/* ========================================
   Ticco Robotics — Base Styles
   ======================================== */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: var(--text-body);
  font-weight: var(--weight-regular);
  line-height: var(--leading-normal);
  color: var(--color-dark-gray);
  background-color: #FBFCFE;
  overflow-x: hidden;
}

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

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

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

html body [data-aos],
html body [data-aos][data-aos],
html body [data-aos][data-aos][data-aos-duration],
html body [data-aos][data-aos][data-aos-delay] {
  opacity: 1 !important;
  transform: none !important;
}

ul, ol {
  list-style: none;
}

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

h1 { font-size: var(--text-h1); }
h2 { font-size: var(--text-h2); }
h3 { font-size: var(--text-h3); }
h4 { font-size: var(--text-h4); }

p {
  margin-bottom: var(--space-sm);
  line-height: var(--leading-relaxed);
  text-align: justify;
  text-indent: 2em;
}

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

/* === Section === */
.section {
  padding: var(--space-3xl) 0;
}

.section--gray {
  background:
    linear-gradient(180deg, rgba(255, 255, 255, 0.82), rgba(244, 247, 250, 0.96)),
    var(--color-light-gray);
}

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

.section--primary {
  background: var(--gradient-primary);
  color: var(--color-white);
}

/* === Section Title === */
.section-title {
  text-align: center;
  margin-bottom: var(--space-xl);
}

.section-title__line {
  width: 56px;
  height: 3px;
  background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
  margin: 0 auto var(--space-md);
  border-radius: 999px;
}

.section-title__label {
  font-size: var(--text-caption);
  font-weight: var(--weight-semibold);
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--color-primary);
  margin-bottom: var(--space-sm);
}

.section-title h2 {
  margin-bottom: var(--space-sm);
}

.section-title p {
  color: var(--color-mid-gray);
  max-width: 600px;
  margin: 0 auto;
}

/* === Grid === */
.grid {
  display: grid;
  gap: var(--space-lg);
}

.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 === */
.flex {
  display: flex;
}

.flex--center {
  align-items: center;
  justify-content: center;
}

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

/* === Text utilities === */
.text-center { text-align: center; }
.text-white { color: var(--color-white); }
.text-primary { color: var(--color-primary); }

/* === Button base === */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-heading);
  font-size: var(--text-caption);
  font-weight: var(--weight-bold);
  text-transform: uppercase;
  letter-spacing: 1px;
  padding: 16px 36px;
  border-radius: var(--radius-md);
  border: 1px solid transparent;
  cursor: pointer;
  transition: all var(--transition-normal);
  text-decoration: none;
  line-height: 1;
  min-height: 48px;
}

.btn--primary {
  background: linear-gradient(135deg, var(--color-primary), #1181D7);
  color: var(--color-white);
  border-color: var(--color-primary);
  box-shadow: 0 14px 28px rgba(10, 94, 176, 0.24);
}

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

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

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

.btn--outline-dark {
  background-color: transparent;
  color: var(--color-black);
  border-color: rgba(26, 26, 26, 0.18);
}

.btn--outline-dark:hover {
  background-color: var(--color-black);
  color: var(--color-white);
}

/* === Scroll-to-top === */
.scroll-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 44px;
  height: 44px;
  background-color: var(--color-primary);
  color: var(--color-white);
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  visibility: hidden;
  transition: all var(--transition-normal);
  z-index: 999;
}

.scroll-top.visible {
  opacity: 1;
  visibility: visible;
}

.scroll-top:hover {
  background-color: var(--color-primary-dark);
}