/* ---- Design tokens ---- */
:root {
  --color-primary: #2c3e50;
  --color-primary-dark: #34495e;
  --color-secondary: #e67e22;
  --color-secondary-dark: #d35400;
  --color-text: #333333;
  --color-bg: #ffffff;
  --color-bg-muted: #f5f5f5;
  --color-disabled-bg: #cccccc;
  --color-disabled-text: #888888;

  --font-heading: 'Space Grotesk', sans-serif;
  --font-body: 'Inter', sans-serif;

  --text-body: 16px;
  --text-h3: 20px;
  --text-h2: 25px;
  --text-h1: 32px;
  --text-display: 40px;

  --space-xs: 8px;
  --space-sm: 16px;
  --space-md: 24px;
  --space-lg: 32px;
  --space-xl: 64px;
}

/* ---- Base ---- */
body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  color: var(--color-text);
  margin: 0;
  padding: 0;
  background-color: var(--color-bg);
}

h1, h2, h3 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--color-primary);
  margin: 0 0 var(--space-sm) 0;
}

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }

p {
  margin: 0 0 var(--space-sm) 0;
}

/* ---- Header ---- */
header {
  background-color: var(--color-primary);
  color: white;
  padding: var(--space-md);
  text-align: center;
}

header h1 {
  color: white;
  margin: 0;
}

/* ---- Layout (header above, nav+main share a row on mobile) ---- */
.layout {
  display: flex;
  flex-direction: column;
}

/* ---- Nav ---- */
nav {
  background-color: var(--color-primary-dark);
  text-align: center;
  padding: var(--space-xs);
}

nav a {
  font-family: var(--font-body);
  font-weight: 600;
  color: white;
  margin: 0 var(--space-sm);
  text-decoration: none;
}

nav a:hover {
  color: var(--color-secondary);
  text-decoration: underline;
}

/* ---- Main content ---- */
main {
  max-width: 800px;
  margin: var(--space-xl) auto;
  padding: 0 var(--space-sm);
  line-height: 1.6;
}

/* ---- Buttons ---- */
.btn {
  display: inline-block;
  font-family: var(--font-body);
  font-weight: 600;
  background-color: var(--color-secondary);
  color: white;
  padding: var(--space-xs) var(--space-md);
  border-radius: 5px;
  text-decoration: none;
  margin-top: var(--space-sm);
  border: none;
  cursor: pointer;
  transition: background-color 0.15s ease, transform 0.1s ease;
}

.btn:hover {
  background-color: var(--color-secondary-dark);
}

.btn:active {
  transform: scale(0.98);
}

.btn:disabled,
.btn.disabled {
  background-color: var(--color-disabled-bg);
  color: var(--color-disabled-text);
  cursor: not-allowed;
}

/* ---- Footer ---- */
footer {
  background-color: var(--color-primary);
  color: white;
  text-align: center;
  padding: var(--space-sm);
  margin-top: var(--space-xl);
}

/* ---- Mobile: nav becomes a left column beside main ---- */
@media (max-width: 600px) {
  .layout {
    flex-direction: row;
  }

  nav {
    display: flex;
    flex-direction: column;
    text-align: left;
    padding: var(--space-xs);
  }

  nav a {
    margin: var(--space-xs) 0;
  }
}
/* ---- Services grid ---- */
.services-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-md);
}

.service-card {
  border: 1px solid var(--color-primary);
  border-radius: 8px;
  padding: var(--space-md);
  color: var(--color-primary);
  background-color: var(--color-bg);
  transition: background-color 0.2s ease, color 0.2s ease;
}

.service-card:hover {
  background-color: var(--color-primary);
  color: white;
}

.service-icon {
  width: 36px;
  height: 36px;
  margin-bottom: var(--space-sm);
}

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-card h3 {
  color: inherit;
  margin-bottom: var(--space-xs);
}

.service-card p {
  margin: 0;
}
/* ---- Portfolio ---- */
.portfolio-section {
  margin-bottom: var(--space-xl);
}

.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: var(--space-md);
  margin-top: var(--space-sm);
}

.portfolio-card {
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--color-primary);
}

.portfolio-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
  transition: transform 0.3s ease;
}

.portfolio-card:hover img {
  transform: scale(1.05);
}

.portfolio-card p {
  margin: 0;
  padding: var(--space-sm);
  color: var(--color-primary);
  font-weight: 600;
}
/* ---- Filter bar ---- */
.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-xs);
  margin: var(--space-sm) 0 var(--space-md) 0;
}

.filter-btn {
  font-family: var(--font-body);
  font-weight: 600;
  background-color: transparent;
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
  padding: var(--space-xs) var(--space-sm);
  border-radius: 20px;
  cursor: pointer;
  transition: background-color 0.15s ease, color 0.15s ease;
}

.filter-btn:hover {
  background-color: var(--color-bg-muted);
}

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

/* ---- Contact page ---- */
.contact-page {
  max-width: 1000px;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.3fr 1fr;
  gap: var(--space-lg);
  margin-top: var(--space-md);
}

.contact-form {
  display: flex;
  flex-direction: column;
}

.contact-form label {
  font-weight: 600;
  color: var(--color-primary);
  margin-top: var(--space-sm);
  margin-bottom: var(--space-xs);
}

.contact-form input,
.contact-form textarea {
  font-family: var(--font-body);
  font-size: var(--text-body);
  padding: var(--space-xs);
  border: 1px solid var(--color-primary);
  border-radius: 5px;
  color: var(--color-text);
}

.contact-form input:focus,
.contact-form textarea:focus {
  outline: 2px solid var(--color-secondary);
  outline-offset: 1px;
}

.contact-form button {
  margin-top: var(--space-md);
  align-self: flex-start;
}

.contact-details {
  padding: var(--space-sm) 0;
}

.detail-item {
  display: flex;
  flex-direction: column;
  margin-bottom: var(--space-lg);
}

.detail-label {
  font-family: var(--font-heading);
  font-weight: 600;
  color: var(--color-secondary);
  font-size: var(--text-h3);
  margin-bottom: var(--space-xs);
}

.detail-value {
  color: var(--color-text);
}

.map-frame {
  margin-top: var(--space-xl);
  border-radius: 8px;
  overflow: hidden;
}

@media (max-width: 700px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }
}
.form-message {
  padding: var(--space-sm);
  border-radius: 6px;
  margin-bottom: var(--space-sm);
  font-weight: 600;
}

.form-message.success {
  background-color: #e6f4ea;
  color: #1e7e34;
}

.form-message.error {
  background-color: #fdecea;
  color: #c0392b;
}

.field-error {
  color: #c0392b;
  font-size: 14px;
  margin-top: var(--space-xs);
}