/**
 * Ed's Sewer & Water Repair - Base Styles
 * Typography, resets, and global element styles
 */

/* ==================== IMPORT GOOGLE FONTS ==================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800&display=swap');

/* ==================== CSS RESET & NORMALIZE ==================== */

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

html {
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-rendering: optimizeLegibility;
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-primary);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-normal);
  line-height: var(--line-height-relaxed);
  color: var(--color-text-secondary);
  background-color: var(--color-background-primary);
  overflow-x: hidden;
}

/* ==================== TYPOGRAPHY ==================== */

/* Headings */
h1, h2, h3, h4, h5, h6 {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
  line-height: var(--line-height-tight);
  margin-bottom: var(--space-4);
}

h1 {
  font-size: var(--font-size-5xl);
  line-height: var(--line-height-tight);
}

h2 {
  font-size: var(--font-size-4xl);
  line-height: var(--line-height-snug);
}

h3 {
  font-size: var(--font-size-2xl);
  line-height: var(--line-height-normal);
}

h4 {
  font-size: var(--font-size-xl);
  font-weight: var(--font-weight-semibold);
  line-height: var(--line-height-normal);
}

h5 {
  font-size: var(--font-size-lg);
  font-weight: var(--font-weight-semibold);
}

h6 {
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
}

/* Paragraphs */
p {
  margin-bottom: var(--space-4);
}

p:last-child {
  margin-bottom: 0;
}

.lead-text {
  font-size: var(--font-size-xl);
  line-height: var(--line-height-normal);
  color: var(--color-text-secondary);
}

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

a:hover {
  color: var(--color-aqua);
}

a:focus {
  outline: 2px solid var(--color-aqua);
  outline-offset: 2px;
}

/* Lists */
ul, ol {
  margin-left: var(--space-6);
  margin-bottom: var(--space-4);
}

ul li, ol li {
  margin-bottom: var(--space-2);
}


/* ==================== NAVIGATION ==================== */

.nav {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: white;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.nav__container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 16px 0;
}

.nav__logo {
    flex-shrink: 0;
}

.nav__logo img {
    max-width: 200px;
    height: auto;
}

.nav__menu {
    display: none;
    gap: 24px;
}

.nav__phone {
    display: none;
    flex-shrink: 0;
}

.nav__toggle {
    display: flex;
    background: none;
    border: none;
    cursor: pointer;
    flex-shrink: 0;
}

.nav__mobile {
    display: none;
    padding: 16px 0;
    border-top: 1px solid #e5e7eb;
}

.nav__mobile.active {
    display: block;
}

@media (min-width: 768px) {
    .nav__menu { display: flex; }
    .nav__toggle { display: none; }
}

@media (min-width: 1024px) {
    .nav__phone { display: inline-flex; }
    .nav__logo img { max-width: 350px; }
}

/* Remove list styles for navigation */
nav ul,
nav ol {
  list-style: none;
  margin: 0;
  padding: 0;
}

nav li {
  margin: 0;
}

/* Strong & Emphasis */
strong, b {
  font-weight: var(--font-weight-bold);
  color: var(--color-text-primary);
}

em, i {
  font-style: italic;
}

/* Small Text */
small {
  font-size: var(--font-size-sm);
}

/* ==================== IMAGES ==================== */

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

/* ==================== FORMS ==================== */

/* Remove default appearance */
button,
input,
select,
textarea {
  font-family: inherit;
  font-size: inherit;
  line-height: inherit;
}

/* Form Labels */
label {
  display: block;
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  margin-bottom: var(--space-2);
}

/* Form Inputs */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="url"],
input[type="password"],
input[type="number"],
input[type="date"],
select,
textarea {
  width: 100%;
  padding: var(--space-3) var(--space-4);
  font-size: var(--font-size-base);
  color: var(--color-text-primary);
  background-color: var(--color-white);
  border: var(--border-width-thin) solid var(--color-border-medium);
  border-radius: var(--radius-md);
  transition: var(--transition-all);
  appearance: none;
}

input:focus,
select:focus,
textarea:focus {
  outline: none;
  border-color: var(--color-aqua);
  box-shadow: 0 0 0 3px rgba(0, 142, 151, 0.1);
}

input::placeholder,
textarea::placeholder {
  color: var(--color-text-muted);
}

/* Select Dropdown */
select {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 12 12'%3E%3Cpath fill='%234b5563' d='M10.293 3.293L6 7.586 1.707 3.293A1 1 0 00.293 4.707l5 5a1 1 0 001.414 0l5-5a1 1 0 10-1.414-1.414z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right var(--space-4) center;
  background-size: 12px;
  padding-right: var(--space-10);
}

/* Textarea */
textarea {
  resize: vertical;
  min-height: 120px;
}

/* Checkboxes & Radio Buttons */
input[type="checkbox"],
input[type="radio"] {
  width: auto;
  margin-right: var(--space-2);
}

/* ==================== BUTTONS ==================== */

button {
  cursor: pointer;
  border: none;
  background: none;
  padding: 0;
  font: inherit;
}

button:focus {
  outline: 2px solid var(--color-aqua);
  outline-offset: 2px;
}

/* ==================== TABLES ==================== */

table {
  width: 100%;
  border-collapse: collapse;
  margin-bottom: var(--space-6);
}

th,
td {
  padding: var(--space-3) var(--space-4);
  text-align: left;
  border-bottom: var(--border-width-thin) solid var(--color-border-light);
}

th {
  font-weight: var(--font-weight-semibold);
  color: var(--color-text-primary);
  background-color: var(--color-background-secondary);
}

/* ==================== LAYOUT UTILITIES ==================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-padding-mobile);
  padding-right: var(--container-padding-mobile);
}

@media (min-width: 768px) {
  .container {
    padding-left: var(--container-padding-tablet);
    padding-right: var(--container-padding-tablet);
  }
}

@media (min-width: 1024px) {
  .container {
    padding-left: var(--container-padding-desktop);
    padding-right: var(--container-padding-desktop);
  }
}

/* ==================== SECTIONS ==================== */

section {
  padding-top: var(--section-padding-lg);
  padding-bottom: var(--section-padding-lg);
}

section.section-sm {
  padding-top: var(--section-padding-sm);
  padding-bottom: var(--section-padding-sm);
}

section.section-md {
  padding-top: var(--section-padding-md);
  padding-bottom: var(--section-padding-md);
}

@media (max-width: 767px) {
  section {
    padding-top: var(--section-padding-md);
    padding-bottom: var(--section-padding-md);
  }
}

/* ==================== ACCESSIBILITY ==================== */

/* Skip to main content link */
.skip-to-main {
  position: absolute;
  top: -40px;
  left: 0;
  background: var(--color-aqua);
  color: var(--color-white);
  padding: var(--space-2) var(--space-4);
  text-decoration: none;
  z-index: 100;
}

.skip-to-main:focus {
  top: 0;
}

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

/* Focus visible for keyboard navigation */
*:focus-visible {
  outline: 2px solid var(--color-aqua);
  outline-offset: 2px;
}

/* ==================== MOBILE TYPOGRAPHY ADJUSTMENTS ==================== */

@media (max-width: 767px) {
  h1 {
    font-size: var(--font-size-4xl);
  }
  
  h2 {
    font-size: 2rem; /* 32px */
  }
  
  h3 {
    font-size: var(--font-size-xl);
  }
  
  .lead-text {
    font-size: var(--font-size-lg);
  }
}

/* ==================== PRINT STYLES ==================== */

@media print {
  *,
  *::before,
  *::after {
    background: transparent !important;
    color: #000 !important;
    box-shadow: none !important;
    text-shadow: none !important;
  }
  
  a,
  a:visited {
    text-decoration: underline;
  }
  
  a[href]::after {
    content: " (" attr(href) ")";
  }
  
  img {
    page-break-inside: avoid;
  }
  
  h2,
  h3 {
    page-break-after: avoid;
  }
}