/**
 * Global Styles
 * Nisarg Consultancy
 * 
 * Base styles, resets, and global component styles.
 */

@import './variables.css';

/* ===========================================
   CSS RESET & BASE
   =========================================== */

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

html {
  font-size: 100%;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  overflow-x: hidden;
  width: 100%;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-base);
  font-weight: var(--font-normal);
  line-height: var(--leading-relaxed);
  color: var(--color-neutral-800);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  width: 100%;
  max-width: 100vw;
}

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

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-semibold);
  line-height: var(--leading-tight);
  color: var(--color-neutral-900);
  letter-spacing: var(--tracking-tight);
}

h1 { font-size: var(--text-5xl); }
h2 { font-size: var(--text-4xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

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

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

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

a:hover {
  color: var(--color-primary-600);
}

a:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

strong, b {
  font-weight: var(--font-semibold);
}

small {
  font-size: var(--text-sm);
}

/* ===========================================
   IMAGES & MEDIA
   =========================================== */

img,
picture,
video,
canvas,
svg {
  display: block;
  max-width: 100%;
  height: auto;
}

img {
  font-style: italic; /* Alt text styling for broken images */
}

/* ===========================================
   LISTS
   =========================================== */

ul, ol {
  list-style: none;
}

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

button,
input,
textarea,
select {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
  background: none;
  border: none;
}

button:disabled {
  cursor: not-allowed;
}

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

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

.container {
  width: 100%;
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: 16px;
  padding-right: 16px;
  box-sizing: border-box;
}

@media (min-width: 480px) {
  .container {
    padding-left: 24px;
    padding-right: 24px;
  }
}

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

.container--narrow {
  max-width: var(--container-narrow);
}

.container--wide {
  max-width: var(--container-wide);
}

/* ===========================================
   FOCUS STATES (Accessibility)
   =========================================== */

:focus {
  outline: none;
}

:focus-visible {
  outline: 2px solid var(--color-primary);
  outline-offset: 2px;
}

/* ===========================================
   SELECTION
   =========================================== */

::selection {
  background-color: var(--color-primary);
  color: var(--color-white);
}

/* ===========================================
   SCROLLBAR (Subtle styling)
   =========================================== */

::-webkit-scrollbar {
  width: 8px;
  height: 8px;
}

::-webkit-scrollbar-track {
  background: var(--color-neutral-100);
}

::-webkit-scrollbar-thumb {
  background: var(--color-neutral-400);
  border-radius: var(--radius-full);
}

::-webkit-scrollbar-thumb:hover {
  background: var(--color-neutral-500);
}

/* ===========================================
   REDUCED MOTION
   =========================================== */

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  
  html {
    scroll-behavior: auto;
  }
}