/* ═══════════════════════════════════════════════
   PALMO – BASE STYLES
   Reset · Variables · Typography · Buttons · Utils
   ═══════════════════════════════════════════════ */

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

:root {
  /* Palette */
  --green-deep:   #1B4D2E;
  --green-mid:    #2E7D45;
  --green-light:  #6BBF5A;
  --green-pale:   #E8F5E9;
  --green-bg:     #F4FAF5;
  --dark:         #0C1C11;
  --muted:        #6B7C6F;
  --border:       rgba(46, 125, 69, 0.14);
  --white:        #ffffff;
  --bg:           #F8FAF8;

  /* Shadows */
  --shadow-sm:    0 2px 8px rgba(27,77,46,0.08);
  --shadow-md:    0 4px 24px rgba(27,77,46,0.12);
  --shadow-lg:    0 8px 48px rgba(27,77,46,0.18);

  /* Radii */
  --r-sm:   8px;
  --r-md:   14px;
  --r-lg:   20px;
  --r-full: 100px;
}

html { scroll-behavior: smooth; }

body {
  font-family: 'DM Sans', sans-serif;
  background: var(--bg);
  color: var(--dark);
  overflow-x: hidden;
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

img { max-width: 100%; display: block; }
a   { color: inherit; }

/* ── TYPOGRAPHY ── */

.label {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  color: var(--green-mid);
  display: block;
  margin-bottom: 0.5rem;
}

.title {
  font-family: 'Bebas Neue', sans-serif;
  font-size: clamp(2.6rem, 7vw, 5rem);
  line-height: 0.95;
  color: var(--dark);
  margin-bottom: 1.25rem;
}

/* ── BUTTONS ── */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 13px 28px;
  border-radius: var(--r-full);
  font-family: 'DM Sans', sans-serif;
  font-size: 0.88rem;
  font-weight: 500;
  letter-spacing: 0.3px;
  text-decoration: none;
  border: none;
  cursor: pointer;
  transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease,
              color 0.2s ease, border-color 0.2s ease;
  white-space: nowrap;
  /* Minimum touch target size */
  min-height: 44px;
}
.btn:hover { transform: translateY(-2px); }

.btn-primary {
  background: var(--green-deep);
  color: #fff;
  box-shadow: 0 4px 16px rgba(27,77,46,0.22);
}
.btn-primary:hover {
  background: var(--green-mid);
  box-shadow: 0 6px 24px rgba(27,77,46,0.32);
}

.btn-outline {
  background: transparent;
  color: var(--green-deep);
  border: 1.5px solid var(--green-deep);
}
.btn-outline:hover { background: rgba(27,77,46,0.06); }

.btn-ghost {
  background: rgba(255,255,255,0.10);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.22);
  backdrop-filter: blur(8px);
}
.btn-ghost:hover { background: rgba(255,255,255,0.20); }

/* ── TAGS ── */

.tag {
  background: var(--green-bg);
  border: 0.5px solid var(--border);
  color: var(--green-deep);
  font-size: 0.72rem;
  font-weight: 500;
  line-height: 1;
  padding: 6px 12px;
  border-radius: var(--r-full);
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

/* ── CONTAINERS ── */

.container      { max-width: 960px;  margin: 0 auto; padding: 0 2rem; }
.container-wide { max-width: 1200px; margin: 0 auto; padding: 0 2rem; }

/* ── ANIMATIONS ── */

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(24px); }
  to   { opacity: 1; transform: translateY(0); }
}

.animate-fade-up {
  opacity: 0;
  transform: translateY(28px);
  transition: opacity 0.65s ease, transform 0.65s ease;
}
.animate-fade-up.visible {
  opacity: 1;
  transform: translateY(0);
}

/* Hero items: animate on page load, not via IntersectionObserver */
.hero-anim {
  opacity: 0;
  animation: fadeUp 0.7s ease forwards;
}

.delay-1 { transition-delay: 0.12s; }
.delay-2 { transition-delay: 0.24s; }
.delay-3 { transition-delay: 0.36s; }
.delay-4 { transition-delay: 0.48s; }
.delay-5 { transition-delay: 0.60s; }

.anim-delay-1 { animation-delay: 0.10s; }
.anim-delay-2 { animation-delay: 0.20s; }
.anim-delay-3 { animation-delay: 0.30s; }
.anim-delay-4 { animation-delay: 0.45s; }
.anim-delay-5 { animation-delay: 0.60s; }

/* ── UTILITY ── */

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

/* ── RESPONSIVE BASE ── */

@media (max-width: 640px) {
  .container,
  .container-wide { padding: 0 1.25rem; }
}

/* ── SCROLL-TO-TOP ── */

#scrollToTop {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 150;
  width: 46px; height: 46px;
  border-radius: 50%;
  background: var(--green-deep);
  color: #fff;
  border: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 16px rgba(27,77,46,0.3);
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.3s ease, transform 0.3s ease, background 0.2s ease;
  pointer-events: none;
}
#scrollToTop.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
#scrollToTop:hover { background: var(--green-mid); }

@media (max-width: 640px) {
  #scrollToTop { bottom: 1.25rem; right: 1.25rem; }
}