/**
 * base.css
 * CSS reset, base typography, containers, buttons, utilities
 * 3T3 Solution 2026 revamp
 */

@import url('https://fonts.googleapis.com/css2?family=Outfit:wght@400;500;600;700&family=DM+Sans:opsz,wght@9..40,400;9..40,500;9..40,600;9..40,700&display=swap');
@import url('./variables.css');

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

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

body {
  font-family: var(--font-body);
  font-size: var(--font-size-base);
  font-weight: var(--font-weight-regular);
  line-height: var(--line-height-normal);
  color: var(--color-text);
  background-color: var(--color-bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

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

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

ul,
ol {
  list-style: none;
}

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

input,
textarea,
select {
  font-family: inherit;
  font-size: inherit;
}

/* =====================
   Typography
   ===================== */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: var(--font-weight-bold);
  line-height: var(--line-height-tight);
  color: var(--color-secondary);
  letter-spacing: -0.02em;
}

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

p {
  color: var(--color-text-light);
  line-height: var(--line-height-relaxed);
  margin-bottom: var(--space-4);
}

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

/* =====================
   Layout
   ===================== */
.container {
  max-width: var(--container-max);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  width: 100%;
}

section {
  padding: var(--section-pad) 0;
}

/* =====================
   Buttons — 2026 style
   ===================== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 13px 30px;
  border-radius: var(--radius-md);
  font-family: var(--font-heading);
  font-size: var(--font-size-sm);
  font-weight: var(--font-weight-semibold);
  letter-spacing: 0.5px;
  text-transform: uppercase;
  transition: all var(--transition);
  white-space: nowrap;
  text-decoration: none;
  cursor: pointer;
  border: 2px solid transparent;
}

.btn-primary {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  border-color: var(--color-primary);
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  border-color: var(--color-primary-dark);
  color: var(--color-text-white);
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-secondary {
  background-color: transparent;
  color: var(--color-primary);
  border-color: var(--color-primary);
}

.btn-secondary:hover {
  background-color: var(--color-primary);
  color: var(--color-text-white);
  transform: translateY(-2px);
}

.btn-white {
  background-color: var(--color-text-white);
  color: var(--color-primary);
  border-color: var(--color-text-white);
}

.btn-white:hover {
  background-color: transparent;
  color: var(--color-text-white);
}

.btn-outline-white {
  background-color: transparent;
  color: var(--color-text-white);
  border-color: var(--color-text-white);
}

.btn-outline-white:hover {
  background-color: var(--color-text-white);
  color: var(--color-primary);
}

/* =====================
   Utility Classes
   ===================== */
.text-center  { text-align: center; }
.text-left    { text-align: left; }
.text-right   { text-align: right; }
.text-white   { color: var(--color-text-white) !important; }
.text-primary { color: var(--color-primary) !important; }
.text-muted   { color: var(--color-text-muted) !important; }

.bg-white     { background-color: var(--color-bg); }
.bg-alt       { background-color: var(--color-bg-alt); }
.bg-dark      { background-color: var(--color-bg-dark); }
.bg-primary   { background-color: var(--color-primary); }

.d-flex       { display: flex; }
.align-center { align-items: center; }
.justify-center { justify-content: center; }
.flex-wrap    { flex-wrap: wrap; }
.gap-4        { gap: var(--space-4); }
.gap-6        { gap: var(--space-6); }

.mt-4  { margin-top: var(--space-4); }
.mt-6  { margin-top: var(--space-6); }
.mt-8  { margin-top: var(--space-8); }
.mb-4  { margin-bottom: var(--space-4); }
.mb-6  { margin-bottom: var(--space-6); }
.mb-8  { margin-bottom: var(--space-8); }

.fw-semibold { font-weight: var(--font-weight-semibold); }
.fw-bold     { font-weight: var(--font-weight-bold); }

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