/* ═══════════════════════════════════════════
   SnowDay Technologies
   Playfair Display + IBM Plex Mono
   ═══════════════════════════════════════════ */

:root {
  --void: #060a10;
  --deep: #0a0f18;
  --panel: #0d1320;
  --panel-border: rgba(140, 180, 220, 0.08);
  --panel-hover: rgba(140, 180, 220, 0.12);
  --ice: #c8ddf0;
  --ice-dim: #7a95b0;
  --ice-bright: #e8f0f8;
  --signal: #d42c2c;
  --signal-glow: rgba(212, 44, 44, 0.25);
  --data: #4da8da;
  --data-dim: rgba(77, 168, 218, 0.15);
  --data-border: rgba(77, 168, 218, 0.3);
  --frost: rgba(200, 220, 240, 0.06);
  --font-display: 'Playfair Display', Georgia, serif;
  --font-mono: 'IBM Plex Mono', 'Consolas', monospace;
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}

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

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  font-weight: 400;
  line-height: 1.7;
  color: var(--ice);
  background: var(--void);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

/* ── Snow canvas ── */
#snowCanvas {
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
}

/* ── Section container ── */
.section-container {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  position: relative;
  z-index: 2;
}

/* ── Section labels ── */
.section-label {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 1rem;
  opacity: 0;
  transform: translateY(12px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.section-label.revealed { opacity: 1; transform: translateY(0); }
.section-label--center { justify-content: center; }

.section-label-num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--signal);
  letter-spacing: 0.05em;
}

.section-label-line {
  width: 2.5rem;
  height: 1px;
  background: var(--panel-border);
}

.section-label-text {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  color: var(--ice-dim);
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 700;
  color: var(--ice-bright);
  letter-spacing: -0.01em;
  line-height: 1.15;
  margin-bottom: 3rem;
  opacity: 0;
  transform: translateY(16px);
  transition: opacity 0.7s var(--ease-out) 0.1s, transform 0.7s var(--ease-out) 0.1s;
}
.section-title.revealed { opacity: 1; transform: translateY(0); }

/* ═══════════════════════════════════════════
   NAVIGATION
   ═══════════════════════════════════════════ */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 1.25rem 0;
  transition: background 0.4s ease, padding 0.4s ease, backdrop-filter 0.4s ease;
}

.nav--scrolled {
  background: rgba(6, 10, 16, 0.85);
  backdrop-filter: blur(20px) saturate(1.2);
  -webkit-backdrop-filter: blur(20px) saturate(1.2);
  padding: 0.75rem 0;
  border-bottom: 1px solid var(--panel-border);
}

.nav-inner {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 0.15rem;
  text-decoration: none;
}

.nav-logo-img {
  width: 65px;
  height: 65px;
  object-fit: contain;
  border-radius: 50%;
  transition: transform 0.3s var(--ease-spring);
}
.nav-logo:hover .nav-logo-img { transform: scale(1.08); }

.nav-logo-fallback {
  font-size: 2rem;
  color: var(--data);
}

.nav-logo-text {
  font-family: var(--font-display);
  font-style: italic;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--ice-bright);
  letter-spacing: -0.01em;
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 0.25rem;
}

.nav-link {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ice-dim);
  text-decoration: none;
  padding: 0.5rem 1rem;
  border-radius: 4px;
  transition: color 0.2s ease, background 0.2s ease;
}
.nav-link:hover { color: var(--ice-bright); background: var(--frost); }

.nav-link--cta {
  color: var(--signal);
  border: 1px solid rgba(212, 44, 44, 0.3);
  margin-left: 0.5rem;
}
.nav-link--cta:hover {
  background: var(--signal-glow);
  color: #ff4444;
  border-color: rgba(212, 44, 44, 0.5);
}

/* ═══════════════════════════════════════════
   HERO
   ═══════════════════════════════════════════ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 7rem 0 4rem;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 60% 50% at 25% 50%, rgba(77, 168, 218, 0.06), transparent),
    radial-gradient(ellipse 40% 60% at 80% 30%, rgba(212, 44, 44, 0.04), transparent),
    radial-gradient(ellipse 80% 40% at 50% 100%, rgba(6, 10, 16, 0.9), transparent);
  z-index: 1;
  pointer-events: none;
}

.hero-grid {
  max-width: 72rem;
  margin: 0 auto;
  padding: 0 clamp(1.25rem, 4vw, 3rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 3rem;
  align-items: center;
  position: relative;
  z-index: 2;
}


.hero-content {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

/* Hero title */
.hero-title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 7vw, 5.5rem);
  font-weight: 900;
  line-height: 1.0;
  letter-spacing: -0.03em;
  color: var(--ice-bright);
}

.hero-title-line {
  display: block;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.35s both;
}

.hero-title-line--italic {
  font-style: italic;
  font-weight: 400;
  color: var(--ice);
  animation-delay: 0.5s;
}

.hero-title-line--first {
  animation-delay: 0.35s;
}

/* Hero description */
.hero-desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ice-dim);
  max-width: 44rem;
  line-height: 1.75;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.6s both;
}

/* Hero tags */
.hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.7s both;
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--ice-dim);
  padding: 0.35rem 0.85rem;
  border: 1px solid var(--panel-border);
  border-radius: 2px;
  background: var(--frost);
  transition: border-color 0.2s ease, color 0.2s ease;
}
.tag:hover { border-color: var(--data-border); color: var(--data); }

.tag--active {
  border-color: var(--data-border);
  color: var(--data);
}

/* Hero actions */
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 0.5rem;
  animation: fadeSlideUp 0.9s var(--ease-out) 0.85s both;
}

/* Scroll indicator */
.hero-scroll-indicator {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  animation: fadeIn 1s var(--ease-out) 1.5s both;
}

.scroll-line {
  width: 1px;
  height: 48px;
  background: linear-gradient(to bottom, var(--ice-dim), transparent);
  animation: scrollPulse 2s ease-in-out infinite;
}

/* ═══════════════════════════════════════════
   BUTTONS
   ═══════════════════════════════════════════ */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  padding: 0.75rem 1.5rem;
  border: 1px solid var(--panel-border);
  border-radius: 3px;
  background: transparent;
  color: var(--ice);
  cursor: pointer;
  transition: all 0.25s ease;
  appearance: none;
}

.btn--primary {
  background: var(--signal);
  border-color: var(--signal);
  color: #fff;
}
.btn--primary:hover {
  background: #e83333;
  border-color: #e83333;
  box-shadow: 0 4px 24px var(--signal-glow), 0 0 60px rgba(212, 44, 44, 0.1);
  transform: translateY(-1px);
}

.btn--ghost {
  background: transparent;
  border-color: var(--panel-border);
  color: var(--ice-dim);
}
.btn--ghost:hover {
  border-color: var(--ice-dim);
  color: var(--ice-bright);
  background: var(--frost);
}

.btn--lg { padding: 0.9rem 2rem; font-size: 0.85rem; }

.btn-arrow {
  transition: transform 0.25s var(--ease-spring);
  font-size: 1.1em;
}
.btn:hover .btn-arrow { transform: translateX(3px); }

/* ═══════════════════════════════════════════
   SERVICES
   ═══════════════════════════════════════════ */
.services {
  position: relative;
  padding: 6rem 0 7rem;
  z-index: 2;
}

.services::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--panel-border), transparent);
}

.services-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--panel-border);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  overflow: hidden;
}

@media (min-width: 640px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (min-width: 1024px) {
  .services-grid { grid-template-columns: repeat(3, 1fr); }
}

.service-card {
  background: var(--deep);
  padding: 2rem 1.75rem;
  position: relative;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.5s var(--ease-out), transform 0.5s var(--ease-out), background 0.3s ease;
}

.service-card.revealed {
  opacity: 1;
  transform: translateY(0);
}

.service-card[data-index="1"].revealed { transition-delay: 0.06s; }
.service-card[data-index="2"].revealed { transition-delay: 0.12s; }
.service-card[data-index="3"].revealed { transition-delay: 0.18s; }
.service-card[data-index="4"].revealed { transition-delay: 0.24s; }
.service-card[data-index="5"].revealed { transition-delay: 0.30s; }

.service-card:hover {
  background: var(--panel);
}

.service-card::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 1.75rem;
  right: 1.75rem;
  height: 1px;
  background: linear-gradient(to right, var(--data-border), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.service-card:hover::after { opacity: 1; }

.service-icon {
  width: 36px;
  height: 36px;
  color: var(--data);
  margin-bottom: 1.25rem;
  opacity: 0.8;
  transition: opacity 0.2s ease, transform 0.3s var(--ease-spring);
}
.service-card:hover .service-icon { opacity: 1; }

.service-icon svg {
  width: 100%;
  height: 100%;
}

.service-title {
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--ice-bright);
  margin-bottom: 0.6rem;
  letter-spacing: -0.01em;
}

.service-desc {
  font-size: 0.85rem;
  font-weight: 300;
  color: var(--ice-dim);
  line-height: 1.65;
}

.service-line {
  width: 32px;
  height: 2px;
  background: var(--data);
  margin-top: 1.25rem;
  opacity: 0.4;
  transition: width 0.3s var(--ease-out), opacity 0.3s ease;
}
.service-card:hover .service-line { width: 72px; opacity: 0.8; }

/* ═══════════════════════════════════════════
   ABOUT
   ═══════════════════════════════════════════ */
.about {
  position: relative;
  padding: 6rem 0 7rem;
  z-index: 2;
}

.about::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--panel-border), transparent);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr; /* Stack on small screens */
  gap: 2rem;
  align-items: start;
}


.about-block {
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.about-block.revealed { opacity: 1; transform: translateY(0); }

.about-block--main {
  background: var(--deep);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  padding: clamp(1.75rem, 3vw, 2.5rem);
}

.about-block-header {
  margin-bottom: 1.5rem;
}

.about-block-tag {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--data);
  padding: 0.3rem 0.7rem;
  border: 1px solid var(--data-border);
  border-radius: 2px;
  background: var(--data-dim);
}

.about-text {
  font-size: 0.9375rem;
  font-weight: 300;
  color: var(--ice-dim);
  line-height: 1.8;
  margin-bottom: 1rem;
}
.about-text:last-child { margin-bottom: 0; }

/* ═══════════════════════════════════════════
   CONTACT
   ═══════════════════════════════════════════ */
.contact {
  position: relative;
  padding: 8rem 0 9rem;
  z-index: 2;
}

.contact::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--panel-border), transparent);
}

.contact-inner {
  max-width: 48rem;
  margin: 0 auto;
  text-align: center;
  opacity: 0;
  transform: translateY(20px);
  transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
}
.contact-inner.revealed { opacity: 1; transform: translateY(0); }

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 5vw, 3.8rem);
  font-weight: 900;
  color: var(--ice-bright);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin-bottom: 1.5rem;
}

.contact-desc {
  font-size: 1.05rem;
  font-weight: 300;
  color: var(--ice-dim);
  margin-bottom: 2.5rem;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
  line-height: 1.7;
}

.contact-email-block {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 2.5rem;
  padding: 1.75rem 2.5rem;
  background: var(--deep);
  border: 1px solid var(--panel-border);
  border-radius: 4px;
  max-width: 28rem;
  margin-left: auto;
  margin-right: auto;
}

.contact-email-label {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--ice-dim);
}

.contact-email {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 500;
  color: var(--data);
  text-decoration: none;
  transition: color 0.2s ease;
}
.contact-email:hover { color: var(--ice-bright); }

.contact-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

/* ═══════════════════════════════════════════
   FOOTER
   ═══════════════════════════════════════════ */
.footer {
  position: relative;
  z-index: 2;
  padding: 2.5rem 0;
  border-top: 1px solid var(--panel-border);
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 1rem;
}

.footer-copy {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--ice-dim);
  opacity: 0.5;
}

/* ═══════════════════════════════════════════
   ANIMATIONS
   ═══════════════════════════════════════════ */
@keyframes fadeSlideUp {
  from { opacity: 0; transform: translateY(24px); }
  to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes scrollPulse {
  0% { opacity: 0; transform: scaleY(0); transform-origin: top; }
  30% { opacity: 1; transform: scaleY(1); }
  70% { opacity: 1; transform: scaleY(1); }
  100% { opacity: 0; transform: scaleY(0); transform-origin: bottom; }
}

/* ═══════════════════════════════════════════
   RESPONSIVE
   ═══════════════════════════════════════════ */
@media (max-width: 639px) {
  .hero { min-height: auto; padding: 6rem 0 3rem; }
  .nav-links { gap: 0; }
  .nav-link { padding: 0.4rem 0.6rem; font-size: 0.7rem; }
  .nav-logo-text { display: none; }
}

/* Reduce motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  #snowCanvas { display: none; }
}