/* Design System for si5.net - Corporate AI Transformation & Innovative Solutions */
:root {
  --primary-dark: #0a2e22;     /* Deep Forest Green */
  --primary-mid: #0f4835;      /* Mid-tone Green */
  --primary-light: #e6f2ec;    /* Soft Mint Green background */
  --accent: #10b981;           /* Vibrant Emerald */
  --accent-hover: #059669;     /* Darker Emerald */
  --accent-light: #d1fae5;     /* Emerald Tint */
  --white: #ffffff;
  --bg-light: #f8faf9;         /* Off-white */
  --text-dark: #0f241e;        /* Dark forest text */
  --text-muted: #566f66;       /* Sage grey text */
  --border: #e2ede8;           /* Light Sage border */
  --shadow-sm: 0 2px 8px rgba(10, 46, 34, 0.04);
  --shadow-md: 0 8px 24px rgba(10, 46, 34, 0.06);
  --shadow-lg: 0 16px 40px rgba(10, 46, 34, 0.1);
  --radius: 12px;
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  color-scheme: light;
}

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: 80px;
}

body {
  font-family: "Inter", sans-serif;
  color: var(--text-dark);
  background: var(--white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

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

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

/* Typography */
h1, h2, h3, h4 {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  color: var(--primary-dark);
  line-height: 1.2;
}

h1 {
  font-size: clamp(2.5rem, 5vw, 4.2rem);
  letter-spacing: -0.02em;
}

h2 {
  font-size: clamp(2rem, 3.5vw, 2.8rem);
  letter-spacing: -0.01em;
}

h3 {
  font-size: clamp(1.3rem, 2vw, 1.8rem);
}

p {
  color: var(--text-muted);
}

/* Container */
.container {
  width: min(1200px, calc(100% - 40px));
  margin: 0 auto;
}

/* Header */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.site-header.scrolled {
  background: rgba(10, 46, 34, 0.95);
  border-bottom-color: rgba(255, 255, 255, 0.1);
}

.site-header.scrolled .brand-text strong {
  color: var(--white);
}

.site-header.scrolled .brand-text span {
  color: rgba(255, 255, 255, 0.7);
}

.site-header.scrolled .nav-links a {
  color: rgba(255, 255, 255, 0.8);
}

.site-header.scrolled .nav-links a:hover {
  color: var(--accent);
}

.site-header.scrolled .nav-links a.active {
  color: var(--white);
  background: var(--primary-mid);
}

.nav {
  height: 80px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
}

.brand-mark {
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  background: linear-gradient(135deg, var(--primary-dark), var(--primary-mid));
  color: var(--accent);
  font-family: "Outfit", sans-serif;
  font-weight: 800;
  font-size: 1.2rem;
  border-radius: 10px;
  box-shadow: 0 4px 12px rgba(10, 46, 34, 0.15);
}

.brand-text {
  display: flex;
  flex-direction: column;
}

.brand-text strong {
  font-size: 1.25rem;
  font-family: "Outfit", sans-serif;
  color: var(--primary-dark);
  line-height: 1.1;
  transition: var(--transition);
}

.brand-text span {
  font-size: 0.75rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 8px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 600;
  padding: 8px 16px;
  border-radius: 99px;
  color: var(--primary-dark);
}

.nav-links a:hover {
  color: var(--accent);
  background: rgba(16, 185, 129, 0.05);
}

.nav-links a.active {
  color: var(--primary-dark);
  background: var(--accent-light);
}

/* Sections */
section {
  padding: 100px 0;
}

.section-tag {
  display: inline-block;
  font-family: "Outfit", sans-serif;
  font-size: 0.8rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--accent);
  margin-bottom: 12px;
  background: var(--accent-light);
  padding: 4px 12px;
  border-radius: 99px;
}

.section-title {
  margin-bottom: 20px;
}

.section-desc {
  max-width: 700px;
  font-size: 1.15rem;
  margin-bottom: 50px;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-family: "Outfit", sans-serif;
  font-weight: 600;
  font-size: 1rem;
  padding: 12px 28px;
  border-radius: 8px;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
}

.btn-primary {
  background: var(--primary-dark);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(10, 46, 34, 0.2);
}

.btn-primary:hover {
  background: var(--primary-mid);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(10, 46, 34, 0.25);
}

.btn-accent {
  background: var(--accent);
  color: var(--white);
  box-shadow: 0 4px 14px rgba(16, 185, 129, 0.2);
}

.btn-accent:hover {
  background: var(--accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(16, 185, 129, 0.25);
}

.btn-secondary {
  background: var(--white);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
}

.btn-secondary:hover {
  background: var(--primary-light);
  transform: translateY(-2px);
}

.btn-link {
  padding: 0;
  border: none;
  background: none;
  color: var(--accent);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

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

.btn-link svg {
  transition: var(--transition);
}

.btn-link:hover svg {
  transform: translateX(4px);
}

/* Hero Section */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  padding-top: 140px;
  background: linear-gradient(135deg, var(--bg-light) 0%, var(--primary-light) 100%);
  overflow: hidden;
}

.hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background: radial-gradient(circle at 70% 30%, rgba(16, 185, 129, 0.08) 0%, transparent 60%);
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 40px;
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--white);
  padding: 6px 14px;
  border-radius: 99px;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  margin-bottom: 24px;
  font-size: 0.85rem;
  font-weight: 600;
}

.hero-badge span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  display: block;
  animation: pulse 2s infinite;
}

.hero h1 span {
  color: var(--accent);
}

.hero-text {
  font-size: 1.2rem;
  color: var(--text-muted);
  margin: 24px 0 36px 0;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: grid;
  place-items: center;
}

.hero-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--border);
  width: 100%;
  max-width: 440px;
  position: relative;
  z-index: 10;
  transform: rotate(-1deg);
  transition: var(--transition);
}

.hero-card:hover {
  transform: rotate(0) translateY(-5px);
}

.hero-card-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--border);
  padding-bottom: 12px;
}

.hero-card-title {
  font-size: 1rem;
  font-family: "Outfit", sans-serif;
  color: var(--primary-dark);
}

.hero-card-status {
  font-size: 0.75rem;
  background: var(--accent-light);
  color: var(--accent-hover);
  padding: 2px 8px;
  border-radius: 99px;
  font-weight: 700;
}

.hero-card-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.hero-stat-row {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.hero-stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
}

.hero-stat-value {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.hero-stat-bar {
  height: 6px;
  background: var(--primary-light);
  border-radius: 3px;
  overflow: hidden;
  margin-top: 4px;
}

.hero-stat-fill {
  height: 100%;
  background: var(--accent);
  border-radius: 3px;
}

/* Background floating shapes */
.floating-shapes {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 1;
}

.shape-1 {
  position: absolute;
  top: 20%;
  right: 10%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(16, 185, 129, 0.1) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 6s ease-in-out infinite;
}

.shape-2 {
  position: absolute;
  bottom: 10%;
  left: 5%;
  width: 200px;
  height: 200px;
  background: radial-gradient(circle, rgba(10, 46, 34, 0.05) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite alternate;
}

/* AI Transformation Section */
.transformation {
  background: var(--white);
}

.trans-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 30px;
}

.trans-card {
  background: var(--bg-light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 32px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}

.trans-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: transparent;
  transition: var(--transition);
}

.trans-card:hover {
  transform: translateY(-8px);
  background: var(--white);
  box-shadow: var(--shadow-md);
  border-color: rgba(16, 185, 129, 0.2);
}

.trans-card:hover::before {
  background: var(--accent);
}

.trans-icon {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: grid;
  place-items: center;
  margin-bottom: 24px;
  transition: var(--transition);
}

.trans-card:hover .trans-icon {
  background: var(--accent);
  color: var(--white);
  transform: scale(1.05);
}

.trans-icon svg {
  width: 26px;
  height: 26px;
}

.trans-card h3 {
  margin-bottom: 14px;
  font-size: 1.35rem;
}

.trans-card p {
  font-size: 0.95rem;
}

/* Products Section */
.products-section {
  background: var(--bg-light);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.product-showcase {
  display: grid;
  grid-template-columns: 1fr;
  gap: 60px;
}

.product-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 50px;
  align-items: center;
}

.product-row:nth-child(even) {
  grid-template-columns: 1fr 1fr;
}

.product-row:nth-child(even) .product-content {
  order: 2;
}

.product-row:nth-child(even) .product-preview {
  order: 1;
}

.product-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.product-badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 99px;
  margin-bottom: 16px;
}

.product-content h3 {
  font-size: 2.2rem;
  margin-bottom: 18px;
}

.product-content .desc {
  font-size: 1.1rem;
  margin-bottom: 24px;
}

.product-features-list {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-bottom: 30px;
  width: 100%;
}

.product-feature-item {
  display: flex;
  align-items: flex-start;
  gap: 10px;
}

.product-feature-item svg {
  color: var(--accent);
  flex-shrink: 0;
  margin-top: 4px;
}

.product-feature-item span {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--primary-dark);
}

.product-preview {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
  box-shadow: var(--shadow-md);
  position: relative;
  overflow: hidden;
  transition: var(--transition);
}

.product-row:hover .product-preview {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

/* Dashboard Mockup Styles */
.dashboard-mockup {
  background: #f8fafc;
  border-radius: 8px;
  border: 1px solid #e2e8f0;
  padding: 16px;
  font-family: sans-serif;
}

.mock-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border-bottom: 1px solid #e2e8f0;
  padding-bottom: 12px;
  margin-bottom: 16px;
}

.mock-logo {
  font-weight: 800;
  color: var(--primary-dark);
  font-size: 0.95rem;
}

.mock-nav {
  display: flex;
  gap: 8px;
}

.mock-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: #cbd5e1;
}

.mock-dot.active {
  background: var(--accent);
}

.mock-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 12px;
  margin-bottom: 16px;
}

.mock-card {
  background: var(--white);
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  padding: 12px;
  display: flex;
  flex-direction: column;
}

.mock-label {
  font-size: 0.7rem;
  color: #64748b;
  text-transform: uppercase;
  font-weight: 600;
}

.mock-val {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--primary-dark);
  margin-top: 4px;
}

.mock-trend {
  font-size: 0.65rem;
  color: #10b981;
  margin-top: 2px;
  display: flex;
  align-items: center;
  gap: 2px;
}

.mock-list {
  background: var(--white);
  border-radius: 6px;
  border: 1px solid #e2e8f0;
  padding: 12px;
}

.mock-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid #f1f5f9;
  font-size: 0.75rem;
}

.mock-item:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

.mock-item:first-child {
  padding-top: 0;
}

.mock-name {
  font-weight: 600;
  color: var(--primary-dark);
}

.mock-status {
  padding: 2px 6px;
  border-radius: 99px;
  font-size: 0.65rem;
  font-weight: 700;
}

.mock-status.green { background: #d1fae5; color: #065f46; }
.mock-status.blue { background: #dbeafe; color: #1e40af; }
.mock-status.orange { background: #ffedd5; color: #9a3412; }

/* Interactive Projects Showcase */
.portfolio {
  background: var(--white);
}

.portfolio-filter {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 40px;
  background: var(--bg-light);
  padding: 6px;
  border-radius: 50px;
  border: 1px solid var(--border);
  width: fit-content;
  margin-left: auto;
  margin-right: auto;
}

.filter-btn {
  border: none;
  background: transparent;
  padding: 10px 22px;
  border-radius: 99px;
  font-family: "Outfit", sans-serif;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-muted);
  cursor: pointer;
  transition: var(--transition);
}

.filter-btn:hover {
  color: var(--primary-dark);
}

.filter-btn.active {
  background: var(--primary-dark);
  color: var(--white);
  box-shadow: var(--shadow-sm);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
  gap: 30px;
}

.project-card {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
  height: 100%;
}

.project-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-md);
  border-color: rgba(16, 185, 129, 0.25);
}

.project-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.project-category {
  font-size: 0.7rem;
  font-weight: 700;
  color: var(--accent-hover);
  background: var(--accent-light);
  padding: 3px 10px;
  border-radius: 99px;
  text-transform: uppercase;
}

.project-number {
  font-family: "Outfit", sans-serif;
  font-weight: 700;
  font-size: 0.85rem;
  color: var(--text-muted);
  opacity: 0.7;
}

.project-card h4 {
  font-size: 1.25rem;
  margin-bottom: 12px;
  color: var(--primary-dark);
}

.project-card p {
  font-size: 0.9rem;
  margin-bottom: 20px;
  flex-grow: 1;
}

.project-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.project-tag {
  font-size: 0.75rem;
  background: var(--bg-light);
  border: 1px solid var(--border);
  padding: 2px 8px;
  border-radius: 4px;
  color: var(--text-dark);
  font-weight: 500;
}

/* Contact Section */
.contact-section {
  background: var(--primary-dark);
  color: var(--white);
  position: relative;
  overflow: hidden;
}

.contact-section::before {
  content: "";
  position: absolute;
  bottom: 0;
  right: 0;
  width: 40%;
  height: 100%;
  background: radial-gradient(circle at 80% 80%, rgba(16, 185, 129, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.contact-section h2, .contact-section h3 {
  color: var(--white);
}

.contact-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: 60px;
  align-items: start;
}

.contact-info {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.contact-desc {
  color: rgba(255, 255, 255, 0.75);
  font-size: 1.1rem;
  margin-bottom: 40px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 24px;
  width: 100%;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 16px;
}

.contact-icon {
  width: 48px;
  height: 48px;
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 8px;
  display: grid;
  place-items: center;
  color: var(--accent);
}

.contact-item-text strong {
  display: block;
  font-size: 0.8rem;
  text-transform: uppercase;
  color: rgba(255, 255, 255, 0.5);
  letter-spacing: 0.05em;
}

.contact-item-text a {
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--white);
}

.contact-item-text a:hover {
  color: var(--accent);
}

/* Mail Form */
.mail-form {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius);
  padding: 40px;
  backdrop-filter: blur(8px);
  box-shadow: var(--shadow-lg);
}

.form-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
  margin-bottom: 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group-full {
  grid-column: 1 / -1;
}

.mail-form label {
  font-size: 0.8rem;
  font-weight: 700;
  color: rgba(255, 255, 255, 0.8);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.mail-form input,
.mail-form select,
.mail-form textarea {
  background: rgba(255, 255, 255, 0.08);
  border: 1px solid rgba(255, 255, 255, 0.15);
  border-radius: 6px;
  padding: 12px 16px;
  color: var(--white);
  font-family: inherit;
  font-size: 0.95rem;
  outline: none;
  transition: var(--transition);
  width: 100%;
}

.mail-form select {
  cursor: pointer;
  appearance: none;
  -webkit-appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 24 24' stroke='white'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M19 9l-7 7-7-7'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  background-size: 16px;
  padding-right: 40px;
}

.mail-form select option {
  background: var(--primary-dark);
  color: var(--white);
}

.mail-form input::placeholder,
.mail-form textarea::placeholder {
  color: rgba(255, 255, 255, 0.4);
}

.mail-form input:focus,
.mail-form select:focus,
.mail-form textarea:focus {
  border-color: var(--accent);
  background: rgba(255, 255, 255, 0.12);
  box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.2);
}

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

.form-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.form-status {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent);
}

.form-status.error {
  color: #f87171;
}

/* Footer */
.footer {
  background: #061f17;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding: 30px 0;
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.55);
}

.footer-content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 16px;
}

/* Mobile Bottom Scrollable Navigation Menu */
.mobile-nav-bar {
  display: none;
}

/* Animations */
@keyframes pulse {
  0% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.5); }
  70% { transform: scale(1); box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
  100% { transform: scale(0.95); box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
}

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

/* Media Queries */
@media (max-width: 992px) {
  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 50px;
  }
  .hero-content {
    align-items: center;
  }
  .hero-visual {
    order: -1;
  }
  .product-row {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .product-row:nth-child(even) .product-content {
    order: 1;
  }
  .product-row:nth-child(even) .product-preview {
    order: 2;
  }
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
}

@media (max-width: 768px) {
  section {
    padding: 70px 0;
  }
  
  .site-header .nav-links {
    display: none; /* Hide top nav links on mobile */
  }
  
  .site-header {
    background: var(--white);
  }
  
  /* Fixed Bottom Scrollable Menu on Mobile */
  .mobile-nav-bar {
    display: block;
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: #ffffff;
    border-top: 1px solid var(--border);
    box-shadow: 0 -4px 16px rgba(10, 46, 34, 0.08);
    padding: 10px 0;
  }
  
  .mobile-nav-scroll {
    display: flex;
    overflow-x: auto;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    gap: 12px;
    padding: 0 16px;
  }
  
  /* Hide scrollbar but keep functionality */
  .mobile-nav-scroll::-webkit-scrollbar {
    display: none;
  }
  .mobile-nav-scroll {
    -ms-overflow-style: none;
    scrollbar-width: none;
  }
  
  .mobile-nav-item {
    scroll-snap-align: start;
    flex: 0 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 4px;
    padding: 6px 16px;
    border-radius: 30px;
    color: var(--text-muted);
    font-size: 0.75rem;
    font-weight: 600;
    transition: var(--transition);
    background: var(--bg-light);
    border: 1px solid var(--border);
  }
  
  .mobile-nav-item svg {
    width: 18px;
    height: 18px;
    color: var(--text-muted);
    transition: var(--transition);
  }
  
  .mobile-nav-item.active {
    background: var(--primary-dark);
    color: var(--white);
    border-color: var(--primary-dark);
  }
  
  .mobile-nav-item.active svg {
    color: var(--accent);
  }
  
  .form-grid {
    grid-template-columns: 1fr;
  }
  
  .mail-form {
    padding: 24px;
  }
  
  /* Add padding to body to prevent bottom nav from overlapping content */
  body {
    padding-bottom: 75px;
  }
}