/* ============================================
   DRWX — Read. Write. Execute.
   Terminal-aesthetic website
   ============================================ */

/* --- Variables --- */
:root {
  --bg: #0a0e14;
  --bg-card: #0d1117;
  --bg-card-hover: #111820;
  --bg-terminal: #0b0f15;
  --border: #1a2332;
  --border-light: #222d3d;
  --text: #c9d1d9;
  --text-dim: #6e7681;
  --text-bright: #f0f6fc;
  --cyan: #22d3ee;
  --cyan-dim: rgba(34, 211, 238, 0.15);
  --cyan-glow: rgba(34, 211, 238, 0.4);
  --green: #3fb950;
  --yellow: #d29922;
  --red: #f85149;
  --purple: #a371f7;
  --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
  --font-body: 'IBM Plex Sans', -apple-system, BlinkMacSystemFont, sans-serif;
  --max-width: 1200px;
  --nav-height: 70px;
}

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

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

body {
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--cyan);
  text-decoration: none;
  transition: color 0.2s;
}

a:hover { color: var(--text-bright); }

/* --- Scanlines --- */
.scanlines {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    transparent,
    transparent 2px,
    rgba(0, 0, 0, 0.03) 2px,
    rgba(0, 0, 0, 0.03) 4px
  );
}

/* --- Navigation --- */
.nav {
  position: fixed;
  top: 0; left: 0;
  width: 100%;
  height: var(--nav-height);
  background: rgba(10, 14, 20, 0.85);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  z-index: 1000;
}

.nav nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  padding: 0 2rem;
}

.nav__logo {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  text-decoration: none;
  color: inherit;
}

.nav__prompt {
  color: var(--cyan);
  font-size: 1.2rem;
  font-weight: 700;
}

.nav__brand {
  color: var(--text-bright);
  font-size: 1.3rem;
  font-weight: 800;
  letter-spacing: 3px;
}

.nav__links {
  display: flex;
  gap: 0.5rem;
}

.nav__link {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--text-dim);
  padding: 0.5rem 1rem;
  border-radius: 6px;
  transition: all 0.2s;
}

.nav__link:hover {
  color: var(--cyan);
  background: var(--cyan-dim);
}

.nav__link--cta {
  color: var(--cyan);
  border: 1px solid rgba(34, 211, 238, 0.3);
}

.nav__link--cta:hover {
  background: var(--cyan);
  color: var(--bg);
}

.nav__toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 5px;
}

.nav__toggle span {
  width: 24px;
  height: 2px;
  background: var(--text);
  border-radius: 2px;
  transition: all 0.3s;
}

/* Mobile menu */
.mobile-menu {
  display: none;
  position: fixed;
  top: var(--nav-height);
  left: 0; right: 0;
  background: rgba(10, 14, 20, 0.98);
  backdrop-filter: blur(20px);
  border-bottom: 1px solid var(--border);
  padding: 1rem;
  z-index: 999;
  flex-direction: column;
  gap: 0.5rem;
}

.mobile-menu.active { display: flex; }

.mobile-menu__link {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--text-dim);
  padding: 0.8rem 1rem;
  border-radius: 6px;
}

.mobile-menu__link:hover {
  color: var(--cyan);
  background: var(--cyan-dim);
}

/* --- Buttons --- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 500;
  padding: 0.8rem 1.8rem;
  border-radius: 8px;
  border: none;
  cursor: pointer;
  transition: all 0.25s;
  text-decoration: none;
}

.btn--primary {
  background: var(--cyan);
  color: var(--bg);
  box-shadow: 0 0 20px var(--cyan-glow);
}

.btn--primary:hover {
  background: #06b6d4;
  color: var(--bg);
  box-shadow: 0 0 30px var(--cyan-glow);
  transform: translateY(-2px);
}

.btn--ghost {
  background: transparent;
  color: var(--text);
  border: 1px solid var(--border-light);
}

.btn--ghost:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

.btn--full { width: 100%; justify-content: center; }

/* --- Hero --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: calc(var(--nav-height) + 2rem) 2rem 2rem;
  overflow: hidden;
}

.hero__grid {
  position: absolute;
  inset: 0;
  background-image: 
    linear-gradient(rgba(34, 211, 238, 0.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(34, 211, 238, 0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
  -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 70%);
}

.hero__content {
  max-width: 800px;
  width: 100%;
  z-index: 1;
}

.hero__terminal {
  background: var(--bg-terminal);
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 
    0 0 0 1px rgba(34, 211, 238, 0.05),
    0 20px 60px rgba(0, 0, 0, 0.5);
}

.terminal__header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 14px 18px;
  background: rgba(255, 255, 255, 0.02);
  border-bottom: 1px solid var(--border);
}

.terminal__dot {
  width: 12px;
  height: 12px;
  border-radius: 50%;
}

.terminal__dot--red { background: var(--red); }
.terminal__dot--yellow { background: var(--yellow); }
.terminal__dot--green { background: var(--green); }

.terminal__title {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-left: 8px;
}

.terminal__body {
  padding: 1.5rem;
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 2;
}

.terminal__line {
  opacity: 0;
  animation: typeLine 0.4s ease forwards;
}

.terminal__line--1 { animation-delay: 0.3s; }
.terminal__line--2 { animation-delay: 0.7s; }
.terminal__line--3 { animation-delay: 1.3s; }
.terminal__line--4 { animation-delay: 1.6s; }
.terminal__line--5 { animation-delay: 2.1s; }
.terminal__line--6 { animation-delay: 2.5s; }
.terminal__line--7 { animation-delay: 3.0s; }

@keyframes typeLine {
  from { opacity: 0; transform: translateY(5px); }
  to { opacity: 1; transform: translateY(0); }
}

.t-prompt { color: var(--cyan); font-weight: 700; }
.t-cmd { color: var(--green); }
.t-file { color: var(--text-bright); }
.t-comment { color: var(--text-dim); font-style: italic; }
.t-result { color: var(--cyan); }
.t-output {
  color: var(--text-bright);
  font-size: 1.8rem;
  font-weight: 800;
  letter-spacing: 1px;
}

.t-cursor {
  color: var(--cyan);
  animation: blink 1s step-end infinite;
}

@keyframes blink {
  0%, 100% { opacity: 1; }
  50% { opacity: 0; }
}

.hero__title {
  font-family: var(--font-mono);
  font-weight: 800;
}

.hero__cta {
  display: flex;
  gap: 1rem;
  margin-top: 2rem;
  opacity: 0;
  animation: fadeUp 0.5s ease 3.3s forwards;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(15px); }
  to { opacity: 1; transform: translateY(0); }
}

.hero__permission {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  opacity: 0.3;
  white-space: nowrap;
}

/* --- Sections --- */
section {
  padding: 6rem 2rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.section__header {
  margin-bottom: 3rem;
}

.section__tag {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--cyan);
  display: block;
  margin-bottom: 0.5rem;
}

.section__title {
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 4vw, 2.2rem);
  font-weight: 700;
  color: var(--text-bright);
}

/* --- Services --- */
.services__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.service-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 2rem;
  transition: all 0.3s;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 2px;
  background: linear-gradient(90deg, transparent, var(--cyan), transparent);
  opacity: 0;
  transition: opacity 0.3s;
}

.service-card:hover {
  border-color: rgba(34, 211, 238, 0.2);
  background: var(--bg-card-hover);
  transform: translateY(-4px);
  box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before { opacity: 1; }

.service-card__perm {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--green);
  background: rgba(63, 185, 80, 0.1);
  padding: 0.3rem 0.6rem;
  border-radius: 4px;
}

.service-card__title {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-bright);
  margin: 1rem 0 0.5rem;
}

.service-card__desc {
  font-size: 0.9rem;
  color: var(--text-dim);
  line-height: 1.6;
  margin-bottom: 1.2rem;
}

.service-card__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  list-style: none;
}

.service-card__tags li {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--cyan);
  background: var(--cyan-dim);
  padding: 0.2rem 0.6rem;
  border-radius: 4px;
}

/* --- About --- */
.about__content {
  display: grid;
  grid-template-columns: 1.5fr 1fr;
  gap: 3rem;
  align-items: start;
}

.about__text p {
  margin-bottom: 1rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--text);
}

.about__highlight {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  color: var(--text-bright) !important;
  padding: 1rem;
  background: var(--cyan-dim);
  border-left: 3px solid var(--cyan);
  border-radius: 0 8px 8px 0;
  margin-top: 1.5rem !important;
}

.about__stats {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.stat {
  padding: 1.5rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 12px;
  text-align: center;
}

.stat__number {
  font-family: var(--font-mono);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--cyan);
}

.stat__symbol {
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--cyan);
}

.stat__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* --- Stack --- */
.stack__grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
}

.stack__item {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text);
  padding: 0.6rem 1.4rem;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: all 0.2s;
}

.stack__item:hover {
  border-color: var(--cyan);
  color: var(--cyan);
  background: var(--cyan-dim);
  transform: translateY(-2px);
}

/* --- Contact --- */
.contact__content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 3rem;
}

.contact__info p {
  font-size: 1rem;
  color: var(--text);
  line-height: 1.8;
  margin-bottom: 2rem;
}

.contact__details {
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.contact__detail {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  display: flex;
  gap: 1rem;
  align-items: baseline;
}

.contact__label {
  color: var(--text-dim);
  min-width: 80px;
}

.contact__form {
  display: flex;
  flex-direction: column;
  gap: 1.2rem;
}

.form__group {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.form__label {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
}

.form__input {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  color: var(--text-bright);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.8rem 1rem;
  outline: none;
  transition: border-color 0.2s;
}

.form__input::placeholder {
  color: var(--text-dim);
}

.form__input:focus {
  border-color: var(--cyan);
  box-shadow: 0 0 0 3px var(--cyan-dim);
}

.form__textarea {
  resize: vertical;
  min-height: 120px;
}

/* --- Footer --- */
.footer {
  border-top: 1px solid var(--border);
  padding: 3rem 2rem 1.5rem;
  max-width: var(--max-width);
  margin: 0 auto;
}

.footer__content {
  display: flex;
  justify-content: space-between;
  align-items: start;
  margin-bottom: 2rem;
}

.footer__tagline {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: 0.3rem;
}

.footer__perm pre {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  color: var(--text-dim);
  line-height: 1.8;
  opacity: 0.5;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  color: var(--text-dim);
}

.footer__easter {
  opacity: 0.2;
  letter-spacing: 2px;
}

/* --- WhatsApp floating button --- */
.whatsapp-float {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  width: 56px;
  height: 56px;
  background: #25D366;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px rgba(37, 211, 102, 0.4);
  z-index: 998;
  transition: all 0.3s;
}

.whatsapp-float:hover {
  transform: translateY(-3px) scale(1.05);
  box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
  color: white;
}

.whatsapp-float svg {
  width: 28px;
  height: 28px;
}

/* --- Scroll animations --- */
.fade-in {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

/* --- Responsive --- */
@media (max-width: 768px) {
  .nav__links { display: none; }
  .nav__toggle { display: flex; }

  .t-output { font-size: 1.2rem; }
  .terminal__body { font-size: 0.8rem; padding: 1rem; }

  .hero__cta {
    flex-direction: column;
  }

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

  .about__stats {
    flex-direction: row;
    flex-wrap: wrap;
  }

  .stat { flex: 1; min-width: 140px; }

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

  .footer__content {
    flex-direction: column;
    gap: 1.5rem;
  }

  section { padding: 4rem 1.5rem; }
}

@media (max-width: 480px) {
  .t-output { font-size: 1rem; }
  .terminal__body { font-size: 0.72rem; }
  .hero__permission { display: none; }
}