/* ==========================================================================
   NATSKY — Portfólio · style.css
   Design system: dark deep-tech / terminal de IA sofisticado
   Paleta: almost-black + cyan/teal + amber/gold
   ========================================================================== */

/* -------- Design Tokens -------- */
:root {
  /* Backgrounds */
  --bg-0: #0a0b0f;
  --bg-1: #0e1016;
  --bg-2: #12141a;
  --bg-3: #181a22;
  --bg-card: rgba(20, 22, 30, 0.65);
  --bg-card-hover: rgba(28, 31, 41, 0.85);

  /* Foregrounds */
  --fg-0: #f4f6fb;
  --fg-1: #c9cdd6;
  --fg-2: #8b919e;
  --fg-3: #5a6070;

  /* Accents */
  --teal: #22d3ee;
  --teal-soft: #67e8f9;
  --teal-deep: #0891b2;
  --teal-glow: rgba(34, 211, 238, 0.45);
  --amber: #fbbf24;
  --amber-soft: #fcd34d;
  --amber-deep: #d97706;
  --amber-glow: rgba(251, 191, 36, 0.45);

  /* Lines */
  --line: rgba(255, 255, 255, 0.08);
  --line-strong: rgba(255, 255, 255, 0.16);
  --line-teal: rgba(34, 211, 238, 0.25);

  /* Fonts */
  --font-sans: 'Inter', system-ui, -apple-system, sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, monospace;
  --font-display: 'Space Grotesk', 'Inter', sans-serif;

  /* Sizes */
  --container: 1200px;
  --gutter: clamp(1.25rem, 4vw, 3rem);
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 18px;
  --radius-xl: 28px;

  /* Easings */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);

  /* Shadows */
  --shadow-card: 0 20px 60px -20px rgba(0, 0, 0, 0.6), 0 2px 4px rgba(0, 0, 0, 0.3);
  --shadow-glow-teal: 0 0 40px -8px var(--teal-glow);
  --shadow-glow-amber: 0 0 40px -8px var(--amber-glow);
}

/* -------- Reset -------- */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  background: var(--bg-0);
  color: var(--fg-1);
  line-height: 1.6;
  font-size: 16px;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
img, svg { display: block; max-width: 100%; }
a { color: inherit; text-decoration: none; }
button { font: inherit; cursor: pointer; border: none; background: none; color: inherit; }
input, textarea, select { font: inherit; color: inherit; }
ul { list-style: none; }

::selection { background: var(--teal); color: var(--bg-0); }

/* Scrollbar */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-0); }
::-webkit-scrollbar-thumb {
  background: linear-gradient(180deg, var(--teal-deep), var(--bg-3));
  border-radius: 8px;
  border: 2px solid var(--bg-0);
}
::-webkit-scrollbar-thumb:hover { background: var(--teal); }

/* -------- Layout helpers -------- */
.container {
  width: 100%;
  max-width: var(--container);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

.section {
  padding: clamp(5rem, 12vw, 9rem) 0;
  position: relative;
}
.section--alt {
  background:
    linear-gradient(180deg, transparent 0%, rgba(34, 211, 238, 0.015) 50%, transparent 100%),
    var(--bg-1);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.section__header {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: clamp(2rem, 5vw, 3.5rem);
}
.section__num {
  font-family: var(--font-mono);
  font-size: 0.875rem;
  color: var(--teal);
  letter-spacing: 0.05em;
}
.section__title {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 600;
  color: var(--fg-0);
  letter-spacing: -0.02em;
}
.section__line {
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, var(--line-strong), transparent);
}
.section__lead {
  max-width: 60ch;
  color: var(--fg-2);
  font-size: 1.05rem;
  margin-bottom: 3rem;
}

/* -------- Custom cursor -------- */
.cursor-dot, .cursor-ring {
  position: fixed;
  top: 0; left: 0;
  pointer-events: none;
  z-index: 9999;
  border-radius: 50%;
  mix-blend-mode: difference;
  will-change: transform;
}
.cursor-dot {
  width: 6px; height: 6px;
  background: var(--teal);
  transform: translate(-50%, -50%);
}
.cursor-ring {
  width: 34px; height: 34px;
  border: 1px solid var(--teal);
  transform: translate(-50%, -50%);
  transition: width 0.25s var(--ease-out), height 0.25s var(--ease-out), background 0.2s;
}
.cursor-ring.is-hover {
  width: 56px; height: 56px;
  background: rgba(34, 211, 238, 0.08);
}

@media (hover: none) {
  .cursor-dot, .cursor-ring { display: none; }
}

/* -------- Preloader -------- */
.preloader {
  position: fixed; inset: 0;
  background: var(--bg-0);
  z-index: 10000;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.5rem;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}
.preloader.is-hidden { opacity: 0; visibility: hidden; }
.preloader__logo {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.25rem);
  font-weight: 700;
  display: flex;
  gap: 0.5rem;
  color: var(--fg-0);
}
.preloader__bracket { color: var(--teal); }
.preloader__text { color: var(--fg-0); }
.preloader__bar {
  width: 200px;
  height: 2px;
  background: var(--bg-3);
  overflow: hidden;
  border-radius: 2px;
}
.preloader__bar span {
  display: block;
  height: 100%;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  animation: preload-fill 1.4s var(--ease-out) forwards;
}
@keyframes preload-fill {
  to { width: 100%; }
}

/* -------- Particles + Grid background -------- */
#particles-canvas {
  position: fixed;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}
.grid-overlay {
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(34, 211, 238, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.04) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 0%, transparent 75%);
}

/* -------- Scroll progress -------- */
.scroll-progress {
  position: fixed;
  top: 0; left: 0;
  height: 2px;
  width: 0%;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  z-index: 9998;
  box-shadow: 0 0 10px var(--teal-glow);
}

/* -------- Navigation -------- */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  transition: background 0.3s, backdrop-filter 0.3s, border-color 0.3s;
  border-bottom: 1px solid transparent;
}
.nav.is-scrolled {
  background: rgba(10, 11, 15, 0.75);
  backdrop-filter: blur(16px) saturate(180%);
  -webkit-backdrop-filter: blur(16px) saturate(180%);
  border-bottom-color: var(--line);
}
.nav__inner {
  max-width: var(--container);
  margin: 0 auto;
  padding: 1rem var(--gutter);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}
.nav__brand {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg-0);
}
.nav__brand-mark {
  display: inline-grid;
  place-items: center;
  width: 30px; height: 30px;
  border: 1px solid var(--teal);
  color: var(--teal);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  box-shadow: inset 0 0 12px rgba(34, 211, 238, 0.2);
}
.nav__brand-cursor {
  color: var(--teal);
  animation: blink 1.1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }

.nav__links {
  display: flex;
  gap: 0.25rem;
  align-items: center;
}
.nav__link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-2);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  transition: color 0.2s, background 0.2s;
}
.nav__link-num {
  color: var(--fg-3);
  font-size: 0.75rem;
}
.nav__link:hover {
  color: var(--fg-0);
  background: rgba(34, 211, 238, 0.06);
}
.nav__link:hover .nav__link-num { color: var(--teal); }

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
}
.nav__toggle span {
  width: 22px; height: 2px;
  background: var(--fg-0);
  border-radius: 2px;
  transition: transform 0.3s, opacity 0.3s;
}
.nav__toggle.is-open span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.nav__toggle.is-open span:nth-child(2) { opacity: 0; }
.nav__toggle.is-open span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* -------- Buttons -------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-md);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  position: relative;
  overflow: hidden;
  transition: transform 0.2s var(--ease-out), box-shadow 0.3s, color 0.2s, background 0.2s, border-color 0.2s;
  isolation: isolate;
}
.btn--primary {
  background: linear-gradient(135deg, var(--teal), var(--teal-deep));
  color: var(--bg-0);
  font-weight: 600;
  box-shadow: 0 8px 24px -8px var(--teal-glow);
}
.btn--primary::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, var(--amber), var(--teal));
  opacity: 0;
  transition: opacity 0.3s;
  z-index: -1;
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 36px -8px var(--teal-glow), 0 0 30px -10px var(--amber-glow);
}
.btn--primary:hover::before { opacity: 1; }
.btn--primary:active { transform: translateY(0); }

.btn--ghost {
  border: 1px solid var(--line-strong);
  color: var(--fg-0);
  background: rgba(255, 255, 255, 0.02);
}
.btn--ghost:hover {
  border-color: var(--teal);
  color: var(--teal);
  background: rgba(34, 211, 238, 0.06);
  transform: translateY(-2px);
}
.btn--block { width: 100%; }

/* Ripple */
.btn::after {
  content: '';
  position: absolute;
  width: 0; height: 0;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.3);
  top: 50%; left: 50%;
  transform: translate(-50%, -50%);
  transition: width 0.5s, height 0.5s, opacity 0.5s;
  opacity: 0;
  pointer-events: none;
}
.btn:active::after { width: 300px; height: 300px; opacity: 1; transition: 0s; }

/* -------- HERO -------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  padding: 6rem var(--gutter) 4rem;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  top: 20%; right: -10%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(34, 211, 238, 0.08), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -10%; left: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(251, 191, 36, 0.06), transparent 70%);
  filter: blur(60px);
  pointer-events: none;
}
.hero__inner {
  max-width: var(--container);
  margin: 0 auto;
  width: 100%;
  position: relative;
  z-index: 1;
}
.hero__status {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-2);
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(20, 22, 30, 0.5);
  margin-bottom: 2rem;
}
.hero__status-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 8px var(--teal);
  animation: pulse 2s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(3rem, 11vw, 8rem);
  font-weight: 700;
  line-height: 0.95;
  letter-spacing: -0.04em;
  color: var(--fg-0);
  margin-bottom: 0.5rem;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.hero__name {
  background: linear-gradient(180deg, var(--fg-0) 60%, var(--fg-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}
.hero__handle {
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2vw, 1.25rem);
  color: var(--teal);
  font-weight: 400;
  letter-spacing: 0.02em;
}

.hero__typing {
  font-family: var(--font-mono);
  font-size: clamp(1.1rem, 3vw, 1.6rem);
  color: var(--fg-1);
  margin: 1.5rem 0 2rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  min-height: 2.5em;
}
.hero__prompt { color: var(--amber); }
.hero__role { color: var(--fg-0); font-weight: 500; }
.hero__caret {
  color: var(--teal);
  animation: blink 1s steps(1) infinite;
}

.hero__lead {
  max-width: 60ch;
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--fg-2);
  margin-bottom: 2.5rem;
}
.hero__lead strong { color: var(--fg-0); }

.hero__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-bottom: 4rem;
}

.hero__stats {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--line);
  max-width: 700px;
}
.stat {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}
.stat__num {
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 700;
  color: var(--teal);
  line-height: 1;
  display: inline;
}
.stat__suffix {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.75rem);
  font-weight: 600;
  color: var(--amber);
  display: inline;
  margin-left: 2px;
}
.stat__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-3);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-top: 0.5rem;
}

.hero__scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0.5rem;
  color: var(--fg-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  transition: color 0.2s;
}
.hero__scroll:hover { color: var(--teal); }
.hero__scroll-line {
  width: 1px;
  height: 50px;
  background: linear-gradient(180deg, currentColor, transparent);
  position: relative;
  overflow: hidden;
}
.hero__scroll-line::after {
  content: '';
  position: absolute;
  top: -50%;
  left: 0;
  width: 100%;
  height: 50%;
  background: var(--teal);
  animation: scroll-line 2s var(--ease-out) infinite;
}
@keyframes scroll-line {
  0% { top: -50%; }
  100% { top: 100%; }
}

/* -------- About -------- */
.about {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.about__text p { margin-bottom: 1.25rem; color: var(--fg-1); }
.about__text strong { color: var(--fg-0); }
.about__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}
.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line-strong);
  border-radius: 999px;
  color: var(--fg-2);
  background: rgba(34, 211, 238, 0.04);
  transition: border-color 0.2s, color 0.2s;
}
.tag:hover { border-color: var(--teal); color: var(--teal); }

.terminal {
  background: var(--bg-2);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-card);
}
.terminal__bar {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.75rem 1rem;
  background: var(--bg-3);
  border-bottom: 1px solid var(--line);
}
.terminal__dot {
  width: 10px; height: 10px;
  border-radius: 50%;
}
.terminal__dot--red { background: #ff5f56; }
.terminal__dot--yellow { background: #ffbd2e; }
.terminal__dot--green { background: #27c93f; }
.terminal__title {
  margin-left: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-3);
}
.terminal__body {
  padding: 1.25rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--fg-1);
  overflow-x: auto;
}
.t-comment { color: var(--fg-3); }
.t-key { color: var(--teal); }
.t-str { color: var(--amber); }

/* -------- Stack -------- */
.stack {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: clamp(1.5rem, 4vw, 3rem);
}
.stack__group {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.3s;
}
.stack__group:hover {
  border-color: var(--line-teal);
  transform: translateY(-4px);
}
.stack__group-title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 1.5rem;
  display: flex;
  align-items: center;
  gap: 0.6rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.stack__icon { color: var(--teal); font-size: 0.9rem; }

.skill-list { display: flex; flex-direction: column; gap: 1rem; }
.skill__head {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0.4rem;
  font-size: 0.9rem;
  color: var(--fg-1);
}
.skill__pct {
  font-family: var(--font-mono);
  color: var(--fg-3);
  font-size: 0.8rem;
}
.skill__bar {
  height: 4px;
  background: var(--bg-3);
  border-radius: 999px;
  overflow: hidden;
  position: relative;
}
.skill__bar span {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--teal), var(--amber));
  border-radius: 999px;
  transition: width 1.2s var(--ease-out);
  position: relative;
}
.skill__bar span::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.4), transparent);
  animation: shine 2s infinite;
}
@keyframes shine {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(100%); }
}
.skill.is-visible .skill__bar span { width: var(--w); }

/* -------- Projects -------- */
.projects {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.project {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  backdrop-filter: blur(10px);
  transition: border-color 0.3s, transform 0.2s var(--ease-out);
  transform-style: preserve-3d;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  will-change: transform;
}
.project:hover {
  border-color: var(--line-teal);
  box-shadow: var(--shadow-card), var(--shadow-glow-teal);
}
.project__glow {
  position: absolute;
  width: 200px; height: 200px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--teal-glow), transparent 70%);
  filter: blur(40px);
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.3s;
  z-index: 0;
}
.project:hover .project__glow { opacity: 1; }
.project > * { position: relative; z-index: 1; }

.project__head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem;
  flex-wrap: wrap;
}
.project__num {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--teal);
}
.project__title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 600;
  color: var(--fg-0);
  letter-spacing: -0.01em;
  flex: 1;
}
.project__cat {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  width: 100%;
  margin-top: -0.5rem;
}
.project__desc {
  font-size: 0.92rem;
  color: var(--fg-2);
  line-height: 1.65;
}
.project__desc strong { color: var(--fg-0); }

.project__badges {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
}
.badge {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  padding: 0.25rem 0.6rem;
  border: 1px solid var(--line-strong);
  border-radius: 4px;
  color: var(--fg-1);
  background: rgba(34, 211, 238, 0.04);
}

.project__metric {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding-top: 1rem;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-3);
}
.project__metric strong { color: var(--teal); font-size: 0.95rem; }

.project__link {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teal);
  padding-top: 0.5rem;
  transition: gap 0.2s;
}
.project__link:hover { gap: 0.7rem; }

/* Status badge (Em desenvolvimento) */
.project__status {
  margin-top: auto;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--amber);
  padding: 0.5rem 0.85rem;
  border: 1px dashed rgba(251, 191, 36, 0.4);
  border-radius: var(--radius-sm);
  background: rgba(251, 191, 36, 0.06);
  width: fit-content;
  letter-spacing: 0.02em;
}
.project__status svg { color: var(--amber); }
.project__status--dev { animation: pulse-amber 2.4s ease-in-out infinite; }
@keyframes pulse-amber {
  0%, 100% { border-color: rgba(251, 191, 36, 0.4); }
  50% { border-color: rgba(251, 191, 36, 0.8); }
}

/* -------- Process (Services) -------- */
.process {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  counter-reset: step;
}
.process__step {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  position: relative;
  transition: border-color 0.3s, transform 0.3s;
  overflow: hidden;
}
.process__step::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, var(--teal), transparent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.5s var(--ease-out);
}
.process__step:hover {
  border-color: var(--line-teal);
  transform: translateY(-4px);
}
.process__step:hover::before { transform: scaleX(1); }
.process__num {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--teal);
  margin-bottom: 1rem;
  display: inline-grid;
  place-items: center;
  width: 36px; height: 36px;
  border: 1px solid var(--line-teal);
  border-radius: 50%;
  background: rgba(34, 211, 238, 0.06);
}
.process__title {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 0.75rem;
}
.process__desc {
  font-size: 0.9rem;
  color: var(--fg-2);
  line-height: 1.6;
}

/* -------- Pricing -------- */
.pricing {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}
.price-card {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 1.75rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
  position: relative;
  transition: border-color 0.3s, transform 0.3s, box-shadow 0.3s;
  backdrop-filter: blur(10px);
}
.price-card:hover {
  border-color: var(--line-teal);
  transform: translateY(-6px);
  box-shadow: var(--shadow-card);
}
.price-card--featured {
  border-color: var(--teal);
  box-shadow: var(--shadow-glow-teal);
  background: linear-gradient(180deg, rgba(34, 211, 238, 0.06), var(--bg-card));
}
.price-card--featured:hover {
  box-shadow: var(--shadow-card), var(--shadow-glow-teal);
}
.price-card__flag {
  position: absolute;
  top: -0.7rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  background: linear-gradient(135deg, var(--teal), var(--amber));
  color: var(--bg-0);
  padding: 0.3rem 0.8rem;
  border-radius: 999px;
  font-weight: 600;
}
.price-card__head {
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--line);
}
.price-card__head--row {
  display: flex;
  justify-content: space-between;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 0.5rem;
}
.price-card__name {
  font-family: var(--font-display);
  font-size: 1.1rem;
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 0.5rem;
}
.price-card__price {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-3);
  margin-bottom: 0.25rem;
}
.price-card__price strong {
  font-family: var(--font-display);
  font-size: 1.6rem;
  color: var(--teal);
  font-weight: 700;
}
.price-card__per {
  color: var(--fg-3);
  font-size: 0.85rem;
  margin-left: 0.2rem;
}
.price-card__range {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-3);
}
.price-card__deadline {
  font-size: 0.85rem;
  color: var(--fg-2);
  margin-bottom: 0.5rem;
}
.price-card__deadline span {
  font-family: var(--font-mono);
  color: var(--fg-3);
  font-size: 0.8rem;
}
.price-card__list {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  flex: 1;
  margin-bottom: 0.5rem;
}
.price-card__list li {
  font-size: 0.88rem;
  color: var(--fg-1);
  padding-left: 1.25rem;
  position: relative;
}
.price-card__list li::before {
  content: '▸';
  position: absolute;
  left: 0;
  color: var(--teal);
  font-size: 0.75rem;
}
.price-card__list--inline {
  flex-direction: row;
  flex-wrap: wrap;
  gap: 0.75rem 1.5rem;
}
.price-card--wide {
  grid-column: 1 / -1;
}

.pricing__note {
  margin-top: 2.5rem;
  padding: 1.25rem 1.5rem;
  background: rgba(251, 191, 36, 0.05);
  border: 1px solid rgba(251, 191, 36, 0.2);
  border-radius: var(--radius-md);
  font-size: 0.9rem;
  color: var(--fg-2);
  display: flex;
  gap: 0.75rem;
  align-items: flex-start;
}
.pricing__note-mark {
  color: var(--amber);
  font-size: 1.1rem;
  line-height: 1;
}

/* -------- Streaming -------- */
.stream {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: center;
}
.stream__title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3vw, 2rem);
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 1.5rem;
}
.stream__persona { color: var(--amber); }
.stream__desc {
  color: var(--fg-1);
  margin-bottom: 1.25rem;
}
.stream__desc strong { color: var(--fg-0); }
.stream__cta {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: 1.5rem;
}

.stream__card {
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-xl);
  padding: 2.5rem;
  text-align: center;
  position: relative;
  overflow: hidden;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.stream__card::before {
  content: '';
  position: absolute;
  top: -50%; left: -50%;
  width: 200%; height: 200%;
  background: conic-gradient(from 0deg, transparent 0deg, var(--teal-glow) 90deg, transparent 180deg, var(--amber-glow) 270deg, transparent 360deg);
  animation: rotate-bg 12s linear infinite;
  opacity: 0.15;
}
@keyframes rotate-bg {
  to { transform: rotate(360deg); }
}
.stream__avatar {
  width: 160px; height: 160px;
  margin: 0 auto 1.5rem;
  border-radius: 50%;
  background: radial-gradient(circle at 35% 35%, var(--bg-3), var(--bg-1));
  border: 2px solid var(--line-strong);
  position: relative;
  z-index: 1;
  box-shadow: 0 0 60px -10px var(--teal-glow);
}
.stream__eye {
  position: absolute;
  top: 45%;
  width: 22px; height: 22px;
  border-radius: 50%;
  animation: blink-eyes 4s ease-in-out infinite;
}
.stream__eye--amber {
  left: 30%;
  background: radial-gradient(circle, var(--amber-soft), var(--amber-deep));
  box-shadow: 0 0 12px var(--amber-glow);
}
.stream__eye--teal {
  right: 30%;
  background: radial-gradient(circle, var(--teal-soft), var(--teal-deep));
  box-shadow: 0 0 12px var(--teal-glow);
}
@keyframes blink-eyes {
  0%, 92%, 100% { transform: scaleY(1); }
  95% { transform: scaleY(0.1); }
}
.stream__mouth {
  position: absolute;
  bottom: 32%;
  left: 50%;
  transform: translateX(-50%);
  width: 30px; height: 8px;
  border: 2px solid var(--fg-2);
  border-top: none;
  border-radius: 0 0 30px 30px;
}
.stream__card-meta { position: relative; z-index: 1; }
.stream__card-name {
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 600;
  color: var(--fg-0);
  margin-bottom: 0.5rem;
}
.stream__card-status {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.stream__dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--fg-3);
}

/* -------- Contact -------- */
.contact {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: clamp(2rem, 5vw, 4rem);
  align-items: start;
}
.contact__lead {
  font-size: 1.1rem;
  color: var(--fg-1);
  margin-bottom: 2rem;
}
.contact__links {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}
.contact__links a {
  display: flex;
  align-items: center;
  gap: 1rem;
  padding: 1rem 1.25rem;
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  transition: border-color 0.2s, transform 0.2s, background 0.2s;
}
.contact__links a:hover {
  border-color: var(--teal);
  transform: translateX(4px);
  background: var(--bg-card-hover);
}
.contact__icon {
  display: grid;
  place-items: center;
  width: 42px; height: 42px;
  border-radius: var(--radius-sm);
  background: rgba(34, 211, 238, 0.08);
  color: var(--teal);
  flex-shrink: 0;
}
.contact__link-text { display: flex; flex-direction: column; }
.contact__link-text strong {
  font-family: var(--font-display);
  color: var(--fg-0);
  font-weight: 600;
  font-size: 0.95rem;
}
.contact__link-text small {
  font-family: var(--font-mono);
  color: var(--fg-3);
  font-size: 0.8rem;
}

.contact__form {
  background: var(--bg-card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 2rem;
  backdrop-filter: blur(10px);
}
.field {
  margin-bottom: 1.25rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.field label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-2);
  letter-spacing: 0.04em;
}
.field input, .field textarea, .field select {
  background: var(--bg-1);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1rem;
  color: var(--fg-0);
  font-family: var(--font-sans);
  font-size: 0.95rem;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
  resize: vertical;
  width: 100%;
}
.field input::placeholder, .field textarea::placeholder { color: var(--fg-3); }
.field input:focus, .field textarea:focus, .field select:focus {
  outline: none;
  border-color: var(--teal);
  box-shadow: 0 0 0 3px rgba(34, 211, 238, 0.12);
  background: var(--bg-2);
}
.field select {
  appearance: none;
  background-image: url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%2322d3ee' stroke-width='2' fill='none'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 1rem center;
  padding-right: 2.5rem;
}
.field select option { background: var(--bg-2); color: var(--fg-0); }

.contact__form-note {
  margin-top: 1rem;
  padding: 0.75rem 1rem;
  border-radius: var(--radius-sm);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  text-align: center;
}
.contact__form-note.is-success {
  background: rgba(34, 211, 238, 0.08);
  color: var(--teal);
  border: 1px solid var(--line-teal);
}
.contact__form-note.is-error {
  background: rgba(255, 95, 86, 0.08);
  color: #ff8a82;
  border: 1px solid rgba(255, 95, 86, 0.2);
}

/* -------- Footer -------- */
.footer {
  border-top: 1px solid var(--line);
  background: var(--bg-1);
  padding: 3rem 0 2rem;
}
.footer__inner {
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  gap: 2rem;
  align-items: center;
}
.footer__brand {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 1.1rem;
  color: var(--fg-0);
  margin-bottom: 0.5rem;
}
.footer__brand-mark {
  display: inline-grid;
  place-items: center;
  width: 28px; height: 28px;
  border: 1px solid var(--teal);
  color: var(--teal);
  border-radius: var(--radius-sm);
  font-size: 0.85rem;
}
.footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-3);
}
.footer__nav {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
  justify-content: center;
}
.footer__nav a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--fg-2);
  transition: color 0.2s;
}
.footer__nav a:hover { color: var(--teal); }
.footer__right { text-align: right; }
.footer__copy {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--fg-3);
  margin-bottom: 0.25rem;
}
.footer__build {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--fg-3);
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}
.footer__build-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--teal);
  box-shadow: 0 0 6px var(--teal);
}
.footer__build code { color: var(--teal); }

/* -------- Back to top -------- */
.to-top {
  position: fixed;
  bottom: 1.5rem;
  right: 1.5rem;
  width: 44px; height: 44px;
  border-radius: 50%;
  background: var(--bg-card);
  border: 1px solid var(--line-strong);
  backdrop-filter: blur(10px);
  display: grid;
  place-items: center;
  color: var(--teal);
  opacity: 0;
  visibility: hidden;
  transform: translateY(20px);
  transition: opacity 0.3s, visibility 0.3s, transform 0.3s, border-color 0.2s;
  z-index: 90;
}
.to-top.is-visible {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}
.to-top:hover {
  border-color: var(--teal);
  box-shadow: var(--shadow-glow-teal);
}

/* -------- AOS overrides -------- */
[data-aos] { pointer-events: auto; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .about, .stream, .contact { grid-template-columns: 1fr; }
  .projects { grid-template-columns: repeat(2, 1fr); }
  .pricing { grid-template-columns: repeat(2, 1fr); }
  .process { grid-template-columns: repeat(2, 1fr); }
  .stack { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav__links {
    position: fixed;
    inset: 0 0 0 auto;
    width: min(80vw, 320px);
    background: var(--bg-1);
    border-left: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 5rem 2rem 2rem;
    gap: 0.5rem;
    transform: translateX(100%);
    transition: transform 0.4s var(--ease-out);
    z-index: 99;
  }
  .nav__links.is-open { transform: translateX(0); }
  .nav__link { width: 100%; padding: 0.85rem 0; font-size: 1rem; }
  .nav__toggle { display: flex; z-index: 100; }

  .hero__title { font-size: clamp(2.5rem, 14vw, 5rem); }
  .hero__stats {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.25rem;
  }

  .footer__inner {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 1.5rem;
  }
  .footer__right { text-align: center; }
  .footer__brand { justify-content: center; }
}

@media (max-width: 480px) {
  .projects, .pricing, .process { grid-template-columns: 1fr; }
  .hero__cta { flex-direction: column; }
  .hero__cta .btn { width: 100%; }
  .price-card--wide { grid-column: auto; }
  .to-top { bottom: 1rem; right: 1rem; }
}

/* Reduced motion */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }
  #particles-canvas, .grid-overlay { display: none; }
}