/* ============================================
   Ganga Enterprises — Base Styles
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
  text-size-adjust: 100%;
  font-size: 16px;
}

body {
  font-family: var(--font-body);
  font-size: var(--fs-body);
  font-weight: var(--fw-regular);
  line-height: var(--lh-normal);
  color: var(--color-dark);
  background-color: var(--color-white);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

body.menu-open { overflow: hidden; }

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--duration-fast) ease;
}

ul, ol { list-style: none; }

button {
  font-family: inherit;
  cursor: pointer;
  border: none;
  background: none;
  font-size: inherit;
}

input, textarea, select {
  font-family: inherit;
  font-size: inherit;
  border: none;
  outline: none;
}

/* ── Typography ── */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--color-primary);
}

h1 { font-size: var(--fs-h1); }
h2 { font-size: var(--fs-h2); }
h3 { font-size: var(--fs-h3); }
h4 { font-size: var(--fs-h4); }
h5 { font-size: var(--fs-h5); }
h6 { font-size: var(--fs-h6); }

p {
  margin-bottom: var(--space-4);
  color: var(--color-gray-500);
  line-height: var(--lh-normal);
}

p:last-child { margin-bottom: 0; }
strong { font-weight: var(--fw-semibold); }

/* ── Layout ── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

.section {
  padding: var(--section-padding) 0;
  position: relative;
}

.section-sm { padding: clamp(2rem, 5vw, 3.5rem) 0; }

.section-dark {
  background-color: var(--color-darker);
  color: var(--color-white);
}

.section-dark h2, .section-dark h3, .section-dark h4, .section-dark h5 { color: #fff; }
.section-dark p { color: var(--color-gray-200); }

.section-gray { background-color: var(--color-off-white); }

/* ── Grid System ── */
.grid { display: grid; gap: var(--space-8); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }

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

.gap-1 { gap: var(--space-1); }
.gap-2 { gap: var(--space-2); }
.gap-3 { gap: var(--space-3); }
.gap-4 { gap: var(--space-4); }
.gap-6 { gap: var(--space-6); }
.gap-8 { gap: var(--space-8); }

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 14px 32px;
  font-family: var(--font-heading);
  font-size: var(--fs-small);
  font-weight: var(--fw-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  border-radius: var(--radius-sm);
  transition: all var(--duration-normal) var(--ease-out);
  position: relative;
  overflow: hidden;
  white-space: nowrap;
  cursor: pointer;
  box-shadow: 0 -2px rgba(0,0,0,0.1) inset;
}

.btn::before {
  content: '';
  position: absolute;
  top: 0;
  left: -100%;
  width: 100%;
  height: 100%;
  background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
  transition: left 0.5s ease;
}

.btn:hover::before { left: 100%; }

.btn-primary {
  background: var(--color-primary);
  color: #fff;
  box-shadow: 0 4px 15px rgba(21,90,126,0.3), 0 -2px rgba(0,0,0,0.1) inset;
}

.btn-primary:hover {
  background: var(--color-primary-dark);
  transform: translateY(-3px);
  box-shadow: 0 8px 25px rgba(21,90,126,0.4), 0 -2px rgba(0,0,0,0.1) inset;
}

.btn-secondary {
  background: #fff;
  color: var(--color-primary);
  border: 3px solid var(--color-primary);
}

.btn-secondary:hover {
  background: var(--color-primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow-teal);
}

.btn-whatsapp {
  background: #25d366;
  color: #fff;
  box-shadow: 0 4px 15px rgba(37,211,102,0.3), 0 -2px rgba(0,0,0,0.1) inset;
}

.btn-whatsapp:hover {
  background: #22c35e;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(37,211,102,0.4), 0 -2px rgba(0,0,0,0.1) inset;
}

.btn-call {
  background: var(--color-accent);
  color: #fff;
  box-shadow: 0 4px 15px rgba(80,170,84,0.3), 0 -2px rgba(0,0,0,0.1) inset;
}

.btn-call:hover {
  background: var(--color-accent-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(80,170,84,0.4), 0 -2px rgba(0,0,0,0.1) inset;
}

.btn-outline-white {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.5);
}

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

.btn-sm { padding: 10px 24px; font-size: var(--fs-xs); }
.btn-lg { padding: 18px 40px; font-size: var(--fs-body); }
.btn svg, .btn i { font-size: 1.1em; }

/* ── Utility Classes ── */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }
.text-white { color: #fff !important; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.text-muted { color: var(--color-gray-400); }

.mt-4 { margin-top: var(--space-4); }
.mt-8 { margin-top: var(--space-8); }
.mt-12 { margin-top: var(--space-12); }
.mb-4 { margin-bottom: var(--space-4); }
.mb-8 { margin-bottom: var(--space-8); }
.mx-auto { margin-left: auto; margin-right: auto; }
.w-full { width: 100%; }
.max-w-lg { max-width: 600px; }
.max-w-xl { max-width: 800px; }
.relative { position: relative; }
.overflow-hidden { overflow: hidden; }

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

/* ── Selection ── */
::selection {
  background: var(--color-primary);
  color: #fff;
}

/* ── Scrollbar ── */
::-webkit-scrollbar { width: 8px; }
::-webkit-scrollbar-track { background: var(--color-light-gray); }
::-webkit-scrollbar-thumb { background: var(--gradient-teal-green); border-radius: var(--radius-full); }
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }