/* ====== RESET & BASE STYLES ====== */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Open Sans', 'Lato', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-size: 16px;
  line-height: 1.6;
  color: #2c3e50;
  background-color: #ffffff;
}

/* ====== TYPOGRAPHY ====== */
h1, h2, h3, h4, h5, h6 {
  font-family: 'Montserrat', 'Oswald', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 1rem;
}

h1 {
  font-size: 3.5rem;
  font-weight: 800;
  letter-spacing: -1px;
  margin-bottom: 1.5rem;
}

h2 {
  font-size: 2.5rem;
  font-weight: 700;
  margin-bottom: 1.25rem;
}

h3 {
  font-size: 1.75rem;
  font-weight: 700;
  margin-bottom: 1rem;
}

p {
  margin-bottom: 1rem;
  line-height: 1.7;
}

a {
  color: #1abc9c;
  text-decoration: none;
  transition: all 0.2s ease-out;
}

a:hover {
  color: #16a085;
}

/* ====== LAYOUT ====== */
.container {
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 2rem;
}

.content-wrapper {
  max-width: 960px;
  margin: 0 auto;
  padding: 0 2rem;
}

section {
  padding: 80px 0;
}

section + section {
  margin-top: 40px;
}

/* ====== HEADER ====== */
header {
  background-color: #2c3e50;
  color: #ffffff;
  padding: 1.5rem 0;
  position: sticky;
  top: 0;
  z-index: 100;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
}

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

.logo {
  font-size: 1.5rem;
  font-weight: 800;
  color: #ffffff;
  letter-spacing: 2px;
}

.logo:hover {
  color: #1abc9c;
}

nav ul {
  list-style: none;
  display: flex;
  gap: 2rem;
  align-items: center;
}

nav a {
  color: #ecf0f1;
  font-size: 0.95rem;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  transition: all 0.2s ease-out;
  position: relative;
}

nav a:hover,
nav a.active {
  color: #1abc9c;
}

nav a.active::after {
  content: '';
  position: absolute;
  bottom: -5px;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: #1abc9c;
}

/* ====== FOOTER ====== */
footer {
  background-color: #2c3e50;
  color: #ecf0f1;
  padding: 60px 0 30px;
  margin-top: 120px;
}

footer .container {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 3rem;
  margin-bottom: 3rem;
  border-bottom: 1px solid #34495e;
  padding-bottom: 3rem;
}

footer h4 {
  color: #ffffff;
  font-size: 1rem;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1.5rem;
}

footer ul {
  list-style: none;
}

footer ul li {
  margin-bottom: 0.75rem;
}

footer a {
  color: #bdc3c7;
  transition: all 0.2s ease-out;
}

footer a:hover {
  color: #1abc9c;
}

.footer-bottom {
  text-align: center;
  padding-top: 2rem;
  font-size: 0.9rem;
  color: #95a5a6;
}

.disclaimer {
  font-size: 0.85rem;
  color: #7f8c8d;
  margin-top: 1.5rem;
}

/* ====== HERO SECTION ====== */
.hero {
  background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%);
  color: #ffffff;
  padding: 100px 0;
  position: relative;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 50%;
  height: 100%;
  background-image: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="50" cy="50" r="40" fill="rgba(26,188,156,0.05)"/></svg>');
  z-index: 0;
}

.hero .container {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.hero-content h1 {
  color: #ffffff;
  margin-bottom: 1.5rem;
  text-balance: true;
}

.hero-content p {
  font-size: 1.1rem;
  color: #ecf0f1;
  margin-bottom: 2rem;
  line-height: 1.8;
}

.hero-image {
  width: 100%;
  height: 400px;
  background: linear-gradient(135deg, #1abc9c 0%, #16a085 100%);
  border-radius: 8px;
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

/* ====== BUTTONS ====== */
.btn {
  display: inline-block;
  padding: 12px 28px;
  background-color: #1abc9c;
  color: #ffffff;
  text-transform: uppercase;
  font-weight: 600;
  font-size: 0.9rem;
  letter-spacing: 1px;
  border: none;
  border-radius: 4px;
  cursor: pointer;
  transition: all 0.2s ease-out;
}

.btn:hover {
  background-color: #16a085;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(26, 188, 156, 0.3);
}

.btn-secondary {
  background-color: #2c3e50;
  color: #ffffff;
}

.btn-secondary:hover {
  background-color: #34495e;
}

.btn-outline {
  background-color: transparent;
  color: #1abc9c;
  border: 2px solid #1abc9c;
}

.btn-outline:hover {
  background-color: #1abc9c;
  color: #ffffff;
}

/* ====== CARDS ====== */
.card {
  background-color: #ecf0f1;
  padding: 2rem;
  border-radius: 4px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
  transition: all 0.3s ease-out;
  border-left: 4px solid #1abc9c;
}

.card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, 0.12);
}

.card h3 {
  color: #2c3e50;
  margin-bottom: 1rem;
}

.card p {
  color: #34495e;
}

.card-image {
  width: 100%;
  height: 250px;
  background-color: #bdc3c7;
  border-radius: 4px 4px 0 0;
  margin: -2rem -2rem 1.5rem -2rem;
  overflow: hidden;
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

/* ====== SECTIONS WITH BACKGROUNDS ====== */
.section-light {
  background-color: #ecf0f1;
}

.section-dark {
  background-color: #2c3e50;
  color: #ecf0f1;
}

.section-dark h2,
.section-dark h3 {
  color: #ffffff;
}

/* ====== TWO COLUMN LAYOUT ====== */
.two-column {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
  align-items: center;
}

.two-column.reverse {
  grid-template-columns: 1fr 1fr;
  direction: rtl;
}

.two-column.reverse > * {
  direction: ltr;
}

.column-image {
  width: 100%;
  height: auto;
  min-height: 350px;
  background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
  border-radius: 4px;
  overflow: hidden;
}

/* ====== ACCENT ELEMENTS ====== */
.accent-line {
  width: 60px;
  height: 3px;
  background-color: #f39c12;
  margin: 0 0 1rem 0;
}

.quote-block {
  background-color: #ecf0f1;
  border-left: 4px solid #f39c12;
  padding: 2rem;
  margin: 2rem 0;
  font-style: italic;
  color: #2c3e50;
  font-size: 1.1rem;
}

.highlight {
  color: #1abc9c;
  font-weight: 600;
}

/* ====== LISTS ====== */
ul, ol {
  margin-left: 1.5rem;
  margin-bottom: 1.5rem;
}

ul li, ol li {
  margin-bottom: 0.75rem;
  line-height: 1.8;
}

.list-icon {
  display: inline-block;
  width: 20px;
  height: 20px;
  background-color: #1abc9c;
  color: #ffffff;
  border-radius: 50%;
  text-align: center;
  line-height: 20px;
  font-size: 12px;
  margin-right: 0.75rem;
  flex-shrink: 0;
}

/* ====== FORMS ====== */
form {
  max-width: 600px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 1.5rem;
}

label {
  display: block;
  margin-bottom: 0.5rem;
  font-weight: 600;
  color: #2c3e50;
}

input[type="text"],
input[type="email"],
input[type="tel"],
textarea,
select {
  width: 100%;
  padding: 12px;
  border: 1px solid #bdc3c7;
  border-radius: 4px;
  font-family: inherit;
  font-size: 1rem;
  transition: all 0.2s ease-out;
}

input[type="text"]:focus,
input[type="email"]:focus,
input[type="tel"]:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: #1abc9c;
  box-shadow: 0 0 0 3px rgba(26, 188, 156, 0.1);
}

textarea {
  resize: vertical;
  min-height: 150px;
}

/* ====== RESPONSIVE ====== */
@media (max-width: 768px) {
  h1 {
    font-size: 2.5rem;
  }

  h2 {
    font-size: 1.8rem;
  }

  h3 {
    font-size: 1.3rem;
  }

  section {
    padding: 60px 0;
  }

  nav ul {
    gap: 1rem;
    font-size: 0.85rem;
  }

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

  .hero-image {
    height: 300px;
  }

  .two-column,
  .two-column.reverse {
    grid-template-columns: 1fr;
  }

  .two-column.reverse {
    direction: ltr;
  }

  .two-column.reverse > * {
    direction: ltr;
  }

  .card-grid {
    grid-template-columns: 1fr;
  }

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

@media (max-width: 480px) {
  h1 {
    font-size: 2rem;
  }

  h2 {
    font-size: 1.5rem;
  }

  h3 {
    font-size: 1.1rem;
  }

  nav ul {
    flex-direction: column;
    gap: 0.5rem;
  }

  .container,
  .content-wrapper {
    padding: 0 1rem;
  }

  section {
    padding: 40px 0;
  }
}

/* ====== UTILITIES ====== */
.text-center {
  text-align: center;
}

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

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }

.mt-1 { margin-top: 0.5rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 1.5rem; }
.mt-4 { margin-top: 2rem; }

.hidden {
  display: none;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}