/* ==========================================================================
   ItzNixyy — Portfolio Stylesheet
   Table of contents:
   1. Design tokens (CSS variables)
   2. Reset & base
   3. Layout helpers
   4. Typography helpers
   5. Buttons & tags
   6. Navbar
   7. Hero
   8. Cards (services / work / pricing)
   9. Timeline (how it works)
   10. About
   11. FAQ / Accordion
   12. Contact
   13. Footer
   14. Scroll-reveal animation
   15. Responsive breakpoints
   16. Reduced motion & accessibility
   ========================================================================== */

/* ---------------------------------------------------------------------- */
/* 1. Design tokens                                                       */
/* ---------------------------------------------------------------------- */
:root {
  /* Colors */
  --bg: #080808;
  --bg-secondary: #0d0d0d;
  --surface: #111111;
  --border: #222222;
  --border-hover: #333333;
  --text: #f5f5f5;
  --muted: #8a8a8a;
  --accent-1: #8b5cf6;
  --accent-2: #6366f1;
  --accent-gradient: linear-gradient(135deg, var(--accent-1), var(--accent-2));
  --success: #22c55e;

  /* Typography */
  --font-body: "Inter", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --font-mono: "JetBrains Mono", "SFMono-Regular", Consolas, "Liberation Mono", Menlo, monospace;

  /* Spacing scale */
  --space-1: 0.5rem;
  --space-2: 0.75rem;
  --space-3: 1rem;
  --space-4: 1.5rem;
  --space-5: 2rem;
  --space-6: 3rem;
  --space-7: 4.5rem;
  --space-8: 6rem;
  --space-9: 8rem;

  /* Layout */
  --container-width: 1200px;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --navbar-height: 76px;

  /* Motion */
  --ease: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease);
  --transition-base: 0.4s var(--ease);
  --transition-slow: 0.7s var(--ease);
}

/* ---------------------------------------------------------------------- */
/* 2. Reset & base                                                        */
/* ---------------------------------------------------------------------- */
*, *::before, *::after { box-sizing: border-box; }

html {
  scroll-behavior: smooth;
  scroll-padding-top: var(--navbar-height);
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

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

a { color: inherit; text-decoration: none; }

ul { list-style: none; margin: 0; padding: 0; }

h1, h2, h3, h4, p { margin: 0; }

button {
  font-family: inherit;
  color: inherit;
  background: none;
  border: none;
  cursor: pointer;
}

/* Skip link for keyboard users */
.skip-link {
  position: absolute;
  top: -100%;
  left: var(--space-3);
  background: var(--accent-1);
  color: #fff;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  z-index: 999;
  transition: top var(--transition-fast);
}
.skip-link:focus { top: var(--space-3); }

/* Visible focus states everywhere */
a:focus-visible,
button:focus-visible,
[tabindex]:focus-visible {
  outline: 2px solid var(--accent-1);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

::selection { background: var(--accent-1); color: #fff; }

/* ---------------------------------------------------------------------- */
/* 3. Layout helpers                                                      */
/* ---------------------------------------------------------------------- */
.container {
  width: 100%;
  max-width: var(--container-width);
  margin-inline: auto;
  padding-inline: var(--space-5);
}

.section {
  padding-block: var(--space-9);
  border-bottom: 1px solid var(--border);
}

.section--about { border-bottom: 1px solid var(--border); }
.section--contact { position: relative; overflow: hidden; border-bottom: none; }

/* ---------------------------------------------------------------------- */
/* 4. Typography helpers                                                  */
/* ---------------------------------------------------------------------- */
.eyebrow {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  color: var(--accent-1);
  letter-spacing: 0.02em;
  margin-bottom: var(--space-3);
}

.section__title {
  font-size: clamp(1.75rem, 1.4rem + 1.6vw, 2.5rem);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.section__subtitle {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: clamp(0.95rem, 0.9rem + 0.2vw, 1.05rem);
  max-width: 46ch;
}

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

/* ---------------------------------------------------------------------- */
/* 5. Buttons & tags                                                      */
/* ---------------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-1);
  padding: 0.85rem 1.6rem;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1px solid transparent;
  transition: transform var(--transition-fast), border-color var(--transition-fast),
              background var(--transition-fast), box-shadow var(--transition-fast);
  white-space: nowrap;
}

.btn--primary {
  background: var(--accent-gradient);
  color: #ffffff;
  box-shadow: 0 0 0 0 rgba(139, 92, 246, 0);
}
.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 30px -8px rgba(139, 92, 246, 0.55);
}

.btn--ghost {
  background: transparent;
  border-color: var(--border);
  color: var(--text);
}
.btn--ghost:hover {
  border-color: var(--accent-1);
  transform: translateY(-2px);
}

.btn--secondary {
  width: 100%;
  background: var(--surface);
  border-color: var(--border);
  color: var(--text);
}
.btn--secondary:hover {
  border-color: var(--accent-1);
  color: var(--accent-1);
}

.tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin-top: var(--space-3);
}

.tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
}

.badge {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--accent-1);
  background: rgba(139, 92, 246, 0.1);
  border: 1px solid rgba(139, 92, 246, 0.25);
  border-radius: 999px;
  padding: 0.25rem 0.6rem;
  margin-bottom: var(--space-2);
}

.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--success);
  box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
  animation: pulse 2.2s infinite;
  flex-shrink: 0;
}

@keyframes pulse {
  0% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.55); }
  70% { box-shadow: 0 0 0 8px rgba(34, 197, 94, 0); }
  100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0); }
}

/* ---------------------------------------------------------------------- */
/* 6. Navbar                                                              */
/* ---------------------------------------------------------------------- */
.navbar {
  position: sticky;
  top: 0;
  z-index: 100;
  border-bottom: 1px solid transparent;
  background: rgba(8, 8, 8, 0.6);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  transition: border-color var(--transition-base), background var(--transition-base);
}

.navbar.is-scrolled {
  border-bottom-color: var(--border);
  background: rgba(8, 8, 8, 0.85);
}

.navbar__inner {
  height: var(--navbar-height);
  display: flex;
  align-items: center;
  gap: var(--space-4);
}

.navbar__brand {
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: -0.01em;
  margin-right: auto;
}

.navbar__bracket { color: var(--accent-1); font-family: var(--font-mono); font-weight: 500; }

.navbar__links {
  display: flex;
  align-items: center;
  gap: var(--space-5);
}

.nav-link {
  position: relative;
  font-size: 0.9rem;
  color: var(--muted);
  transition: color var(--transition-fast);
}
.nav-link:hover { color: var(--text); }
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -6px;
  width: 0;
  height: 1px;
  background: var(--accent-gradient);
  transition: width var(--transition-fast);
}
.nav-link:hover::after { width: 100%; }

.navbar__status {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--muted);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.4rem 0.8rem;
  white-space: nowrap;
}

.navbar__toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 32px;
  height: 32px;
}

.navbar__toggle-line {
  width: 100%;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.navbar__toggle[aria-expanded="true"] .navbar__toggle-line:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}
.navbar__toggle[aria-expanded="true"] .navbar__toggle-line:nth-child(2) { opacity: 0; }
.navbar__toggle[aria-expanded="true"] .navbar__toggle-line:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  overflow: hidden;
  max-height: 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  transition: max-height var(--transition-base);
}

.mobile-menu.is-open { max-height: 420px; }

.mobile-menu__links {
  display: flex;
  flex-direction: column;
  padding: var(--space-3) var(--space-5);
}

.mobile-menu__links .nav-link {
  display: block;
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--border);
  font-size: 1rem;
}
.mobile-menu__links li:last-child .nav-link { border-bottom: none; }

.mobile-menu__status {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--muted);
  padding: var(--space-3) var(--space-5) var(--space-4);
}

/* ---------------------------------------------------------------------- */
/* 7. Hero                                                                */
/* ---------------------------------------------------------------------- */
.hero {
  position: relative;
  padding-block: var(--space-9) var(--space-8);
  overflow: hidden;
  border-bottom: 1px solid var(--border);
}

.hero__bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
  z-index: 0;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(255, 255, 255, 0.035) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 56px 56px;
  mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 40%, transparent 90%);
  -webkit-mask-image: radial-gradient(ellipse 70% 60% at 50% 20%, #000 40%, transparent 90%);
}

.hero__glow {
  position: absolute;
  top: -20%;
  left: 50%;
  width: 900px;
  height: 700px;
  transform: translateX(-50%);
  background: radial-gradient(circle, rgba(139, 92, 246, 0.22) 0%, rgba(99, 102, 241, 0.08) 45%, transparent 70%);
  filter: blur(10px);
}

.hero__bg--contact { z-index: 0; }
.hero__glow--contact {
  top: 10%;
  width: 700px;
  height: 500px;
  opacity: 0.8;
}

.hero__inner {
  position: relative;
  z-index: 1;
  max-width: 780px;
  text-align: left;
}

.hero__title {
  font-size: clamp(2.5rem, 1.9rem + 3.4vw, 4.5rem);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.08;
  margin-bottom: var(--space-4);
}

.hero__subtitle {
  font-size: clamp(1rem, 0.95rem + 0.3vw, 1.2rem);
  color: var(--muted);
  max-width: 54ch;
  margin-bottom: var(--space-5);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-bottom: var(--space-5);
}

.hero__status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
}

/* ---------------------------------------------------------------------- */
/* 8. Cards                                                               */
/* ---------------------------------------------------------------------- */
.cards-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.cards-grid--3 { grid-template-columns: repeat(3, 1fr); }
.cards-grid--2 { grid-template-columns: repeat(2, 1fr); }

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  transition: border-color var(--transition-base), transform var(--transition-base), box-shadow var(--transition-base);
}

.card:hover {
  border-color: var(--border-hover);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px -20px rgba(139, 92, 246, 0.35);
}

.card__desc { color: var(--muted); font-size: 0.92rem; margin-top: var(--space-2); }

/* Service cards */
.service-card__icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  color: var(--accent-1);
  margin-bottom: var(--space-4);
  transition: border-color var(--transition-fast), background var(--transition-fast);
}
.service-card__icon svg { width: 22px; height: 22px; }
.service-card:hover .service-card__icon {
  border-color: var(--accent-1);
  background: rgba(139, 92, 246, 0.08);
}

.service-card h3 { font-size: 1.15rem; font-weight: 600; margin-bottom: var(--space-1); }

.feature-list {
  margin-top: var(--space-3);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.4rem 0.8rem;
}
.feature-list li {
  font-size: 0.85rem;
  color: var(--muted);
  padding-left: 1.1rem;
  position: relative;
}
.feature-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--accent-1);
}

/* Project (work) cards */
.project-card { padding: 0; overflow: hidden; display: flex; flex-direction: column; }

.project-card__visual {
  position: relative;
  height: 180px;
  background: linear-gradient(160deg, var(--bg-secondary), var(--bg));
  border-bottom: 1px solid var(--border);
  padding: var(--space-4);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: 0.55rem;
  overflow: hidden;
}

.project-card__visual::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(to right, rgba(255, 255, 255, 0.025) 1px, transparent 1px) 0 0 / 28px 28px;
}

.visual-line {
  position: relative;
  width: var(--w, 60%);
  height: 8px;
  border-radius: 4px;
  background: linear-gradient(90deg, rgba(139, 92, 246, 0.35), rgba(99, 102, 241, 0.12));
}

.visual-chip {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--accent-1);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0.2rem 0.6rem;
  background: rgba(139, 92, 246, 0.08);
}

.project-visual--web .visual-window {
  width: 70%;
  height: 70px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  background: var(--surface);
  position: relative;
  margin-bottom: 0.4rem;
}
.project-visual--web .visual-window::before {
  content: "";
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.02);
}

.project-visual--dash {
  flex-direction: row;
  align-items: flex-end;
  gap: 0.5rem;
  padding-bottom: var(--space-5);
}
.visual-bar {
  width: 14%;
  height: var(--h, 40%);
  border-radius: 4px 4px 0 0;
  background: linear-gradient(180deg, var(--accent-1), var(--accent-2));
  opacity: 0.75;
}

.project-card__body { padding: var(--space-5); }
.project-card__body h3 { font-size: 1.1rem; font-weight: 600; margin-bottom: var(--space-1); }

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-top: var(--space-4);
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-1);
}
.card-link span { transition: transform var(--transition-fast); }
.card-link:hover span { transform: translateX(3px); }

/* Pricing cards */
.pricing-card { text-align: left; display: flex; flex-direction: column; gap: var(--space-2); }
.pricing-card h3 { font-size: 1.05rem; font-weight: 600; color: var(--muted); }
.pricing-card .price {
  font-size: 2rem;
  font-weight: 700;
  letter-spacing: -0.01em;
}
.pricing-card .btn { margin-top: var(--space-3); }
.pricing-card--featured {
  border-color: var(--accent-1);
  box-shadow: 0 0 0 1px rgba(139, 92, 246, 0.25);
}

.pricing-note {
  margin-top: var(--space-5);
  color: var(--muted);
  font-size: 0.85rem;
  font-family: var(--font-mono);
}

/* ---------------------------------------------------------------------- */
/* 9. Timeline                                                            */
/* ---------------------------------------------------------------------- */
.timeline {
  margin-top: var(--space-6);
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: var(--space-5);
  position: relative;
}

.timeline__step {
  position: relative;
  padding-top: var(--space-5);
  border-top: 1px solid var(--border);
}

.timeline__number {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--accent-1);
  display: block;
  margin-bottom: var(--space-2);
}

.timeline__step h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: var(--space-1); }
.timeline__step p { color: var(--muted); font-size: 0.9rem; }

/* ---------------------------------------------------------------------- */
/* 10. About                                                              */
/* ---------------------------------------------------------------------- */
.about__inner { max-width: 720px; }
.about__text { margin-top: var(--space-3); color: var(--muted); font-size: 1.05rem; }

/* ---------------------------------------------------------------------- */
/* 11. FAQ / Accordion                                                    */
/* ---------------------------------------------------------------------- */
.accordion { margin-top: var(--space-6); max-width: 760px; }

.accordion__item { border-bottom: 1px solid var(--border); }
.accordion__heading { margin: 0; }

.accordion__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4) 0;
  text-align: left;
  font-size: 1rem;
  font-weight: 500;
  transition: color var(--transition-fast);
}
.accordion__trigger:hover { color: var(--accent-1); }

.accordion__icon {
  position: relative;
  width: 18px;
  height: 18px;
  flex-shrink: 0;
}
.accordion__icon::before,
.accordion__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: currentColor;
  transform: translate(-50%, -50%);
  transition: transform var(--transition-fast);
}
.accordion__icon::before { width: 12px; height: 1.5px; }
.accordion__icon::after { width: 1.5px; height: 12px; }

.accordion__trigger[aria-expanded="true"] .accordion__icon::after { transform: translate(-50%, -50%) rotate(90deg) scaleY(0); }

.accordion__panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height var(--transition-base);
}
.accordion__panel:not([hidden]) { max-height: 240px; }
.accordion__panel p { color: var(--muted); font-size: 0.92rem; padding-bottom: var(--space-4); max-width: 60ch; }

/* ---------------------------------------------------------------------- */
/* 12. Contact                                                            */
/* ---------------------------------------------------------------------- */
.contact__inner { position: relative; z-index: 1; max-width: 620px; }
.contact__actions {
  margin-top: var(--space-5);
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

/* ---------------------------------------------------------------------- */
/* 13. Footer                                                             */
/* ---------------------------------------------------------------------- */
.footer { padding-top: var(--space-7); background: var(--bg-secondary); }

.footer__inner {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: var(--space-5);
  padding-bottom: var(--space-6);
}

.footer__logo { font-weight: 700; font-size: 1.05rem; }
.footer__brand p { margin-top: var(--space-2); color: var(--muted); font-size: 0.9rem; }

.footer__links { display: flex; flex-direction: column; gap: var(--space-2); }
.footer__links a { color: var(--muted); font-size: 0.9rem; transition: color var(--transition-fast); }
.footer__links a:hover { color: var(--text); }

.footer__social { display: flex; flex-direction: column; gap: var(--space-2); align-items: flex-start; }
.footer__social a {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--muted);
  transition: color var(--transition-fast);
}
.footer__social a:hover { color: var(--accent-1); }

.footer__bottom {
  border-top: 1px solid var(--border);
  padding-block: var(--space-4);
}
.footer__bottom p { color: var(--muted); font-size: 0.8rem; }

/* ---------------------------------------------------------------------- */
/* 14. Scroll-reveal animation                                            */
/* ---------------------------------------------------------------------- */
.reveal {
  opacity: 0;
  transform: translateY(16px);
  transition: opacity var(--transition-slow), transform var(--transition-slow);
}
.reveal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

/* ---------------------------------------------------------------------- */
/* 15. Responsive breakpoints                                             */
/* ---------------------------------------------------------------------- */

/* Laptop */
@media (max-width: 1439px) {
  :root { --container-width: 1080px; }
}

/* Tablet */
@media (max-width: 1023px) {
  .navbar__links,
  .navbar__status { display: none; }
  .navbar__toggle { display: flex; }
  .mobile-menu { display: block; }

  .cards-grid--3 { grid-template-columns: repeat(2, 1fr); }
  .timeline { grid-template-columns: repeat(2, 1fr); row-gap: var(--space-6); }

  .footer__inner { grid-template-columns: 1fr 1fr; }
  .footer__brand { grid-column: 1 / -1; margin-bottom: var(--space-3); }
}

/* Mobile */
@media (max-width: 640px) {
  :root {
    --space-8: 4rem;
    --space-9: 5rem;
  }
  .container { padding-inline: var(--space-4); }

  .cards-grid--3,
  .cards-grid--2 { grid-template-columns: 1fr; }
  .timeline { grid-template-columns: 1fr; }

  .hero__actions .btn,
  .contact__actions .btn { width: 100%; }
  .hero__actions,
  .contact__actions { flex-direction: column; }

  .footer__inner { grid-template-columns: 1fr; }
  .footer__social { margin-top: var(--space-3); }

  .feature-list { grid-template-columns: 1fr; }
}

/* ---------------------------------------------------------------------- */
/* 16. Reduced motion & misc accessibility                                */
/* ---------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  .reveal { opacity: 1; transform: none; }
}