/* css/base.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

/* ─── SVG Background ─── */
.svg-background {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  overflow: hidden;
  z-index: -1;
  pointer-events: none;
}

.background__svg01 {
  position: absolute;
  top: -15vh;
  right: -10vw;
  width: 465px; height: 465px;
}
.background__svg01 svg {
  width: 100%; height: 100%;
  opacity: 0;
  transform: translate3d(50px, -50px, 0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.svg-background.loaded .background__svg01 svg {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

.background__svg02 {
  position: absolute;
  top: 60vh;
  left: -8vw;
  width: 320px; height: 320px;
}
.background__svg02 svg {
  width: 100%; height: 100%;
  opacity: 0;
  transform: translate3d(-50px, 50px, 0);
  transition: opacity 0.8s ease, transform 0.8s ease;
}
.svg-background.loaded .background__svg02 svg {
  opacity: 1;
  transform: translate3d(0, 0, 0);
}

@media (min-width: 1200px) {
  .background__svg01 { top: -25vh; right: -6vw; width: 580px; height: 580px; }
  .background__svg02 { top: 60vh; left: -8vw; width: 425px; height: 425px; }
}
@media (min-width: 1600px) {
  .background__svg01 { top: -45vh; right: -5vw; width: 880px; height: 880px; }
}

/* Reusable wrappers */
.container { max-width: var(--max-width); margin: 0 auto; padding: 0 5vw; }
.section   { padding: 6rem 0; }

/* Shared text utilities */
.section-label {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em;
  text-transform: uppercase; color: var(--accent); display: block;
  margin-bottom: 0.5rem;
}
.section-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.8rem);
  line-height: 1.1; margin-bottom: 1rem;

  font-weight: 700;
}

/* Shared buttons */
.btn {
  display: inline-flex; align-items: center; gap: 0.5rem;
  padding: 0.7rem 1.5rem; border-radius: 50px;
  font-size: 0.88rem; font-weight: 600; cursor: pointer;
  text-decoration: none; transition: all 0.2s; border: 2px solid transparent;
}
.btn-primary { background: var(--ink); color: var(--bg); }
.btn-primary:hover { background: var(--accent); }
.btn-outline  { border-color: var(--border); color: var(--ink); }
.btn-outline:hover { border-color: var(--ink); }

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

/* Hero load animations */
.hero-text .section-label { animation: fadeUp 0.6s 0.1s both ease-out; }
.hero-title                { animation: fadeUp 0.6s 0.2s both ease-out; }
.hero-desc                 { animation: fadeUp 0.6s 0.3s both ease-out; }
.hero-actions              { animation: fadeUp 0.6s 0.4s both ease-out; }
.hero-image                { animation: fadeUp 0.8s 0.25s both ease-out; }

/* Scroll reveals */
.reveal { opacity: 0; transform: translateY(20px); transition: opacity 0.6s ease, transform 0.6s ease; }
.reveal.revealed { opacity: 1; transform: translateY(0); }

/* Staggered children */
.reveal-stagger > * { opacity: 0; transform: translateY(16px); transition: opacity 0.5s ease, transform 0.5s ease; }
.reveal-stagger.revealed > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0.05s; }
.reveal-stagger.revealed > *:nth-child(2) { opacity: 1; transform: none; transition-delay: 0.15s; }
.reveal-stagger.revealed > *:nth-child(3) { opacity: 1; transform: none; transition-delay: 0.25s; }
.reveal-stagger.revealed > *:nth-child(4) { opacity: 1; transform: none; transition-delay: 0.35s; }

/* ─── Footer ─── */
.site-footer {
  background: var(--bg);
  border-top: 1px solid var(--border);
  padding: 1.5rem 0;
}
.footer-inner {
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 0.5rem;
  font-size: 0.78rem; color: var(--ink-soft);
}
.footer-inner a { color: var(--ink-soft); text-decoration: none; transition: color 0.2s; }
.footer-inner a:hover { color: var(--ink); }
/* ─── Floating social buttons (all pages) ─── */
.floating-socials {
  position: fixed;
  bottom: 24px;
  right: 24px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  z-index: 1000;
}
.floating-socials__btn {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--accent-dim);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border: 1px solid var(--accent);
  color: inherit;
  text-decoration: none;
  transition: background 0.2s, transform 0.2s;
}
.floating-socials__btn:hover {
  background: rgba(255, 255, 255, 0.3);
  transform: scale(1.1);
}
.floating-socials__label {
  position: absolute;
  right: calc(100% + 10px);
  white-space: nowrap;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--ink);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.25rem 0.6rem;
  opacity: 0;
  transform: translateX(6px);
  transition: opacity 0.2s, transform 0.2s;
  pointer-events: none;
}
.floating-socials__btn:hover .floating-socials__label {
  opacity: 1;
  transform: translateX(0);
}