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

/* BASE */
html {
  scroll-behavior: smooth;
}

body {
  display: block;              /* important: no flex on body */
  width: 100%;
  min-height: 100vh;
  font-family: "Inter", system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
  background: #020617;
  color: #f9fafb;
  overflow-x: hidden;
}

header,
section,
footer {
  display: block;
  width: 100%;
}

/* HERO SECTION */
.hero {
  min-height: 100vh;
  padding: 40px 20px;
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* soft glowing blobs */
.hero::before,
.hero::after {
  content: "";
  position: absolute;
  border-radius: 50%;
  filter: blur(40px);
  opacity: 0.35;
  z-index: -1;
}

.hero::before {
  width: 260px;
  height: 260px;
  background: #38bdf8;
  top: 10%;
  left: 5%;
  animation: floatA 16s ease-in-out infinite alternate;
}

.hero::after {
  width: 320px;
  height: 320px;
  background: #a855f7;
  bottom: 8%;
  right: 2%;
  animation: floatB 18s ease-in-out infinite alternate;
}

.hero-inner {
  text-align: center;
  max-width: 960px;
}

/* logo text */
.hero-logo-wrap {
  position: relative;
  display: inline-block;
  padding: 24px 36px;
}

.hero-welcome {
  position: absolute;
  top: 25px;              /* slightly above the logo */
  right: 450px;            /* just outside the logo's top-right boundary */
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  color: #e5e7eb;
  opacity: 0.95;
  white-space: nowrap;
  pointer-events: none;
}

.hero-logo-img {
  display: block;
  width: min(68vw, 520px);   /* responsive size */
  max-width: 100%;
  height: auto;
  margin: 0 auto;            /* exact horizontal center */
  object-fit: contain;
  animation: logoBreathe 3.8s ease-in-out infinite;
}

/* subtle breathing animation on the logo itself */
@keyframes logoBreathe {
  0%   { transform: scale(1); }
  50%  { transform: scale(1.025); }   /* subtle */
  100% { transform: scale(1); }
}




/* .hero-logo {
  font-size: clamp(3.2rem, 9vw, 5.5rem);
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: #f9fafb;
}

.hero-logo span {
  color: #38bdf8;
}

/* glowing ring */
/* .hero-logo-wrap::before {
  content: "";
  position: absolute;
  inset: -24px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.7);
  box-shadow: 0 0 30px rgba(56, 189, 248, 0.65);
  animation: pulseRing 4s ease-in-out infinite;
} */ */

/* tagline */
.hero-tagline {
  margin-top: 18px;   /* tightened gap */
  font-weight: 700;   /* bold */
  font-size: clamp(0.95rem, 1.8vw, 1.15rem); /* responsive */
  letter-spacing: 0.12em;
  text-transform: none;
  color: #e8eef6;
}


/* scroll hint */
.scroll-hint {
  margin-top: 16px;   /* pulled up */
  display: inline-flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: #8b93a0;
}

.scroll-mouse {
  width: 22px;
  height: 36px;
  border-radius: 999px;
  border: 1px solid rgba(148, 163, 184, 0.8);
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 4px;
  overflow: hidden;
}

.scroll-wheel {
  width: 6px;
  height: 6px;
  border-radius: 999px;
  background: #e5e7eb;
  animation: scrollDot 1.5s ease-in-out infinite;
}

/* SECTIONS */
.section {
  padding: 80px 20px;
}

.section-inner {
  max-width: 1080px;
  margin: 0 auto;
}

/* "Our work" intro */
.section-intro h2 {
  font-size: clamp(2rem, 4vw, 2.6rem);
  margin-bottom: 16px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-intro p {
  color: #d1d5db;
  max-width: 520px;
}

/* TILES */
.section-tiles {
  padding-top: 40px;
  padding-bottom: 100px;
}

.tiles-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 24px;
}

.tile {
  background: radial-gradient(circle at top left,
      rgba(148, 163, 184, 0.28),
      rgba(15, 23, 42, 0.98));
  border-radius: 20px;
  padding: 18px 18px 24px;
  border: 1px solid rgba(148, 163, 184, 0.5);
  box-shadow: 0 16px 30px rgba(15, 23, 42, 0.9);
  backdrop-filter: blur(8px);
  transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
}

.tile-label {
  display: block;
  font-size: 0.8rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: #9ca3af;
  margin-bottom: 14px;
}

.tile-body {
  font-size: 1.04rem;
  color: #e5e7eb;
}

/* tile hover */
.tile:hover {
  transform: translateY(-8px);
  box-shadow: 0 24px 45px rgba(15, 23, 42, 0.95);
  border-color: #38bdf8;
}

/* FOOTER */
.footer {
  border-top: 1px solid #111827;
  padding-bottom: 60px;
}

.footer p {
  color: #9ca3af;
  margin-bottom: 6px;
}

.footer-mail {
  display: inline-block;
  margin-bottom: 6px;
  color: #e5e7eb;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color 0.2s ease, border-color 0.2s ease;
}

.footer-mail:hover {
  color: #38bdf8;
  border-color: #38bdf8;
}

.footer-copy {
  font-size: 0.82rem;
  opacity: 0.8;
}

/* REVEAL ON SCROLL */
.reveal {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ANIMATIONS */
@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 0.9;
  }
  50% {
    transform: scale(1.05);
    opacity: 0.5;
  }
  100% {
    transform: scale(1);
    opacity: 0.9;
  }
}

@keyframes scrollDot {
  0% {
    transform: translateY(0);
    opacity: 1;
  }
  70% {
    transform: translateY(12px);
    opacity: 0;
  }
  100% {
    transform: translateY(0);
    opacity: 0;
  }
}

@keyframes floatA {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(40px, 50px, 0);
  }
}

@keyframes floatB {
  0% {
    transform: translate3d(0, 0, 0);
  }
  100% {
    transform: translate3d(-50px, -40px, 0);
  }
}

/* RESPONSIVE */
@media (max-width: 900px) {
  .tiles-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .section {
    padding: 70px 18px;
  }

  .tiles-grid {
    grid-template-columns: 1fr;
  }

  .hero-logo-wrap::before {
    inset: -18px;
  }
}