:root {
  --primary-color: #0f766e;
  --secondary-color: #14b8a6;
  --accent-color: #f59e0b;
  --text-color: #1f2937;
  --light-text: #6b7280;
  --bg-color: #f9fafb;
  --bg-secondary: #f3f4f6;
  --white: #ffffff;
  --dark: #111827;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: 'Nunito', sans-serif;
  font-size: 1.125rem;
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-color);
  background-color: var(--bg-color);
}

h1, h2, h3, h4, h5, h6 {
  margin-top: 0;
  margin-bottom: 0;
  font-weight: 700;
  line-height: 1.3;
}

h1 {
  font-size: calc(1.875rem + 2.4vw);
}

h2 {
  font-size: calc(1.425rem + 1.1vw);
}

h3 {
  font-size: calc(1.375rem + .8vw);
}

h5 {
  font-size: 1.375rem;
}

p {
  margin-top: 0;
  margin-bottom: 1.25rem;
}

a {
  text-decoration: none;
  color: var(--primary-color);
  transition: color .3s ease-in-out, opacity .3s ease-in-out;
}

a:hover {
  color: var(--secondary-color);
  opacity: .9;
}

img {
  vertical-align: middle;
  max-width: 100%;
  height: auto;
}

.container {
  width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
  margin-right: auto;
  margin-left: auto;
}

.row {
  display: flex;
  flex-wrap: wrap;
  margin-right: -1rem;
  margin-left: -1rem;
}

.row > * {
  flex-shrink: 0;
  width: 100%;
  max-width: 100%;
  padding-right: 1rem;
  padding-left: 1rem;
}

.col-12 { width: 100%; }

.btn {
  display: inline-block;
  font-weight: 600;
  line-height: 1.3;
  text-align: center;
  cursor: pointer;
  user-select: none;
  border: 2px solid transparent;
  padding: .925rem 1.875rem;
  font-size: 1.0625rem;
  border-radius: 50px;
  transition: all .3s ease-in-out;
  text-decoration: none;
}

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

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

.btn-outline-light {
  color: var(--white);
  border-color: var(--white);
  background-color: transparent;
}

.btn-outline-light:hover {
  background-color: var(--white);
  color: var(--primary-color);
}

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

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

.btn-lg {
  padding: 1.125rem 2.25rem;
  font-size: 1.125rem;
}

.btn-sm {
  padding: .5rem 1rem;
  font-size: .875rem;
}

.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  background-color: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  border-bottom: 1px solid rgba(15, 118, 110, 0.1);
}

.navbar-brand {
  font-size: 1.75rem;
  font-weight: 800;
  color: var(--primary-color);
  text-decoration: none;
}

.navbar-brand:hover {
  color: var(--secondary-color);
}

.navbar-nav {
  display: flex;
  flex-direction: row;
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-item {
  margin-left: 1.5rem;
}

.nav-link {
  color: var(--text-color);
  font-weight: 500;
  padding: .5rem 0;
  transition: color .3s ease;
}

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

.navbar-toggler {
  background: none;
  border: none;
  font-size: 1.5rem;
  color: var(--primary-color);
}

.hero-section {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.9), rgba(20, 184, 166, 0.8)), url('../pixi/sqccw1.webp');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 100vh;
  display: flex;
  align-items: center;
  color: var(--white);
  position: relative;
  padding-top: 100px;
}

.hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.8), rgba(20, 184, 166, 0.6));
}

.hero-title {
  font-size: calc(2.5rem + 2vw);
  font-weight: 800;
  margin-bottom: 1.5rem;
  position: relative;
  z-index: 2;
}

.hero-subtitle {
  font-size: 1.375rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
  position: relative;
  z-index: 2;
}

.hero-buttons {
  position: relative;
  z-index: 2;
}

.bg-light {
  background-color: var(--bg-color);
}

.bg-white {
  background-color: var(--white);
}

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

.bg-dark {
  background-color: var(--dark);
}

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

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

.display-3 {
  font-size: calc(2rem + 3vw);
  font-weight: 800;
  line-height: 1.15;
}

.display-5 {
  font-size: calc(1.725rem + 1.8vw);
  font-weight: 700;
  line-height: 1.15;
}

.fs-1 {
  font-size: 1.625rem;
}

.fs-2 {
  font-size: 1.4375rem;
}

.fs-3 {
  font-size: 1.3125rem;
}

.fw-bold {
  font-weight: 700;
}

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

.text-lg-start {
  text-align: left;
}

.text-lg-end {
  text-align: right;
}

.py-lg-20 {
  padding-top: 5rem;
  padding-bottom: 5rem;
}

.py-12 {
  padding-top: 3.5rem;
  padding-bottom: 3.5rem;
}

.mb-4 { margin-bottom: 1.25rem; }
.mb-5 { margin-bottom: 1.5rem; }
.mb-6 { margin-bottom: 1.75rem; }
.mb-8 { margin-bottom: 2.25rem; }
.mb-12 { margin-bottom: 3.5rem; }
.mb-16 { margin-bottom: 4.5rem; }
.mt-6 { margin-top: 1.75rem; }
.mt-8 { margin-top: 2.25rem; }
.me-4 { margin-right: 1.25rem; }
.ms-auto { margin-left: auto; }

.px-8 { 
  padding-left: 2.25rem;
  padding-right: 2.25rem;
}

.py-4 {
  padding-top: 1.25rem;
  padding-bottom: 1.25rem;
}

.process-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.process-dot {
  width: 12px;
  height: 12px;
  background-color: var(--accent-color);
  border-radius: 50%;
  flex-shrink: 0;
}

.methodology-card {
  background-color: var(--bg-secondary);
  padding: 2.5rem;
  border-radius: 20px;
  border-left: 6px solid var(--primary-color);
}

.feature-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 2rem;
  color: var(--white);
}

.specialization-card {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px rgba(15, 118, 110, 0.1);
  transition: transform .3s ease, box-shadow .3s ease;
}

.specialization-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px rgba(15, 118, 110, 0.15);
}

.specialization-icon {
  width: 70px;
  height: 70px;
  background: linear-gradient(135deg, var(--accent-color), #fbbf24);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto;
  font-size: 1.75rem;
  color: var(--white);
}

.testimonial-section {
  background-color: var(--white);
  padding: 3rem;
  border-radius: 20px;
  border-left: 6px solid var(--accent-color);
  position: relative;
}

.testimonial-section::before {
  content: '"';
  position: absolute;
  top: -10px;
  left: 30px;
  font-size: 6rem;
  color: var(--accent-color);
  font-family: serif;
  line-height: 1;
}

.footer-section {
  background: linear-gradient(135deg, var(--dark), #1f2937);
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: .75rem;
}

.footer-links a {
  color: #d1d5db;
  transition: color .3s ease;
}

.footer-links a:hover {
  color: var(--secondary-color);
}

.contact-info i {
  color: var(--secondary-color);
}

.cookie-banner {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  background-color: var(--dark);
  color: var(--white);
  padding: 1rem 0;
  z-index: 1000;
  border-top: 3px solid var(--primary-color);
}

.cookie-banner a {
  color: var(--secondary-color);
}

.contact-hero {
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.9), rgba(20, 184, 166, 0.8)), url('../pixi/sqccw2.webp');
  background-size: cover;
  background-position: center;
  padding: 150px 0 100px;
  color: var(--white);
}

.form-control, .form-select {
  display: block;
  width: 100%;
  padding: 1rem 1.25rem;
  font-size: 1rem;
  border: 2px solid #e5e7eb;
  border-radius: 12px;
  background-color: var(--white);
  transition: border-color .3s ease, box-shadow .3s ease;
}

.form-control:focus, .form-select:focus {
  outline: none;
  border-color: var(--primary-color);
  box-shadow: 0 0 0 3px rgba(15, 118, 110, 0.1);
}

.form-label {
  font-weight: 600;
  margin-bottom: .75rem;
  color: var(--text-color);
}

.contact-card {
  background-color: var(--white);
  padding: 2.5rem;
  border-radius: 20px;
  box-shadow: 0 15px 35px rgba(15, 118, 110, 0.1);
  border-top: 4px solid var(--primary-color);
}

.contact-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: var(--white);
  margin-bottom: 1.5rem;
}

@media (min-width: 576px) {
  .container {
    max-width: 560px;
  }
}

@media (min-width: 768px) {
  .container {
    max-width: 740px;
  }
  
  .col-md-5 { width: 41.66666667%; }
  .col-md-6 { width: 50%; }
  .col-md-7 { width: 58.33333333%; }
  .col-md-8 { width: 66.66666667%; }
  .col-md-10 { width: 83.33333333%; }
  
  .text-md-start { text-align: left; }
  .mb-md-0 { margin-bottom: 0; }
  
  .navbar-toggler {
    display: none;
  }
  
  .navbar-collapse {
    display: flex !important;
  }
}

@media (min-width: 992px) {
  .container {
    max-width: 980px;
  }
  
  .col-lg-4 { width: 33.33333333%; }
  .col-lg-5 { width: 41.66666667%; }
  .col-lg-6 { width: 50%; }
  .col-lg-7 { width: 58.33333333%; }
  .col-lg-8 { width: 66.66666667%; }
  
  .flex-lg-row { flex-direction: row; }
  .text-lg-start { text-align: left; }
  .text-lg-end { text-align: right; }
  .mb-lg-0 { margin-bottom: 0; }
  .mt-lg-0 { margin-top: 0; }
  
  .py-lg-20 {
    padding-top: 6rem;
    padding-bottom: 6rem;
  }
}

@media (min-width: 1200px) {
  .container {
    max-width: 1160px;
  }
  
  .col-xl-5 { width: 41.66666667%; }
  .col-xl-6 { width: 50%; }
  .col-xl-7 { width: 58.33333333%; }
  .col-xl-8 { width: 66.66666667%; }
  
  h2 {
    font-size: 2.125rem;
  }
  
  .display-3 {
    font-size: 4.75rem;
  }
  
  .display-5 {
    font-size: 3.25rem;
  }
}

@media (max-width: 991px) {
  .navbar-nav {
    flex-direction: column;
    margin-top: 1rem;
  }
  
  .nav-item {
    margin-left: 0;
    margin-bottom: .5rem;
  }
  
  .hero-section {
    background-attachment: scroll;
    padding-top: 120px;
  }
  
  .hero-title {
    font-size: calc(2rem + 2vw);
  }
  
  .hero-subtitle {
    font-size: 1.25rem;
  }
}

.d-flex { display: flex; }
.align-items-center { align-items: center; }
.justify-content-center { justify-content: center; }
.justify-content-between { justify-content: space-between; }
.flex-column-reverse { flex-direction: column-reverse; }
.h-100 { height: 100%; }
.w-100 { width: 100%; }
.img-fluid { max-width: 100%; height: auto; }
.opacity-90 { opacity: 0.9; }