@import url("https://fonts.googleapis.com/css2?family=Outfit:wght@300;400;500;600;700;800;900&family=Syne:wght@500;600;700;800&family=JetBrains+Mono:wght@400;500;600&display=swap");
@import url("root-variables.css");

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

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--nav-h);
  -webkit-text-size-adjust: 100%;
  background-color: var(--surface-base);
}

body {
  font-family: var(--font-body);
  font-weight: 400;
  font-size: 16px;
  line-height: var(--leading-body);
  color: var(--ink-200);
  background-color: var(--surface-1);
  /* Subtle, non-blending grain laid directly under content (no fixed pseudo). */
  background-image:
    radial-gradient(80% 50% at 80% 0%, rgba(59,130,246,0.07), transparent 60%),
    radial-gradient(70% 60% at 0% 100%, rgba(6,182,212,0.05), transparent 65%);
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

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

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-1) var(--ease-soft);
}

::selection {
  background: rgba(59, 130, 246, 0.35);
  color: var(--ink-100);
}

/* Custom scrollbar — subtle */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--surface-base); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(var(--accent-start), var(--accent-end));
  border-radius: var(--radius-pill);
  border: 2px solid var(--surface-base);
}

/* Focus styles — visible only via keyboard */
:focus-visible {
  outline: 2px solid var(--accent-end);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

/* ============================================================
   TYPOGRAPHY UTILITIES
   ============================================================ */
.font-display { font-family: var(--font-display); letter-spacing: var(--tracking-tight); }
.font-mono    { font-family: var(--font-mono); letter-spacing: var(--tracking-mono); }

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  color: var(--accent-end);
}
.eyebrow::before {
  content: "";
  width: 28px;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--accent-end));
}

.section-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 4.6vw, 3.6rem);
  letter-spacing: var(--tracking-tight);
  line-height: 1.05;
  color: var(--ink-100);
}

.section-desc {
  margin-top: var(--space-4);
  max-width: 56ch;
  color: var(--ink-300);
  font-size: clamp(1rem, 1.2vw, 1.0625rem);
}

.gradient-text {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

/* ============================================================
   LAYOUT
   ============================================================ */
.section {
  position: relative;
  padding: var(--space-10) var(--space-5);
  z-index: var(--z-content);
}
@media (max-width: 768px) {
  .section { padding: var(--space-9) var(--space-5); }
}

.container-x {
  max-width: var(--container-max);
  margin: 0 auto;
}

.section-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  margin-bottom: var(--space-8);
  max-width: 720px;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn-primary,
.btn-ghost,
.btn-soft {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0.85rem 1.5rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: var(--tracking-snug);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  cursor: pointer;
  transition:
    transform var(--dur-2) var(--ease-spring),
    box-shadow var(--dur-2) var(--ease-soft),
    background var(--dur-2) var(--ease-soft),
    color var(--dur-2) var(--ease-soft),
    border-color var(--dur-2) var(--ease-soft);
  white-space: nowrap;
  position: relative;
  isolation: isolate;
}

.btn-primary {
  background: var(--gradient-accent);
  color: #ffffff;
  box-shadow: var(--shadow-md);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-glow);
  color: #ffffff;
}
.btn-primary:active { transform: translateY(0); }

.btn-ghost {
  background: transparent;
  color: var(--ink-100);
  border-color: var(--border-bold);
}
.btn-ghost:hover {
  border-color: var(--accent-end);
  color: var(--accent-end);
  transform: translateY(-2px);
  background: var(--accent-soft);
}

.btn-soft {
  background: var(--surface-3);
  color: var(--ink-100);
  border-color: var(--border-soft);
}
.btn-soft:hover {
  background: var(--surface-4);
  border-color: var(--border-bold);
  transform: translateY(-1px);
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100dvh;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + var(--space-8)) var(--space-5) var(--space-9);
  overflow: hidden;
  background:
    radial-gradient(60% 50% at 75% 25%, rgba(59,130,246,0.16), transparent 60%),
    radial-gradient(50% 50% at 15% 85%, rgba(6,182,212,0.10), transparent 65%),
    linear-gradient(180deg, var(--surface-base) 0%, var(--surface-1) 60%, var(--surface-1) 100%);
  z-index: var(--z-content);
}
.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 60%, var(--surface-1) 100%);
  pointer-events: none;
  z-index: 0;
}
.hero > * { position: relative; z-index: 1; }

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-9);
  align-items: center;
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  position: relative;
  z-index: var(--z-content);
}

@media (max-width: 900px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: var(--space-7);
    text-align: center;
  }
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  padding: 0.45rem 0.9rem;
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-300);
}
.hero-eyebrow .dot {
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--accent-end);
  box-shadow: 0 0 10px var(--accent-glow);
  animation: pulse 2.4s var(--ease-soft) infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.55; transform: scale(0.85); }
}

.hero-title {
  margin-top: var(--space-5);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.6rem, 7vw, 5.4rem);
  line-height: 1.02;
  letter-spacing: var(--tracking-tight);
  color: var(--ink-100);
}
.hero-title .accent {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
}

.hero-sub {
  margin-top: var(--space-5);
  max-width: 52ch;
  color: var(--ink-300);
  font-size: clamp(1.05rem, 1.4vw, 1.18rem);
}
@media (max-width: 900px) {
  .hero-sub { margin-left: auto; margin-right: auto; }
}

.hero-ctas {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-6);
}
@media (max-width: 900px) {
  .hero-ctas { justify-content: center; }
}

.hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-5) var(--space-7);
  margin-top: var(--space-7);
  padding-top: var(--space-5);
  border-top: 1px solid var(--border-faint);
}
.hero-meta .meta-item {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.hero-meta .meta-label {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-400);
}
.hero-meta .meta-value {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  color: var(--ink-100);
}
@media (max-width: 900px) {
  .hero-meta { justify-content: center; }
}

/* Hero portrait — stacked frames, glowing accent ring */
.hero-portrait {
  position: relative;
  justify-self: center;
  width: min(420px, 100%);
  aspect-ratio: 4 / 5;
}
.hero-portrait .frame {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-xl);
  overflow: hidden;
  border: 1px solid var(--border-bold);
  background: var(--surface-2);
  box-shadow: var(--shadow-lg);
}
.hero-portrait .frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform var(--dur-4) var(--ease-out);
}
.hero-portrait:hover .frame img { transform: scale(1.04); }

.hero-portrait .frame::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, transparent 55%, rgba(6,10,16,0.85) 100%),
    linear-gradient(135deg, rgba(59,130,246,0.18), transparent 60%);
  mix-blend-mode: multiply;
  pointer-events: none;
}

.hero-portrait .ring {
  position: absolute;
  inset: -18px;
  border-radius: calc(var(--radius-xl) + 12px);
  border: 1px dashed var(--border-bold);
  pointer-events: none;
  animation: spin 32s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.hero-portrait .badge {
  position: absolute;
  bottom: -14px;
  left: -14px;
  padding: 0.6rem 0.9rem;
  background: var(--surface-3);
  border: 1px solid var(--border-bold);
  border-radius: var(--radius-pill);
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-200);
  box-shadow: var(--shadow-md);
}
.hero-portrait .badge i { color: var(--accent-end); }

/* Floating code chip top-right of portrait */
.hero-portrait .code-chip {
  position: absolute;
  top: -16px;
  right: -22px;
  background: var(--surface-3);
  border: 1px solid var(--border-bold);
  border-radius: var(--radius-md);
  padding: var(--space-3) var(--space-4);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--ink-300);
  box-shadow: var(--shadow-md);
  white-space: nowrap;
}
.hero-portrait .code-chip .key { color: var(--accent-end); }
.hero-portrait .code-chip .str { color: #f0abfc; }

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: var(--space-8);
  align-items: start;
}
@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: var(--space-7); }
}

.about-copy p {
  color: var(--ink-300);
  margin-top: var(--space-4);
  font-size: 1.0625rem;
}
.about-copy p:first-of-type { margin-top: var(--space-5); }

.stat-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--space-4);
}
.stat-card {
  background: var(--surface-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  position: relative;
  overflow: hidden;
  transition:
    transform var(--dur-2) var(--ease-spring),
    border-color var(--dur-2) var(--ease-soft),
    box-shadow var(--dur-2) var(--ease-soft);
}
.stat-card::before {
  content: "";
  position: absolute;
  inset: -1px;
  background: var(--gradient-accent-soft);
  opacity: 0;
  transition: opacity var(--dur-2) var(--ease-soft);
  pointer-events: none;
  border-radius: inherit;
}
.stat-card:hover {
  transform: translateY(-3px);
  border-color: var(--border-accent);
  box-shadow: var(--shadow-md);
}
.stat-card:hover::before { opacity: 1; }

.stat-card .num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 2.6rem;
  letter-spacing: var(--tracking-tight);
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  line-height: 1;
}
.stat-card .label {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: var(--tracking-mono);
  color: var(--ink-400);
}

/* ============================================================
   SERVICES (Rielcode pitch)
   ============================================================ */
.services-card {
  position: relative;
  padding: var(--space-8);
  border-radius: var(--radius-xl);
  background:
    linear-gradient(135deg, rgba(59,130,246,0.08), rgba(6,182,212,0.04)),
    var(--surface-2);
  border: 1px solid var(--border-soft);
  overflow: hidden;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: var(--space-7);
  align-items: center;
  box-shadow: var(--shadow-md);
}
.services-card::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(60% 80% at 80% 30%, rgba(6,182,212,0.18), transparent 60%);
  pointer-events: none;
}
.services-card > * { position: relative; z-index: 1; }

@media (max-width: 900px) {
  .services-card { grid-template-columns: 1fr; padding: var(--space-7); }
}

.services-pill-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-5);
}
.service-pill {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: var(--tracking-mono);
  text-transform: uppercase;
  padding: 0.4rem 0.8rem;
  border-radius: var(--radius-pill);
  background: var(--surface-3);
  border: 1px solid var(--border-soft);
  color: var(--ink-300);
}
.services-card .rielcode-mark img {
  width: clamp(120px, 18vw, 180px);
  filter: drop-shadow(0 8px 24px rgba(6,182,212,0.35));
}