(--text-muted-dark);
}

.footer-bottom-links {
  display: flex;
  gap: 1.5rem;
}

.footer-bottom-links a {
  text-decoration: none;
  color: var(--text-muted-dark);
  transition: color 0.2s ease;
}

.footer-bottom-links a:hover {
  color: #ffffff;
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeInDown {
  from {
    opacity: 0;
    transform: translateY(-20px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes float {
  0% { transform: translateY(0px); }
  50% { transform: translateY(-10px); }
  100% { transform: translateY(0px); }
}

@keyframes drawLine {
  to { stroke-dashoffset: 0; }
}

/* Mobile Responsiveness */
@media (max-width: 992px) {
  .hero-container {
    grid-template-columns: 1fr;
    gap: 2rem;
    text-align: center;
  }
  
  .hero-content {
    display: flex;
    flex-direction: column;
    align-items: center;
  }
  
  .hero-title {
    font-size: 2.75rem;
  }
  
  .hero-description {
    margin: 0 auto 2rem;
  }
  
  .calculator-card {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .calculator-results {
    border-left: none;
    border-top: 1px solid var(--card-border);
    padding-left: 0;
    padding-top: 2rem;
    min-height: auto;
  }
  
  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }
  
  .contact-container {
    grid-template-columns: 1fr;
    gap: 2.5rem;
  }
}

@media (max-width: 768px) {
  .nav-links {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--header-bg);
    flex-direction: column;
    padding: 1.5rem;
    border-bottom: 1px solid var(--card-border);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.05);
  }
  
  .nav-links.mobile-active {
    display: flex;
  }
  
  .menu-toggle {
    display: block;
  }
  
  .menu-toggle.active span:nth-child(1) {
    transform: rotate(-45deg) translate(-5px, 6px);
  }
  
  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }
  
  .menu-toggle.active span:nth-child(3) {
    transform: rotate(45deg) translate(-5px, -6px);
  }
  
  .hero-title {
    font-size: 2.25rem;
  }
  
  .footer-container {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .footer-bottom {
    flex-direction: column;
    gap: 1rem;
    text-align: center;
  }
}