/* ==========================================================================
   ALPHA 7 | UX SECURITY - MAIN DESIGN SYSTEM STYLESHEET
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. VARIABLES & DESIGN TOKENS
   -------------------------------------------------------------------------- */
:root {
  /* Colors */
  --primary-purple: #6d28d9;
  --primary-purple-hover: #5b21b6;
  --primary-purple-light: #7c3aed;
  --primary-purple-glow: rgba(124, 58, 237, 0.35);
  --purple-gradient: linear-gradient(135deg, #7c3aed 0%, #4c1d95 100%);
  
  --dark-bg: #0b0f19;
  --dark-surface: #131927;
  --dark-card: #1e293b;
  --dark-border: rgba(255, 255, 255, 0.1);
  
  --light-bg: #ffffff;
  --light-surface: #f8fafc;
  --light-card: #ffffff;
  --light-border: #e2e8f0;
  
  --text-main: #0f172a;
  --text-muted: #64748b;
  --text-white: #ffffff;
  --text-light-muted: #94a3b8;
  
  /* Fonts */
  --font-heading: 'Plus Jakarta Sans', sans-serif;
  --font-body: 'Inter', sans-serif;
  
  /* Shadows */
  --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
  --shadow-md: 0 4px 12px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 10px 25px rgba(15, 23, 42, 0.12);
  --shadow-purple: 0 10px 30px rgba(109, 40, 217, 0.3);
  
  /* Transitions */
  --transition-fast: 0.2s ease;
  --transition-normal: 0.3s ease;
  --transition-smooth: 0.4s cubic-bezier(0.16, 1, 0.3, 1);
  
  /* Layout */
  --container-max-width: 1240px;
  --header-height: 80px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-full: 9999px;
}

/* --------------------------------------------------------------------------
   2. GLOBAL RESET & BASE STYLES
   -------------------------------------------------------------------------- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

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

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  color: var(--text-main);
  line-height: 1.2;
  font-weight: 700;
}

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

ul {
  list-style: none;
}

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

button {
  cursor: pointer;
}

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 1.5rem;
}

/* --------------------------------------------------------------------------
   3. TYPOGRAPHY & UTILITY CLASSES
   -------------------------------------------------------------------------- */
.section-tag {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 1.5px;
  color: var(--primary-purple-light);
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-tag.light-tag {
  color: #a78bfa;
}

.section-title {
  font-size: 2.25rem;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--text-main);
  margin-bottom: 1rem;
}

.purple-text {
  background: linear-gradient(135deg, #a78bfa 0%, #7c3aed 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.text-white {
  color: var(--text-white) !important;
}

.text-muted {
  color: var(--text-light-muted) !important;
}

.text-center {
  text-align: center;
}

/* BUTTONS */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.75rem;
  border-radius: var(--radius-full);
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: var(--transition-smooth);
  white-space: nowrap;
}

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

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

.btn-whatsapp {
  background: #25d366;
  color: var(--text-white);
}

.btn-whatsapp:hover {
  background: #128c7e;
  transform: translateY(-2px);
}

.btn-outline-light {
  background: rgba(255, 255, 255, 0.05);
  color: var(--text-white);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
}

.btn-outline-light:hover {
  background: rgba(255, 255, 255, 0.15);
  border-color: var(--text-white);
  transform: translateY(-2px);
}

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

.btn-outline-purple:hover {
  background: var(--primary-purple);
  color: var(--text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-purple);
}

.btn-block {
  display: block;
  width: 100%;
  text-align: center;
}

/* ==========================================================================
   HEADER & NAVIGATION
   ========================================================================== */

.site-header {
  position: fixed;
  width: 100%;
  top: 0;
  left: 0;
  z-index: 1000;
  background: rgba(5, 11, 20, 0.85); /* Semi-transparent dark background */
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.05);
  transition: var(--transition-normal);
}

.site-header.scrolled {
  box-shadow: 0 4px 20px rgba(0,0,0,0.5);
  background: rgba(5, 11, 20, 0.95);
}

.header-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 0 5%;
  height: 80px;
  max-width: 1400px;
  margin: 0 auto;
}

.brand-logo {
  height: 38px;
  width: auto;
  transition: var(--transition-fast);
}

.nav-list {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.nav-link {
  font-family: var(--font-heading);
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: var(--text-white);
  padding: 0.5rem 0;
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--primary-purple);
  transition: var(--transition-normal);
  border-radius: 2px;
}

.nav-link:hover, .nav-link.active {
  color: var(--primary-purple);
}

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

/* DROPDOWN MENU */
.dropdown {
  position: relative;
}

.dropdown-menu {
  position: absolute;
  top: 100%;
  left: 0;
  width: 230px;
  background: var(--light-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-lg);
  padding: 0.75rem 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(10px);
  transition: var(--transition-normal);
  border: 1px solid var(--light-border);
  z-index: 1100;
}

.dropdown:hover .dropdown-menu {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.dropdown-menu li a {
  display: block;
  padding: 0.6rem 1.25rem;
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--text-main);
  transition: var(--transition-fast);
}

.dropdown-menu li a:hover {
  background: var(--light-surface);
  color: var(--primary-purple);
  padding-left: 1.5rem;
}

.header-cta-wrapper {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.hamburger-btn {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: transparent;
  padding: 6px;
}

.hamburger-btn span {
  width: 24px;
  height: 2px;
  background-color: var(--text-main);
  border-radius: 2px;
  transition: var(--transition-fast);
}

/* --------------------------------------------------------------------------
   5. HERO SECTION
   -------------------------------------------------------------------------- */
.hero-section {
  position: relative;
  background-color: #050b14;
  background-image: 
    linear-gradient(90deg, #050b14 0%, rgba(5, 11, 20, 0.95) 35%, rgba(5, 11, 20, 0.3) 65%, transparent 100%),
    url('assets/hero-bg.jpg');
  background-size: cover;
  background-position: center right;
  background-repeat: no-repeat;
  padding-top: calc(var(--header-height) + 5rem);
  padding-bottom: 8rem;
  color: var(--text-white);
  overflow: hidden;
}

.hero-bg-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, transparent 70%, #090d16 100%);
  pointer-events: none;
}

.hero-container {
  position: relative;
  display: grid;
  grid-template-columns: 60% 40%;
  gap: 3.5rem;
  align-items: center;
  z-index: 2;
}

.hero-title {
  font-size: 3rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-white);
  margin-bottom: 1.25rem;
}

.hero-subtitle {
  font-size: 1.125rem;
  color: #cbd5e1;
  max-width: 520px;
  margin-bottom: 2.5rem;
  font-weight: 400;
  line-height: 1.6;
}

/* HERO FEATURES QUICK BAR */
.hero-features-bar {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.75rem;
  margin-bottom: 2.5rem;
}

.feature-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  padding: 1rem 0.5rem;
  border-radius: var(--radius-md);
  backdrop-filter: blur(6px);
  transition: var(--transition-fast);
}

.feature-item:hover {
  background: rgba(124, 58, 237, 0.12);
  border-color: rgba(167, 139, 250, 0.3);
  transform: translateY(-3px);
}

.feature-icon {
  color: #a78bfa;
}

.feature-item span {
  font-family: var(--font-heading);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  color: #e2e8f0;
  line-height: 1.2;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
}

.hero-image-frame {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.6), 0 0 40px rgba(124, 58, 237, 0.2);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.hero-img {
  width: 100%;
  height: 480px;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.hero-image-frame:hover .hero-img {
  transform: scale(1.03);
}

/* --------------------------------------------------------------------------
   6. QUEM SOMOS SECTION
   -------------------------------------------------------------------------- */
.about-section {
  padding: 6rem 0;
  background-color: var(--light-bg);
}

.about-container {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-desc {
  font-size: 1.0625rem;
  color: var(--text-muted);
  margin-bottom: 2rem;
  line-height: 1.7;
}

.about-desc strong {
  color: var(--text-main);
}

.about-visual-col {
  position: relative;
}

.about-card-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.about-img {
  width: 100%;
  height: 460px;
  object-fit: cover;
  border-radius: var(--radius-lg);
}

/* FLOATING STATS BAR */
.stats-bar {
  position: absolute;
  bottom: 1rem;
  left: 1rem;
  right: 1rem;
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(16px);
  border-radius: var(--radius-md);
  padding: 1rem 1.25rem;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 0.5rem;
  box-shadow: var(--shadow-md);
  border: 1px solid rgba(226, 232, 240, 0.8);
}

.stat-box {
  display: flex;
  align-items: center;
  gap: 0.6rem;
}

.stat-icon {
  color: var(--primary-purple);
  flex-shrink: 0;
}

.stat-info {
  display: flex;
  flex-direction: column;
}

.stat-info strong {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--text-main);
  line-height: 1.1;
}

.stat-info span {
  font-size: 0.625rem;
  font-weight: 600;
  color: var(--text-muted);
  line-height: 1.1;
}

/* --------------------------------------------------------------------------
   7. NOSSAS SOLUÇÕES SECTION
   -------------------------------------------------------------------------- */
.solutions-section {
  padding: 6rem 0;
  background-color: var(--light-surface);
  border-top: 1px solid var(--light-border);
  border-bottom: 1px solid var(--light-border);
}

.section-header-center {
  text-align: center;
  max-width: 650px;
  margin: 0 auto 3.5rem auto;
}

.solutions-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.75rem;
}

.solution-card {
  background: var(--light-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--light-border);
  transition: var(--transition-smooth);
  display: flex;
  flex-direction: column;
}

.solution-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(124, 58, 237, 0.3);
}

.card-thumb {
  position: relative;
  height: 200px;
  overflow: hidden;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.solution-card:hover .card-thumb img {
  transform: scale(1.08);
}

.card-icon-badge {
  position: absolute;
  bottom: -18px;
  left: 1.25rem;
  width: 42px;
  height: 42px;
  background: var(--purple-gradient);
  color: var(--text-white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(109, 40, 217, 0.4);
  z-index: 2;
}

.card-body {
  padding: 2rem 1.25rem 1.5rem 1.25rem;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.card-title {
  font-size: 1.0625rem;
  font-weight: 800;
  margin-bottom: 0.6rem;
  color: var(--text-main);
}

.card-text {
  font-size: 0.875rem;
  color: var(--text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  flex: 1;
}

.card-link {
  font-family: var(--font-heading);
  font-size: 0.75rem;
  font-weight: 800;
  color: var(--primary-purple);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.card-link:hover {
  color: var(--primary-purple-hover);
  gap: 0.7rem;
}

/* --------------------------------------------------------------------------
   8. PROJETOS SECTION (DARK SCHEME)
   -------------------------------------------------------------------------- */
.projects-section {
  padding: 6rem 0;
  background-color: var(--dark-bg);
  color: var(--text-white);
}

.projects-container {
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 3.5rem;
  align-items: center;
}

.projects-desc {
  font-size: 1rem;
  margin-bottom: 2rem;
  line-height: 1.6;
}

.projects-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.25rem;
}

.project-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  height: 280px;
  box-shadow: 0 10px 25px rgba(0, 0, 0, 0.4);
}

.project-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.project-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 1.25rem 1rem;
  background: linear-gradient(180deg, transparent 0%, rgba(9, 13, 22, 0.95) 100%);
  display: flex;
  align-items: flex-end;
}

.project-category {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 700;
  color: var(--text-white);
}

.project-card:hover img {
  transform: scale(1.1);
}

/* --------------------------------------------------------------------------
   9. PRE-FOOTER CTA BANNER
   -------------------------------------------------------------------------- */
.cta-banner-section {
  background: var(--light-bg);
  padding: 4rem 0;
}

.cta-banner-box {
  background: linear-gradient(135deg, #0f172a 0%, #1e1b4b 100%);
  border-radius: var(--radius-lg);
  padding: 3rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  color: var(--text-white);
  box-shadow: var(--shadow-lg);
  border: 1px solid rgba(124, 58, 237, 0.2);
}

.cta-banner-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: rgba(124, 58, 237, 0.2);
  color: #a78bfa;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.cta-banner-text {
  flex: 1;
}

.cta-banner-text h3 {
  font-size: 1.5rem;
  color: var(--text-white);
  margin-bottom: 0.4rem;
}

.cta-banner-text p {
  color: var(--text-light-muted);
  font-size: 0.95rem;
}

/* --------------------------------------------------------------------------
   10. SITE FOOTER
   -------------------------------------------------------------------------- */
.site-footer {
  background-color: #060911;
  color: #94a3b8;
  padding-top: 5rem;
  border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-container {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1.25fr;
  gap: 3rem;
  margin-bottom: 4rem;
}

.footer-logo {
  height: 44px;
  width: auto;
  margin-bottom: 1.25rem;
  background: #ffffff;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

.contact-link {
  color: #94a3b8;
  transition: var(--transition-fast);
}

.contact-link:hover {
  color: #a78bfa;
}

.footer-brand-desc {
  font-size: 0.875rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  max-width: 320px;
}

.social-links {
  display: flex;
  gap: 0.75rem;
}

.social-icon {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: #cbd5e1;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.social-icon:hover {
  background: var(--primary-purple);
  color: var(--text-white);
  transform: translateY(-2px);
}

.footer-heading {
  font-family: var(--font-heading);
  font-size: 0.875rem;
  font-weight: 800;
  color: var(--text-white);
  letter-spacing: 0.5px;
  margin-bottom: 1.5rem;
}

.footer-links li {
  margin-bottom: 0.75rem;
}

.footer-links a {
  font-size: 0.875rem;
  color: #94a3b8;
}

.footer-links a:hover {
  color: var(--text-white);
  padding-left: 4px;
}

.footer-contact-info li {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.875rem;
  margin-bottom: 1rem;
  color: #94a3b8;
}

.footer-contact-info svg {
  color: #a78bfa;
  margin-top: 3px;
  flex-shrink: 0;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.06);
  padding: 1.5rem 0;
  font-size: 0.8125rem;
  color: #64748b;
}

/* --------------------------------------------------------------------------
   11. MODAL DIALOG FOR CONTACT / QUOTE
   -------------------------------------------------------------------------- */
.modal-backdrop {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(15, 23, 42, 0.8);
  backdrop-filter: blur(8px);
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition-normal);
  padding: 1.5rem;
}

.modal-backdrop.active {
  opacity: 1;
  visibility: visible;
}

.modal-dialog {
  background: var(--light-card);
  border-radius: var(--radius-lg);
  width: 100%;
  max-width: 540px;
  padding: 2.5rem;
  position: relative;
  box-shadow: 0 25px 50px rgba(0, 0, 0, 0.25);
  transform: scale(0.92);
  transition: var(--transition-smooth);
}

.modal-backdrop.active .modal-dialog {
  transform: scale(1);
}

.modal-close-btn {
  position: absolute;
  top: 1.25rem;
  right: 1.25rem;
  background: var(--light-surface);
  border-radius: 50%;
  width: 36px;
  height: 36px;
  font-size: 1.5rem;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-fast);
}

.modal-close-btn:hover {
  background: #e2e8f0;
  color: var(--text-main);
}

.modal-header {
  margin-bottom: 1.75rem;
}

.modal-header h3 {
  font-size: 1.5rem;
  margin-bottom: 0.4rem;
}

.modal-header p {
  font-size: 0.875rem;
  color: var(--text-muted);
}

.modal-form .form-group {
  margin-bottom: 1.25rem;
}

.modal-form label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--text-main);
  margin-bottom: 0.4rem;
}

.modal-form input,
.modal-form select,
.modal-form textarea {
  width: 100%;
  padding: 0.75rem 1rem;
  border: 1px solid var(--light-border);
  border-radius: var(--radius-sm);
  background: var(--light-surface);
  color: var(--text-main);
  transition: var(--transition-fast);
}

.modal-form input:focus,
.modal-form select:focus,
.modal-form textarea:focus {
  border-color: var(--primary-purple);
  background: var(--light-card);
  box-shadow: 0 0 0 3px rgba(124, 58, 237, 0.15);
}

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

.form-success-msg {
  display: none;
  text-align: center;
  padding: 2rem 0;
}

.form-success-msg h4 {
  font-size: 1.25rem;
  margin: 1rem 0 0.5rem 0;
}

.form-success-msg p {
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   12. RESPONSIVE MEDIA QUERIES
   -------------------------------------------------------------------------- */
@media (max-width: 1100px) {
  .hero-title {
    font-size: 2.4rem;
  }
  
  .projects-container {
    grid-template-columns: 1fr;
  }
  
  .projects-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

@media (max-width: 900px) {
  .hero-container,
  .about-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-visual {
    order: -1;
  }

  .footer-container {
    grid-template-columns: 1fr 1fr;
    gap: 2.5rem;
  }

  .cta-banner-box {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 768px) {
  .hamburger-btn {
    display: flex;
  }

  .nav-menu {
    position: fixed;
    top: var(--header-height);
    left: 0;
    width: 100%;
    background: var(--light-card);
    padding: 1.5rem;
    box-shadow: var(--shadow-lg);
    clip-path: circle(0% at 100% 0);
    transition: clip-path 0.4s ease-in-out;
  }

  .nav-menu.active {
    clip-path: circle(140% at 100% 0);
  }

  .nav-list {
    flex-direction: column;
    align-items: flex-start;
    gap: 1.25rem;
  }

  .hero-features-bar {
    grid-template-columns: repeat(2, 1fr);
  }

  .stats-bar {
    position: relative;
    bottom: auto;
    left: auto;
    right: auto;
    margin-top: 1rem;
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 520px) {
  .solutions-grid,
  .projects-grid {
    grid-template-columns: 1fr;
  }

  .footer-container {
    grid-template-columns: 1fr;
  }

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

  .hero-actions {
    flex-direction: column;
    width: 100%;
  }

  .hero-actions .btn {
    width: 100%;
  }
}