/* =============================================
   Base Utilities & Layout Helpers
   ============================================= */

/* ─── Container ─── */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin-inline: auto;
  padding-inline: var(--sp-6);
}

@media (min-width: 768px) {
  .container { padding-inline: var(--sp-10); }
}

@media (min-width: 1280px) {
  .container { padding-inline: var(--sp-12); }
}

/* ─── Section Spacing ─── */
.section {
  padding-block: var(--section-pad-y);
  position: relative;
  overflow: hidden;
}

.section--dark {
  background: var(--clr-bg-dark);
  color: var(--clr-text-white);
}

.section--accent-bg {
  background: linear-gradient(135deg, var(--clr-primary-dark) 0%, var(--clr-primary) 50%, var(--clr-primary-light) 100%);
  color: white;
}

.section--light {
  background: var(--clr-bg-white);
}

/* ─── Section Headers ─── */
.section-header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.section-label {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-family: var(--font-body);
  font-size: var(--fz-sm);
  font-weight: var(--fw-semi);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-accent);
  background: rgba(249, 115, 22, 0.08);
  border: 1px solid rgba(249, 115, 22, 0.2);
  padding: var(--sp-2) var(--sp-4);
  border-radius: var(--radius-full);
  margin-bottom: var(--sp-4);
}

.section-label--white {
  color: rgba(255,255,255,0.9);
  background: rgba(255,255,255,0.1);
  border-color: rgba(255,255,255,0.2);
}

.section-title {
  font-size: clamp(var(--fz-2xl), 4vw, var(--fz-4xl));
  font-weight: var(--fw-black);
  line-height: var(--lh-tight);
  color: var(--clr-text-primary);
  margin-bottom: var(--sp-4);
}

.section-title--white {
  color: white;
}

.section-title span {
  background: linear-gradient(135deg, var(--clr-accent), var(--clr-accent-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--fz-md);
  color: var(--clr-text-secondary);
  max-width: 580px;
  margin-inline: auto;
  line-height: var(--lh-loose);
}

.section-subtitle--white {
  color: rgba(255,255,255,0.75);
}

/* ─── Grid Utilities ─── */
.grid-2 { display: grid; grid-template-columns: 1fr; gap: var(--sp-8); }
.grid-3 { display: grid; grid-template-columns: 1fr; gap: var(--sp-6); }
.grid-4 { display: grid; grid-template-columns: 1fr 1fr; gap: var(--sp-6); }

@media (min-width: 640px) {
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 768px) {
  .grid-2 { grid-template-columns: repeat(2, 1fr); }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
  .grid-3 { grid-template-columns: repeat(3, 1fr); }
  .grid-4 { grid-template-columns: repeat(4, 1fr); }
}

/* ─── Flex Utilities ─── */
.flex { display: flex; }
.flex-col { flex-direction: column; }
.items-center { align-items: center; }
.justify-center { justify-content: center; }
.justify-between { justify-content: space-between; }
.gap-2 { gap: var(--sp-2); }
.gap-4 { gap: var(--sp-4); }
.gap-6 { gap: var(--sp-6); }

/* ─── Text Utilities ─── */
.text-center { text-align: center; }
.text-gradient {
  background: linear-gradient(135deg, var(--clr-primary-light), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

/* ─── Visibility for animation ─── */
.reveal {
  opacity: 0;
  transform: translateY(40px);
  transition: opacity var(--dur-slow) var(--ease-smooth),
              transform var(--dur-slow) var(--ease-smooth);
}

.reveal.visible {
  opacity: 1;
  transform: translateY(0);
}

.reveal-left {
  opacity: 0;
  transform: translateX(-40px);
  transition: opacity var(--dur-slow) var(--ease-smooth),
              transform var(--dur-slow) var(--ease-smooth);
}

.reveal-left.visible {
  opacity: 1;
  transform: translateX(0);
}

.reveal-right {
  opacity: 0;
  transform: translateX(40px);
  transition: opacity var(--dur-slow) var(--ease-smooth),
              transform var(--dur-slow) var(--ease-smooth);
}

.reveal-right.visible {
  opacity: 1;
  transform: translateX(0);
}

/* ─── Scroll bar ─── */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--clr-bg); }
::-webkit-scrollbar-thumb { background: var(--clr-primary-light); border-radius: 99px; }