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

:root {
  --bg:        #080d1a;
  --bg-alt:    #0d1425;
  --surface:   #111827;
  --border:    rgba(59, 130, 246, 0.18);
  --blue:      #3b82f6;
  --blue-dark: #1d4ed8;
  --blue-glow: rgba(59, 130, 246, 0.35);
  --text:      #e2e8f0;
  --muted:     #94a3b8;
  --mono:      'JetBrains Mono', monospace;
  --sans:      'Inter', sans-serif;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--sans);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  overflow-x: hidden;
}

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

/* ── Fluid canvas ── */
#fluid-canvas {
  position: fixed;
  top: 0; left: 0;
  width: 100%; height: 100%;
  z-index: 0;
  pointer-events: none;
  opacity: 0.45;
}

/* ── Layout ── */
.container {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 48px;
  position: relative;
  z-index: 1;
}

/* ── Nav ── */
.nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  background: rgba(8, 13, 26, 0.8);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  max-width: 1360px;
  margin: 0 auto;
  padding: 0 24px;
  height: 64px;
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav__logo {
  font-size: 1.1rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  margin-right: auto;
  white-space: nowrap;
}

.nav__links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.nav__links a {
  font-size: 0.875rem;
  color: var(--muted);
  transition: color 0.2s;
}

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

/* ── Buttons ── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 8px;
  font-size: 0.9rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  border: none;
}

.btn--sm { padding: 8px 16px; font-size: 0.8rem; }
.btn--lg { padding: 14px 32px; font-size: 1rem; }

.btn--primary {
  background: var(--blue);
  color: #fff;
}
.btn--primary:hover {
  background: var(--blue-dark);
  box-shadow: 0 0 24px var(--blue-glow);
  transform: translateY(-1px);
}

.btn--outline {
  background: transparent;
  color: var(--blue);
  border: 1px solid var(--blue);
}
.btn--outline:hover {
  background: rgba(59, 130, 246, 0.1);
  box-shadow: 0 0 16px var(--blue-glow);
}

.btn--sm.btn--primary {
  background: var(--blue);
  color: #fff;
}

/* ── Accent ── */
.accent { color: var(--blue); }
.accent-text { color: var(--blue); font-weight: 600; }

/* ── Hero ── */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 120px 0 80px;
  position: relative;
}

/* 2-column grid: left=text, right=avatar+terminal */
.hero__grid {
  display: grid;
  grid-template-columns: 1fr 440px;
  gap: 64px;
  align-items: center;
  width: 100%;
}

.hero__left {
  min-width: 0;
}

.hero__right {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
}

/* ── Hero avatar (Telegram-style video circle) ── */
.hero__avatar {
  flex-shrink: 0;
}

.avatar__ring {
  width: 220px;
  height: 220px;
  border-radius: 50%;
  padding: 3px;
  background: linear-gradient(135deg, #3b82f6, #1d4ed8, #6366f1);
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.55);
  animation: ring-pulse 3s ease-in-out infinite;
}

.avatar__video {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  object-fit: cover;
  display: block;
  background: #0d1425;
}

@keyframes ring-pulse {
  0%, 100% { box-shadow: 0 0 40px rgba(59, 130, 246, 0.55); }
  50%       { box-shadow: 0 0 60px rgba(59, 130, 246, 0.85); }
}

.hero__tag {
  font-family: var(--mono);
  font-size: 0.85rem;
  color: var(--blue);
  margin-bottom: 8px;
  letter-spacing: 0.05em;
}

.hero__typewriter {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--muted);
  margin-bottom: 20px;
  min-height: 1.4em;
}

.tag__cursor {
  display: inline-block;
  color: var(--blue);
  animation: blink 1s step-end infinite;
  margin-left: 1px;
}

.hero__title {
  font-size: clamp(2.8rem, 5.5vw, 5.5rem);
  font-weight: 800;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 24px;
}

.hero__sub {
  font-size: 1.1rem;
  color: var(--muted);
  max-width: 560px;
  margin-bottom: 36px;
  line-height: 1.8;
}

.hero__cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero__stats {
  display: flex;
  gap: 40px;
  flex-wrap: wrap;
  margin-top: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.stat__num {
  display: block;
  font-size: 2rem;
  font-weight: 800;
  color: var(--blue);
  line-height: 1;
  margin-bottom: 4px;
}

.stat__label {
  font-size: 0.8rem;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

/* ── Sections ── */
.section {
  padding: 96px 0;
  position: relative;
  z-index: 1;
}

.section--alt {
  background: rgba(13, 20, 37, 0.7);
}

.section__tag {
  font-family: var(--mono);
  font-size: 0.8rem;
  color: var(--blue);
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}

.section__title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 56px;
}


.about__stats {
  display: flex;
  gap: 48px;
  flex-wrap: wrap;
  margin-top: 40px;
  padding-top: 40px;
  border-top: 1px solid var(--border);
}

.ok {
  color: #22c55e;
  font-weight: 600;
}

.dots {
  color: var(--muted);
  letter-spacing: 0.05em;
}

.status__prompt {
  margin-top: 10px;
  color: var(--blue);
  font-weight: 500;
}

.cursor {
  display: inline-block;
  animation: blink 1s step-end infinite;
}

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

/* ── About ── */
.about__grid {
  display: block;
}

.about__text {
  display: flex;
  flex-direction: column;
  gap: 20px;
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.8;
  padding-top: 8px;
}

/* ── Terminal ── */
.terminal {
  background: #0a0f1e;
  border: 1px solid var(--border);
  border-radius: 12px;
  overflow: hidden;
  box-shadow: 0 0 40px rgba(59, 130, 246, 0.08);
}

.terminal__bar {
  background: var(--surface);
  padding: 12px 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  border-bottom: 1px solid var(--border);
}

.dot {
  width: 12px; height: 12px;
  border-radius: 50%;
}
.dot--red    { background: #ff5f57; }
.dot--yellow { background: #febc2e; }
.dot--green  { background: #28c840; }

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

.terminal__body {
  padding: 20px 24px;
  font-family: var(--mono);
  font-size: 0.85rem;
  line-height: 1.9;
}

.kw  { color: #7dd3fc; }
.str { color: #86efac; }
.num { color: #fbbf24; }

/* ── Projects ── */
.projects {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.project-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.25s;
}

.project-card:hover {
  border-color: var(--blue);
  box-shadow: 0 0 32px var(--blue-glow);
}

.project-card__header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.project-card__title {
  font-size: 1.3rem;
  font-weight: 800;
  margin-bottom: 4px;
  color: var(--text);
}

.project-card__sub {
  font-size: 0.85rem;
  color: var(--blue);
  font-family: var(--mono);
}

.project-card__desc {
  font-size: 0.95rem;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 20px;
}

.project-card__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

/* ── Channel Cases ── */
.channel-cases {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.channel-case {
  display: flex;
  gap: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px;
  text-decoration: none;
  color: inherit;
  transition: all 0.25s;
}

.channel-case:hover {
  border-color: var(--blue);
  box-shadow: 0 0 28px var(--blue-glow);
  transform: translateY(-2px);
}

.channel-case__num {
  font-family: var(--mono);
  font-size: 1.8rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  flex-shrink: 0;
  min-width: 40px;
}

.channel-case__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text);
}

.channel-case__desc {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 14px;
}

.channel-case__link {
  font-size: 0.8rem;
  font-family: var(--mono);
  color: var(--blue);
}

@media (max-width: 700px) {
  .channel-cases { grid-template-columns: 1fr; }
}

/* ── Cards ── */
.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.25s;
}

.card:hover {
  border-color: var(--blue);
  box-shadow: 0 0 28px var(--blue-glow);
  transform: translateY(-3px);
}

.card__icon {
  width: 48px;
  height: 48px;
  background: rgba(59, 130, 246, 0.12);
  border: 1px solid rgba(59, 130, 246, 0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--blue);
  margin-bottom: 20px;
}

.card__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.card__text {
  font-size: 0.875rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Cases ── */
.cases {
  display: flex;
  flex-direction: column;
  gap: 24px;
}

.case {
  display: flex;
  gap: 32px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 32px;
  transition: all 0.25s;
}

.case:hover {
  border-color: var(--blue);
  box-shadow: 0 0 28px var(--blue-glow);
}

.case__num {
  font-family: var(--mono);
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--border);
  line-height: 1;
  min-width: 56px;
}

.case__title {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.case__result {
  margin-bottom: 12px;
}

.case__text {
  font-size: 0.9rem;
  color: var(--muted);
  line-height: 1.7;
  margin-bottom: 16px;
}

.case__tags {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.tag {
  font-size: 0.75rem;
  font-family: var(--mono);
  background: rgba(59, 130, 246, 0.1);
  color: var(--blue);
  border: 1px solid rgba(59, 130, 246, 0.25);
  padding: 3px 10px;
  border-radius: 4px;
}

/* ── Steps ── */
.steps {
  display: flex;
  align-items: flex-start;
  gap: 0;
}

.step {
  flex: 1;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 28px 24px;
  transition: all 0.25s;
}

.step:hover {
  border-color: var(--blue);
  box-shadow: 0 0 24px var(--blue-glow);
}

.step__arrow {
  font-size: 1.5rem;
  color: var(--blue);
  padding: 0 12px;
  align-self: center;
  flex-shrink: 0;
  opacity: 0.5;
}

.step__num {
  font-family: var(--mono);
  font-size: 2rem;
  font-weight: 700;
  color: var(--blue);
  opacity: 0.4;
  line-height: 1;
  margin-bottom: 14px;
}

.step__title {
  font-size: 1rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.step__text {
  font-size: 0.85rem;
  color: var(--muted);
  line-height: 1.7;
}

/* ── Contacts ── */
.contacts__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  margin-bottom: 48px;
  align-items: start;
}

.contacts__terminal {
  /* left column — terminal block */
}

.contacts__links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.contact-card {
  display: flex;
  align-items: center;
  gap: 16px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 18px 20px;
  transition: all 0.25s;
  text-decoration: none;
}

.contact-card:hover {
  border-color: var(--blue);
  box-shadow: 0 0 24px var(--blue-glow);
  transform: translateX(4px);
}

.contact-card__icon {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.contact-card__icon--tg  { background: rgba(37, 99, 235, 0.18); color: #3b82f6; }
.contact-card__icon--wa  { background: rgba(34, 197, 94, 0.12); color: #22c55e; }
.contact-card__icon--yt  { background: rgba(239, 68, 68, 0.12); color: #ef4444; }
.contact-card__icon--em  { background: rgba(99, 102, 241, 0.12); color: #818cf8; }

.contact-card__label {
  font-size: 0.72rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--muted);
  margin-bottom: 2px;
}

.contact-card__val {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text);
}

.contact-card__arrow {
  margin-left: auto;
  color: var(--muted);
  font-size: 1rem;
  transition: color 0.2s, transform 0.2s;
}

.contact-card:hover .contact-card__arrow {
  color: var(--blue);
  transform: translateX(3px);
}

/* Hacker-style CTA button */
.btn--hacker {
  font-family: var(--mono);
  font-size: 1rem;
  background: transparent;
  border: 1px solid var(--blue);
  color: var(--blue);
  letter-spacing: 0.03em;
  position: relative;
  overflow: hidden;
}

.btn--hacker::before {
  content: '';
  position: absolute;
  inset: 0;
  background: var(--blue);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s ease;
  z-index: 0;
}

.btn--hacker:hover::before {
  transform: scaleX(1);
}

.btn--hacker:hover {
  color: #fff;
  box-shadow: 0 0 32px var(--blue-glow);
}

.btn--hacker > * {
  position: relative;
  z-index: 1;
}

.btn__prefix {
  color: var(--muted);
  font-weight: 400;
}

.btn--hacker:hover .btn__prefix {
  color: rgba(255,255,255,0.6);
}

.contacts__cta {
  text-align: center;
}

/* ── Footer ── */
.footer {
  border-top: 1px solid var(--border);
  padding: 28px 0;
  text-align: center;
  color: var(--muted);
  font-size: 0.8rem;
  position: relative;
  z-index: 1;
}

/* ── Responsive ── */
@media (max-width: 1100px) {
  .hero__grid { grid-template-columns: 1fr 360px; gap: 48px; }
}

@media (max-width: 900px) {
  .hero__grid { grid-template-columns: 1fr; gap: 40px; }
  .hero__right { order: -1; flex-direction: row; justify-content: center; gap: 32px; flex-wrap: wrap; }
  .cards { grid-template-columns: repeat(2, 1fr); }
  .steps { flex-direction: column; gap: 12px; }
  .step__arrow { display: none; }
  .nav__links { display: none; }
  .contacts__grid { grid-template-columns: 1fr; }
}

@media (max-width: 700px) {
  .channel-cases { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero__tag, .hero__title, .hero__sub { text-align: center; }
  .hero__cta { justify-content: center; }
  .hero__stats { justify-content: center; gap: 24px; }
  .hero__right { flex-direction: column; align-items: center; }
  .cards { grid-template-columns: 1fr; }
  .case { flex-direction: column; gap: 16px; }
}