/* 
 * 一枝红杏 (yzhx.my) - Neo-Brutalism 新野兽主义落地页样式表
 * Color Palette: Lemon Yellow (#FFE600), Electric Purple (#7000FF), Cyan (#00F0FF), Pink (#FF007F), Pitch Black (#0A0A0A)
 */

:root {
  --color-yellow: #FFE600;
  --color-purple: #7000FF;
  --color-purple-light: #8F2BFF;
  --color-cyan: #00F0FF;
  --color-pink: #FF007F;
  --color-orange: #FF6B00;
  --color-green: #00E676;
  --color-bg: #FFFDF5;
  --color-card-bg: #FFFFFF;
  --color-black: #0A0A0A;
  --color-gray-100: #F4F4F0;
  --color-gray-200: #E2E2DC;
  --color-gray-700: #4A4A4A;
  
  --border-thick: 3px solid var(--color-black);
  --border-extra-thick: 4px solid var(--color-black);
  --shadow-hard: 5px 5px 0px var(--color-black);
  --shadow-hard-lg: 8px 8px 0px var(--color-black);
  --shadow-hard-sm: 3px 3px 0px var(--color-black);

  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --radius-none: 0px;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-pill: 9999px;
}

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

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

body {
  font-family: var(--font-main);
  background-color: var(--color-bg);
  color: var(--color-black);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

/* Common Typography & Utilities */
h1, h2, h3, h4, h5, h6 {
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
}

a {
  color: inherit;
  text-decoration: none;
}

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

.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 1.5rem;
}

.section-padding {
  padding: 5rem 0;
}

/* Neo-Brutalism Base Classes */
.nb-card {
  background-color: var(--color-card-bg);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  transition: transform 0.15s ease, box-shadow 0.15s ease;
}

.nb-card:hover {
  transform: translate(-3px, -3px);
  box-shadow: var(--shadow-hard-lg);
}

.nb-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  padding: 0.85rem 1.75rem;
  font-size: 1.1rem;
  font-weight: 900;
  text-align: center;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  cursor: pointer;
  transition: transform 0.1s ease, box-shadow 0.1s ease, background-color 0.2s ease;
  user-select: none;
}

.nb-btn-primary {
  background-color: var(--color-yellow);
  color: var(--color-black);
}
.nb-btn-primary:hover {
  background-color: #FFF000;
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--color-black);
}
.nb-btn-primary:active {
  transform: translate(2px, 2px);
  box-shadow: 2px 2px 0px var(--color-black);
}

.nb-btn-purple {
  background-color: var(--color-purple);
  color: #FFFFFF;
}
.nb-btn-purple:hover {
  background-color: var(--color-purple-light);
  transform: translate(-2px, -2px);
  box-shadow: 7px 7px 0px var(--color-black);
}

.nb-btn-cyan {
  background-color: var(--color-cyan);
  color: var(--color-black);
}

.nb-btn-lg {
  padding: 1.1rem 2.25rem;
  font-size: 1.25rem;
}

/* Sticker Badge System */
.sticker-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.35rem 0.85rem;
  font-weight: 900;
  font-size: 0.85rem;
  text-transform: uppercase;
  border: 2px solid var(--color-black);
  box-shadow: 3px 3px 0px var(--color-black);
  white-space: nowrap;
}

.sticker-yellow { background-color: var(--color-yellow); color: var(--color-black); }
.sticker-purple { background-color: var(--color-purple); color: #FFFFFF; }
.sticker-pink { background-color: var(--color-pink); color: #FFFFFF; }
.sticker-cyan { background-color: var(--color-cyan); color: var(--color-black); }
.sticker-green { background-color: var(--color-green); color: var(--color-black); }
.sticker-orange { background-color: var(--color-orange); color: #FFFFFF; }

.rotate-left { transform: rotate(-3deg); }
.rotate-right { transform: rotate(3deg); }
.rotate-more-left { transform: rotate(-6deg); }

/* Section Header */
.section-header {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 3.5rem auto;
}

.section-header .section-tag {
  margin-bottom: 1rem;
}

.section-header h2 {
  font-size: 2.75rem;
  text-transform: uppercase;
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.15rem;
  color: var(--color-gray-700);
  font-weight: 600;
}

/* 1. Header / Navbar */
.navbar {
  position: sticky;
  top: 0;
  z-index: 1000;
  background-color: var(--color-yellow);
  border-bottom: var(--border-extra-thick);
  padding: 0.85rem 0;
}

.navbar .nav-container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.logo-brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--color-black);
}

.logo-icon {
  background-color: var(--color-purple);
  color: #FFFFFF;
  padding: 0.2rem 0.6rem;
  border: 2px solid var(--color-black);
  box-shadow: 2px 2px 0px var(--color-black);
  font-size: 1.1rem;
}

.nav-menu {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  list-style: none;
}

.nav-link {
  font-weight: 800;
  font-size: 1.05rem;
  padding: 0.4rem 0.75rem;
  border: 2px solid transparent;
  transition: all 0.15s ease;
}

.nav-link:hover {
  background-color: #FFFFFF;
  border: 2px solid var(--color-black);
  box-shadow: 2px 2px 0px var(--color-black);
  transform: translateY(-2px);
}

.nav-cta {
  font-size: 0.95rem;
  padding: 0.5rem 1.1rem;
}

/* Mobile Nav Toggle */
.mobile-nav-toggle {
  display: none;
  background: var(--color-card-bg);
  border: 2px solid var(--color-black);
  padding: 0.4rem 0.7rem;
  font-size: 1.3rem;
  cursor: pointer;
  box-shadow: 2px 2px 0px var(--color-black);
}

/* 2. Hero Section */
.hero-section {
  background-color: var(--color-purple);
  color: #FFFFFF;
  padding: 4.5rem 0 5rem 0;
  border-bottom: var(--border-extra-thick);
  position: relative;
  overflow: hidden;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 3rem;
  align-items: center;
}

.hero-content {
  z-index: 2;
}

.hero-badge-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.hero-title {
  font-size: 3.5rem;
  color: var(--color-yellow);
  text-shadow: 3px 3px 0px #000;
  margin-bottom: 1.2rem;
  line-height: 1.1;
}

.hero-title span {
  color: #FFFFFF;
  background-color: var(--color-black);
  padding: 0.1em 0.3em;
  display: inline-block;
  transform: rotate(-1deg);
}

.hero-subtitle {
  font-size: 1.35rem;
  font-weight: 700;
  color: #F0E6FF;
  margin-bottom: 2rem;
  max-width: 650px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1.25rem;
  margin-bottom: 2.5rem;
}

.hero-stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1rem;
  background: rgba(0, 0, 0, 0.35);
  border: var(--border-thick);
  padding: 1rem;
  box-shadow: var(--shadow-hard-sm);
}

.hero-stat-item {
  text-align: center;
  border-right: 2px dashed rgba(255, 255, 255, 0.3);
}
.hero-stat-item:last-child {
  border-right: none;
}

.hero-stat-value {
  font-size: 1.8rem;
  font-weight: 900;
  color: var(--color-yellow);
}

.hero-stat-label {
  font-size: 0.85rem;
  font-weight: 700;
  color: #D1C4E9;
}

/* Hero Widget Box */
.hero-widget-box {
  background-color: var(--color-yellow);
  color: var(--color-black);
  border: var(--border-extra-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 1.75rem;
  position: relative;
}

.widget-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: var(--border-thick);
  padding-bottom: 0.85rem;
  margin-bottom: 1.2rem;
}

.widget-title {
  font-size: 1.25rem;
  font-weight: 900;
}

.live-dot {
  width: 10px;
  height: 10px;
  background-color: var(--color-green);
  border: 1.5px solid #000;
  border-radius: 50%;
  display: inline-block;
  animation: blink 1.2s infinite alternate;
}

@keyframes blink {
  0% { opacity: 0.3; }
  100% { opacity: 1; }
}

.widget-speedtest-list {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.speedtest-item {
  background: #FFFFFF;
  border: 2px solid #000;
  padding: 0.65rem 0.85rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  box-shadow: 2px 2px 0px #000;
}

.speedtest-node {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 800;
  font-size: 0.95rem;
}

.speedtest-ms {
  font-weight: 900;
  color: var(--color-purple);
  background: #F0E5FF;
  padding: 0.15rem 0.5rem;
  border: 1px solid #000;
  font-size: 0.9rem;
}

/* Marquee Ticker */
.marquee-wrapper {
  background-color: var(--color-black);
  color: var(--color-yellow);
  border-bottom: var(--border-extra-thick);
  padding: 0.75rem 0;
  overflow: hidden;
  white-space: nowrap;
}

.marquee-content {
  display: inline-flex;
  gap: 2.5rem;
  animation: marquee 25s linear infinite;
  font-weight: 900;
  font-size: 1.1rem;
}

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

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

/* 3. Core Advantages Section */
.advantages-section {
  background-color: var(--color-bg);
  border-bottom: var(--border-extra-thick);
}

.advantages-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 2rem;
}

.adv-card {
  padding: 2.25rem 1.75rem;
  position: relative;
}

.adv-icon-box {
  width: 60px;
  height: 60px;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  margin-bottom: 1.25rem;
}

.adv-card h3 {
  font-size: 1.4rem;
  margin-bottom: 0.75rem;
}

.adv-card p {
  color: var(--color-gray-700);
  font-size: 1rem;
  font-weight: 600;
}

/* 4. Node Status & Latency Section */
.nodes-section {
  background-color: #F7F5FF;
  border-bottom: var(--border-extra-thick);
}

.nodes-control-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 2rem;
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 1rem 1.5rem;
}

.nodes-filter {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
}

.filter-btn {
  padding: 0.4rem 0.85rem;
  font-weight: 800;
  font-size: 0.9rem;
  border: 2px solid var(--color-black);
  background: var(--color-gray-100);
  cursor: pointer;
}
.filter-btn.active, .filter-btn:hover {
  background: var(--color-yellow);
  box-shadow: 2px 2px 0px #000;
}

.node-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 1.5rem;
}

.node-card {
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 1.25rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.node-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 1rem;
}

.node-flag-title {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 900;
  font-size: 1.1rem;
}

.node-ping-display {
  display: flex;
  align-items: center;
  justify-content: space-between;
  background-color: var(--color-gray-100);
  border: 2px solid #000;
  padding: 0.5rem 0.75rem;
  font-weight: 800;
  margin-bottom: 1rem;
}

.ping-val {
  font-size: 1.2rem;
  color: var(--color-purple);
  font-weight: 900;
}

.node-details {
  font-size: 0.85rem;
  color: var(--color-gray-700);
  font-weight: 700;
  display: flex;
  justify-content: space-between;
  border-top: 1px dashed #ccc;
  padding-top: 0.5rem;
}

/* 5. Pricing Section */
.pricing-section {
  background-color: var(--color-yellow);
  border-bottom: var(--border-extra-thick);
}

.pricing-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(270px, 1fr));
  gap: 2rem;
  align-items: stretch;
}

.pricing-card {
  background: #FFFFFF;
  border: var(--border-extra-thick);
  box-shadow: var(--shadow-hard-lg);
  padding: 2.25rem 1.5rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  position: relative;
}

.pricing-card.popular {
  background: #FFFDF0;
  border-color: var(--color-black);
  transform: scale(1.03);
}

.pricing-sticker-float {
  position: absolute;
  top: -15px;
  right: 15px;
}

.plan-title {
  font-size: 1.6rem;
  margin-bottom: 0.5rem;
}

.plan-price-box {
  margin: 1.25rem 0;
  display: flex;
  align-items: baseline;
  gap: 0.3rem;
}

.plan-currency {
  font-size: 1.5rem;
  font-weight: 900;
}

.plan-amount {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--color-purple);
  line-height: 1;
}

.plan-period {
  font-size: 1rem;
  font-weight: 800;
  color: var(--color-gray-700);
}

.plan-features {
  list-style: none;
  margin-bottom: 2rem;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-weight: 700;
  font-size: 0.95rem;
}

.plan-features li {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

/* 6. Testimonials / User Reviews Section */
.reviews-section {
  background-color: var(--color-bg);
  border-bottom: var(--border-extra-thick);
}

.reviews-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: 2rem;
}

.review-card {
  padding: 1.75rem;
}

.review-user-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1.2rem;
}

.review-avatar {
  width: 54px;
  height: 54px;
  border: var(--border-thick);
  box-shadow: 2px 2px 0px #000;
  font-size: 1.6rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--color-yellow);
}

.review-user-info h4 {
  font-size: 1.15rem;
  margin-bottom: 0.15rem;
}

.review-user-role {
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--color-gray-700);
}

.review-stars {
  color: #FFB800;
  font-size: 1.1rem;
  margin-bottom: 0.75rem;
}

.review-comment {
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: #222;
}

/* 7. FAQ Section */
.faq-section {
  background-color: #F2F0FF;
  border-bottom: var(--border-extra-thick);
}

.faq-accordion {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.faq-item {
  background-color: #FFFFFF;
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

.faq-question {
  padding: 1.25rem 1.5rem;
  font-size: 1.2rem;
  font-weight: 900;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  user-select: none;
  background-color: #FFFFFF;
  transition: background-color 0.2s ease;
}

.faq-question:hover {
  background-color: var(--color-yellow);
}

.faq-toggle-icon {
  font-size: 1.4rem;
  font-weight: 900;
  transition: transform 0.2s ease;
}

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

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease, padding 0.3s ease;
  background-color: #FAF9FF;
  border-top: 0px solid #000;
}

.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 1.25rem 1.5rem;
  border-top: var(--border-thick);
  font-weight: 600;
  color: var(--color-gray-700);
}

/* 8. Knowledge Base & Articles Section */
.kb-section {
  background-color: var(--color-bg);
  border-bottom: var(--border-extra-thick);
}

.kb-filter-row {
  display: flex;
  justify-content: center;
  gap: 0.75rem;
  margin-bottom: 2.5rem;
  flex-wrap: wrap;
}

.kb-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 2rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  padding: 1.75rem;
  cursor: pointer;
}

.article-category-badge {
  margin-bottom: 1rem;
}

.article-title {
  font-size: 1.25rem;
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.article-excerpt {
  font-size: 0.95rem;
  color: var(--color-gray-700);
  font-weight: 600;
  margin-bottom: 1.5rem;
  flex-grow: 1;
}

.article-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-top: 2px dashed var(--color-gray-200);
  padding-top: 1rem;
  font-size: 0.85rem;
  font-weight: 800;
}

.read-more-btn {
  color: var(--color-purple);
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  font-weight: 900;
}

/* Article Reader Modal Drawer */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.75);
  backdrop-filter: blur(4px);
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.modal-overlay.active {
  display: flex;
}

.article-modal {
  background-color: var(--color-bg);
  border: var(--border-extra-thick);
  box-shadow: 12px 12px 0px #000;
  width: 100%;
  max-width: 960px;
  max-height: 90vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  position: relative;
}

.modal-header {
  background-color: var(--color-yellow);
  border-bottom: var(--border-extra-thick);
  padding: 1.25rem 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.modal-title-text {
  font-size: 1.3rem;
  font-weight: 900;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  padding-right: 1rem;
}

.modal-close-btn {
  background: var(--color-black);
  color: #FFFFFF;
  border: 2px solid #000;
  width: 38px;
  height: 38px;
  font-size: 1.4rem;
  font-weight: 900;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 2px 2px 0px var(--color-pink);
}
.modal-close-btn:hover {
  background: var(--color-pink);
}

.modal-body-scroll {
  padding: 2.5rem 2rem;
  overflow-y: auto;
  font-size: 1.05rem;
  line-height: 1.8;
  color: #1A1A1A;
}

.article-full-content h1 {
  font-size: 2.2rem;
  margin-bottom: 1rem;
  border-bottom: var(--border-thick);
  padding-bottom: 0.75rem;
}

.article-full-content h2 {
  font-size: 1.6rem;
  margin: 2rem 0 1rem 0;
  background-color: var(--color-yellow);
  display: inline-block;
  padding: 0.2rem 0.6rem;
  border: 2px solid #000;
  box-shadow: 3px 3px 0px #000;
}

.article-full-content h3 {
  font-size: 1.3rem;
  margin: 1.5rem 0 0.75rem 0;
}

.article-full-content p {
  margin-bottom: 1.25rem;
  font-weight: 500;
}

.article-full-content ul, .article-full-content ol {
  margin: 0 0 1.5rem 1.5rem;
  font-weight: 600;
}

.article-full-content li {
  margin-bottom: 0.5rem;
}

.article-full-content blockquote {
  background-color: #F0E5FF;
  border-left: 6px solid var(--color-purple);
  border-top: 2px solid #000;
  border-right: 2px solid #000;
  border-bottom: 2px solid #000;
  box-shadow: 4px 4px 0px #000;
  padding: 1.25rem;
  margin: 1.5rem 0;
  font-weight: 700;
}

.article-cta-box {
  background-color: var(--color-yellow);
  border: var(--border-thick);
  box-shadow: var(--shadow-hard);
  padding: 1.5rem;
  margin: 2rem 0;
  text-align: center;
}

.article-cta-box h4 {
  font-size: 1.4rem;
  margin-bottom: 0.5rem;
}

/* 9. Footer */
.site-footer {
  background-color: var(--color-black);
  color: #FFFFFF;
  padding: 4rem 0 2rem 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.5fr;
  gap: 3rem;
  margin-bottom: 3rem;
}

.footer-brand h3 {
  font-size: 1.8rem;
  color: var(--color-yellow);
  margin-bottom: 1rem;
}

.footer-brand p {
  color: #BBB;
  font-weight: 500;
  margin-bottom: 1.5rem;
  max-width: 350px;
}

.footer-col h4 {
  font-size: 1.15rem;
  color: var(--color-yellow);
  margin-bottom: 1.25rem;
  text-transform: uppercase;
}

.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  font-weight: 600;
}

.footer-links a {
  color: #DDD;
  transition: color 0.15s ease;
}

.footer-links a:hover {
  color: var(--color-yellow);
  text-decoration: underline;
}

.footer-bottom {
  border-top: 1px solid #333;
  padding-top: 1.75rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.9rem;
  color: #888;
  font-weight: 600;
}

/* Responsive Media Queries */
@media (max-width: 1024px) {
  .hero-grid {
    grid-template-columns: 1fr;
  }
  .hero-title {
    font-size: 2.75rem;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
}

@media (max-width: 768px) {
  .navbar .nav-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background-color: var(--color-yellow);
    border-bottom: var(--border-extra-thick);
    flex-direction: column;
    padding: 1.5rem;
    gap: 1rem;
  }
  
  .navbar .nav-menu.active {
    display: flex;
  }

  .mobile-nav-toggle {
    display: block;
  }

  .hero-title {
    font-size: 2.2rem;
  }

  .section-header h2 {
    font-size: 2rem;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}