/* ═══════════════════════════════════════════════
   style.css — koshatinko.ru portfolio
   Merged from:
   · concepts/hero-v5-clean.html
   · .superpowers/brainstorm/12196-1774370215/full-page-demo.html
   ═══════════════════════════════════════════════ */


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


/* ── CSS Variables ── */
:root {
  --bg: #0a0a0a;
  --fg: #f0ede8;
  --fg-muted: #a8a4a0;
  --fg-subtle: #6b6865;
  --accent: #6b9e9e;
  --card-bg: #151515;
  --font-display: 'Comfortaa', system-ui, sans-serif;
  --font-body: 'Nunito', system-ui, sans-serif;
  --text-hero: clamp(2.8rem, 2rem + 3.5vw, 5rem);
  --text-label: clamp(0.65rem, 0.6rem + 0.25vw, 0.75rem);
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
}


/* ── Base ── */
html { scroll-behavior: smooth; }
body {
  width: 100%;
  overflow-x: hidden;
  background: var(--bg);
  color: var(--fg);
  cursor: none;
  font-family: var(--font-body);
  font-size: 16px;
}


/* ── Custom cursor ── */
.cursor {
  position: fixed; top: -6px; left: -6px; width: 12px; height: 12px;
  background: var(--fg); border-radius: 50%; pointer-events: none; z-index: 10000;
  mix-blend-mode: difference;
  transition: width 0.3s var(--ease-spring), height 0.3s var(--ease-spring),
              top 0.3s var(--ease-spring), left 0.3s var(--ease-spring);
}
.cursor.hovering {
  width: 48px; height: 48px; top: -24px; left: -24px;
  background: var(--accent);
  mix-blend-mode: normal;
  opacity: 0.5;
}


/* ── Particle trail canvas ── */
#trail-canvas {
  position: fixed; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 20; pointer-events: none;
}


/* ═══ HERO ═══ */
.hero {
  position: relative; z-index: 5; width: 100%; height: 100vh;
  display: grid; grid-template-columns: 1fr 1fr;
}

/* Left — text */
.hero-text {
  display: flex; flex-direction: column; justify-content: center;
  padding: 4rem 3rem 4rem 6rem;
  pointer-events: none;
}
.hero-label {
  font-family: var(--font-display); font-size: var(--text-label); font-weight: 300;
  letter-spacing: 0.25em; text-transform: uppercase; color: var(--fg-subtle);
  margin-bottom: 1.2rem; opacity: 0;
}
.hero-name {
  font-family: var(--font-display); font-size: var(--text-hero); font-weight: 700;
  line-height: 1.15; letter-spacing: -0.01em; color: var(--fg);
}
.hero-name .word-wrap { display: inline-block; overflow: hidden; vertical-align: top; }
.hero-name .word { display: inline-block; transform: translateY(115%); }

.hero-title {
  font-family: var(--font-display); font-size: clamp(0.95rem, 0.8rem + 0.6vw, 1.15rem);
  font-weight: 300; color: var(--fg-muted); margin-top: 1.5rem; opacity: 0;
  max-width: 420px; line-height: 1.7;
}
.hero-title em { font-style: normal; color: var(--accent); font-weight: 600; }

/* Hero tags */
.hero-tags {
  display: flex; gap: 0.6rem; flex-wrap: wrap; margin-top: 1.8rem; opacity: 0;
}
.hero-tag {
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 400;
  letter-spacing: 0.03em; color: var(--accent); text-decoration: none;
  border: 1px solid rgba(107,158,158,0.25); border-radius: 100px;
  padding: 0.5rem 1.2rem;
  cursor: none; pointer-events: auto;
  transition: background 0.35s var(--ease-out), border-color 0.35s var(--ease-out),
              transform 0.35s var(--ease-out), color 0.35s var(--ease-out);
}
.hero-tag:hover {
  background: rgba(107,158,158,0.15);
  border-color: var(--accent);
  transform: translateY(-2px);
  color: var(--fg);
}

/* Right — photo */
.hero-photo {
  position: relative; overflow: hidden;
  display: flex; align-items: center; justify-content: center;
  pointer-events: auto;
}
.hero-photo img {
  width: 100%; height: 100%; object-fit: cover;
  position: relative; z-index: 2;
}
/* Dark mask over photo — cursor reveals through it */
.photo-mask {
  position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  z-index: 4; pointer-events: none;
  background: var(--bg);
  -webkit-mask-image: radial-gradient(
    350px circle at var(--spot-x, 150%) var(--spot-y, 50%),
    transparent 0%,
    transparent 15%,
    black 60%
  );
  mask-image: radial-gradient(
    350px circle at var(--spot-x, 150%) var(--spot-y, 50%),
    transparent 0%,
    transparent 15%,
    black 60%
  );
  opacity: 0.75;
  transition: opacity 0.5s var(--ease-out);
}
/* Soft left edge fade */
.hero-photo::before {
  content: ''; position: absolute; top: 0; left: 0; width: 20%; height: 100%;
  background: linear-gradient(to right, var(--bg) 0%, transparent 100%);
  z-index: 5; pointer-events: none;
}
/* Top/bottom fade */
.hero-photo::after {
  content: ''; position: absolute; top: 0; left: 0; width: 100%; height: 100%;
  background: linear-gradient(to bottom, var(--bg) 0%, transparent 4%, transparent 96%, var(--bg) 100%);
  z-index: 5; pointer-events: none;
}

/* Scroll hint */
.scroll-hint {
  position: absolute; bottom: 2.5rem; left: 25%; transform: translateX(-50%);
  display: flex; flex-direction: column; align-items: center; gap: 0.4rem; opacity: 0;
}
.scroll-hint span {
  font-family: var(--font-display); font-size: 10px; font-weight: 300;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--fg-subtle);
}
.scroll-line {
  width: 1px; height: 28px; background: var(--fg-subtle); transform-origin: top;
  animation: scroll-pulse 2.2s ease-in-out infinite;
}
@keyframes scroll-pulse {
  0%,100% { transform: scaleY(1); opacity: 0.3; }
  50% { transform: scaleY(0.4); opacity: 0.8; }
}


/* ── Grain overlay ── */
.grain {
  position: fixed; inset: -50%; width: 200%; height: 200%;
  pointer-events: none; z-index: 9999; opacity: 0.04;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
  background-size: 256px 256px; animation: grain 0.5s steps(1) infinite;
}
@keyframes grain {
  0%,100% { transform: translate(0,0); }
  10% { transform: translate(-2%,-3%); }
  20% { transform: translate(4%,2%); }
  30% { transform: translate(-1%,4%); }
  40% { transform: translate(3%,-1%); }
  50% { transform: translate(-4%,2%); }
  60% { transform: translate(2%,4%); }
  70% { transform: translate(-3%,-2%); }
  80% { transform: translate(1%,-4%); }
  90% { transform: translate(-2%,3%); }
}


/* ═══ STICKY NAV ═══ */
.sticky-nav {
  position: sticky; top: 0; z-index: 50;
  background: rgba(10,10,10,0.85); backdrop-filter: blur(16px);
  border-bottom: 1px solid #1a1a1a;
  padding: 0.9rem 2rem; display: flex; justify-content: center; gap: 2.5rem;
  opacity: 0; pointer-events: none;
  transition: opacity 0.4s ease;
}
.sticky-nav.visible { opacity: 1; pointer-events: auto; }
.sticky-nav a {
  font-family: var(--font-display); font-size: 0.75rem; font-weight: 400;
  letter-spacing: 0.1em; text-transform: uppercase; color: var(--fg-muted);
  text-decoration: none; transition: color 0.3s;
}
.sticky-nav a:hover, .sticky-nav a.active { color: var(--accent); }


/* ═══ SECTIONS ═══ */
.section {
  max-width: 1000px; margin: 0 auto; padding: 5rem 2rem;
}
.section-label {
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 300;
  letter-spacing: 0.25em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.6rem;
}
.section-title {
  font-family: var(--font-display); font-size: clamp(1.6rem, 1.2rem + 1.5vw, 2.2rem);
  font-weight: 600; color: var(--fg); margin-bottom: 2rem;
}

/* Section divider */
.section-divider {
  max-width: 1000px; margin: 0 auto; height: 1px;
  background: linear-gradient(to right, transparent, #222, transparent);
}


/* ═══ CARDS ═══ */
.cards-grid {
  display: grid; grid-template-columns: 1fr 1fr; gap: 1rem;
}
.cards-grid.cols-3 { grid-template-columns: repeat(3, 1fr); }

.card {
  background: var(--card-bg); border: 1px solid #222; border-radius: 12px;
  padding: 1.5rem; cursor: pointer;
  display: flex; gap: 1.2rem; align-items: flex-start;
  transition: border-color 0.3s, transform 0.25s;
}
.card:hover { border-color: var(--accent); transform: translateY(-3px); }
.card-body { flex: 1; min-width: 0; }
.card-img {
  width: 80px; height: 80px; min-width: 80px; background: #1e1e1e; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.7rem; color: var(--fg-subtle); overflow: hidden;
  order: 1;
}
.card-img svg, .people-card .card-img svg {
  transition: filter 0.4s var(--ease-out);
  filter: drop-shadow(0 0 0px transparent);
}
.card:hover .card-img svg, .people-card:hover .card-img svg {
  filter: drop-shadow(0 0 8px rgba(107,158,158,0.4));
}
.card h3 {
  font-family: var(--font-display); font-size: 1.2rem; font-weight: 600;
  color: var(--fg); margin-bottom: 0.5rem;
}
.card p {
  font-size: 1rem; color: var(--fg-muted); line-height: 1.6;
}
.card-meta {
  margin-top: 0.7rem; font-size: 0.85rem; color: var(--fg-subtle);
}
.card-links {
  display: flex; gap: 0.5rem; flex-wrap: wrap; margin-top: 0.8rem;
  pointer-events: auto; position: relative; z-index: 2;
}
.card-links a {
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 400;
  color: var(--fg-subtle); text-decoration: none;
  border: 1px solid #2a2a2a; border-radius: 100px;
  padding: 0.25rem 0.65rem;
  transition: color 0.3s var(--ease-out), border-color 0.3s var(--ease-out);
}
.card-links a:hover {
  color: var(--accent); border-color: var(--accent);
}

/* People cards */
.people-card {
  background: var(--card-bg); border: 1px solid #222; border-radius: 12px;
  padding: 1.5rem; cursor: pointer;
  display: flex; gap: 1.2rem; align-items: flex-start;
  transition: border-color 0.3s, transform 0.25s;
}
.people-card .card-body { flex: 1; min-width: 0; }
.people-card .card-img {
  width: 80px; height: 80px; min-width: 80px; order: 1;
}
.people-card:hover { border-color: var(--accent); transform: translateY(-3px); }
.people-card h3 {
  font-family: var(--font-display); font-size: 1.25rem; font-weight: 600;
  color: var(--fg); margin-bottom: 0.4rem;
}
.people-card p {
  font-size: 0.95rem; color: var(--fg-muted); line-height: 1.6;
  margin-bottom: 0.7rem;
}
.people-roles {
  display: flex; flex-wrap: wrap; gap: 0.5rem;
}
.people-role {
  font-size: 0.9rem; color: var(--fg-muted);
  background: rgba(107,158,158,0.08); border: 1px solid rgba(107,158,158,0.15);
  border-radius: 100px; padding: 0.25rem 0.7rem;
}
.people-years {
  font-size: 0.75rem; font-weight: 300; color: var(--fg-subtle);
  margin-left: 0.3rem;
}


/* ═══ CONTACTS ═══ */
.section-subtitle {
  font-family: var(--font-display); font-size: clamp(0.9rem, 0.8rem + 0.4vw, 1.05rem);
  font-weight: 300; color: var(--fg-muted); margin-bottom: 2rem;
}
.contacts-grid {
  display: flex; gap: 1.2rem; justify-content: flex-start;
}
.contact-link {
  display: flex; flex-direction: column; align-items: center; gap: 0.6rem;
  background: var(--card-bg); border: 1px solid #222; border-radius: 12px;
  padding: 1.2rem 1.5rem; text-decoration: none;
  transition: border-color 0.3s, transform 0.25s;
}
.contact-link:hover { border-color: var(--accent); transform: translateY(-3px); }
.contact-icon {
  width: 44px; height: 44px; border-radius: 50%;
  background: rgba(107,158,158,0.1); border: 1px solid rgba(107,158,158,0.2);
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; color: var(--accent);
  transition: background 0.3s, border-color 0.3s;
}
.contact-link:hover .contact-icon {
  background: rgba(107,158,158,0.2); border-color: var(--accent);
}
.contact-label {
  font-family: var(--font-display); font-size: 0.7rem; font-weight: 400;
  color: var(--fg-muted); letter-spacing: 0.05em;
}


/* ═══ FOOTER ═══ */
.footer {
  text-align: center; padding: 2rem; font-size: 0.7rem; color: var(--fg-subtle);
  border-top: 1px solid #1a1a1a; margin-top: 2rem;
}


/* ═══ OVERLAY & PANEL ═══ */
.overlay {
  position: fixed; inset: 0; background: rgba(0,0,0,0); z-index: 100;
  pointer-events: none; transition: background 0.4s;
}
.overlay.open { background: rgba(0,0,0,0.5); pointer-events: auto; }

.panel {
  position: fixed; top: 0; right: 0; width: min(540px,88vw); height: 100vh;
  background: var(--bg); border-left: 1px solid #222;
  z-index: 101; transform: translateX(100%);
  transition: transform 0.45s cubic-bezier(0.16,1,0.3,1);
  overflow-y: auto; overscroll-behavior: contain;
}
.panel.open { transform: translateX(0); }

.panel-header {
  position: sticky; top: 0; background: var(--bg);
  padding: 1.5rem 2rem; display: flex; justify-content: space-between; align-items: center;
  border-bottom: 1px solid #1a1a1a; z-index: 2;
}
.panel-header h2 { font-family: var(--font-display); font-size: 1.5rem; font-weight: 600; }
.panel-close {
  width: 36px; height: 36px; border-radius: 50%; border: 1px solid #333;
  background: transparent; color: var(--fg-muted); font-size: 1.2rem;
  cursor: pointer; display: flex; align-items: center; justify-content: center;
  transition: border-color 0.3s, color 0.3s;
}
.panel-close:hover { border-color: var(--fg); color: var(--fg); }

.panel-body { padding: 2rem; }
.panel-img {
  width: 100%; height: 180px; background: #151515; border-radius: 10px;
  margin-bottom: 1.5rem; display: flex; align-items: center; justify-content: center;
  font-size: 0.8rem; color: var(--fg-subtle); border: 1px solid #222;
}
.panel-section { margin-bottom: 1.5rem; }
.panel-section h3 {
  font-family: var(--font-display); font-size: 0.8rem; font-weight: 400;
  letter-spacing: 0.15em; text-transform: uppercase; color: var(--accent);
  margin-bottom: 0.6rem;
}
.panel-section p { font-size: 1.05rem; color: var(--fg-muted); line-height: 1.8; }
.panel-section ul { list-style: none; padding: 0; }
.panel-section li {
  font-size: 1.05rem; color: var(--fg-muted); line-height: 1.8;
  padding-left: 1rem; position: relative;
}
.panel-section li::before {
  content: ''; position: absolute; left: 0; top: 0.65em;
  width: 4px; height: 4px; border-radius: 50%; background: var(--accent);
}
.panel-tags { display: flex; gap: 0.4rem; flex-wrap: wrap; }
.panel-tag {
  font-family: var(--font-display); font-size: 0.85rem;
  color: var(--accent); border: 1px solid rgba(107,158,158,0.25);
  border-radius: 100px; padding: 0.25rem 0.7rem;
}
.panel-links { display: flex; gap: 0.5rem; flex-wrap: wrap; }
.panel-link {
  font-family: var(--font-display); font-size: 0.85rem; font-weight: 400;
  color: var(--accent); text-decoration: none;
  border: 1px solid rgba(107,158,158,0.3); border-radius: 100px;
  padding: 0.4rem 1rem;
  transition: background 0.3s var(--ease-out), border-color 0.3s var(--ease-out), color 0.3s var(--ease-out);
}
.panel-link:hover {
  background: rgba(107,158,158,0.15);
  border-color: var(--accent);
  color: var(--fg);
}


.card, .people-card, .contact-link, .panel-close { cursor: none; }


/* ═══ CARD SVG MICRO-ANIMATIONS ═══ */

/* Shared: all animated parts transition smoothly */
.card-img svg * {
  transition: transform 0.5s var(--ease-out), opacity 0.5s var(--ease-out);
}

/* Штрафы — crosshair pulses */
.card[data-panel="shtrafy"]:hover .svg-pulse {
  transform: scale(1.15);
  transform-origin: center;
  opacity: 1;
}

/* Налоги — document slides up */
.card[data-panel="nalogi"]:hover .svg-float {
  transform: translateY(-3px);
}

/* ОСАГО — car rocks */
.card[data-panel="osago"]:hover .svg-rock {
  transform: rotate(-3deg);
  transform-origin: center bottom;
}

/* Дороги — dot moves along path */
.card[data-panel="dorogi"]:hover .svg-move {
  transform: translateX(-8px) translateY(4px);
}

/* НейроКокос — whiskers wiggle */
.card[data-panel="neurokokos"]:hover .svg-whisker-r {
  transform: rotate(5deg);
  transform-origin: left center;
}
.card[data-panel="neurokokos"]:hover .svg-whisker-l {
  transform: rotate(-5deg);
  transform-origin: right center;
}
.card[data-panel="neurokokos"]:hover .svg-ears {
  transform: translateY(-2px);
}

/* Контент-завод — blocks shift right */
.card[data-panel="content-factory"]:hover .svg-block-1 {
  transform: translateX(3px);
}
.card[data-panel="content-factory"]:hover .svg-block-2 {
  transform: translateX(3px);
  transition-delay: 0.05s;
}
.card[data-panel="content-factory"]:hover .svg-block-3 {
  transform: translateX(3px);
  transition-delay: 0.1s;
}

/* Корпоративный чат — bubbles shift apart */
.card[data-panel="corporate-chat"]:hover .svg-bubble-1 {
  transform: translate(-2px, -2px);
}
.card[data-panel="corporate-chat"]:hover .svg-bubble-2 {
  transform: translate(2px, 2px);
}

/* Яндекс Директ — rings pulse outward */
.card[data-panel="yandex-direct"]:hover .svg-ring-outer {
  transform: scale(1.1);
  transform-origin: center;
}
.card[data-panel="yandex-direct"]:hover .svg-ring-mid {
  transform: scale(1.08);
  transform-origin: center;
}
.card[data-panel="yandex-direct"]:hover .svg-ring-center {
  opacity: 1;
}

/* User Acquisition — people grow */
.card[data-panel="user-acquisition"]:hover .svg-person-big {
  transform: scale(1.08);
  transform-origin: center bottom;
}
.card[data-panel="user-acquisition"]:hover .svg-plus {
  transform: rotate(90deg);
  transform-origin: center;
}

/* Job Monitor — magnifier moves */
.card[data-panel="job-monitor"]:hover .svg-lens {
  transform: translate(2px, -2px);
}

/* Knowledge Base — nodes spread */
.card[data-panel="knowledge-base"]:hover .svg-node-l {
  transform: translateX(-3px);
}
.card[data-panel="knowledge-base"]:hover .svg-node-r {
  transform: translateX(3px);
}
.card[data-panel="knowledge-base"]:hover .svg-node-top {
  transform: translateY(-2px);
}

/* This Site — code lines type in */
.card[data-panel="this-site"]:hover .svg-code-1 {
  opacity: 0.7;
  x2: 44;
}
.card[data-panel="this-site"]:hover .svg-code-2 {
  opacity: 0.6;
  x2: 56;
}
.card[data-panel="this-site"]:hover .svg-code-3 {
  opacity: 0.5;
  x2: 44;
}
.card[data-panel="this-site"]:hover .svg-window {
  stroke-opacity: 0.8;
}

/* People cards — CPO tree expands */
.people-card[data-panel="cpo"]:hover .svg-team {
  transform: translateY(2px);
}
.people-card[data-panel="cpo"]:hover .svg-leader {
  transform: scale(1.1);
  transform-origin: center;
}

/* CEO — crown lifts */
.people-card[data-panel="ceo"]:hover .svg-crown {
  transform: translateY(-3px);
}
.people-card[data-panel="ceo"]:hover .svg-team {
  transform: translateY(2px);
}

/* CMO — graph line animates */
.people-card[data-panel="cmo"]:hover .svg-graph {
  transform: translateY(-3px);
}

/* PM — checkmark appears */
.people-card[data-panel="pm"]:hover .svg-check {
  opacity: 1;
  transform: scale(1.15);
  transform-origin: center;
}


/* ═══ RESPONSIVE ═══ */

/* ── Mobile (≤ 768px) ── */
@media (max-width: 768px) {
  /* Hero */
  .hero {
    grid-template-columns: 1fr;
    grid-template-rows: 45vh 1fr;
  }
  .hero-photo { order: -1; }
  .hero-text {
    padding: 2rem 1.5rem 4rem;
    justify-content: flex-start;
  }
  .hero-name {
    font-size: clamp(2.2rem, 1.5rem + 4vw, 3.2rem);
  }
  .hero-title {
    font-size: 1rem;
    max-width: 100%;
    line-height: 1.8;
  }
  .hero-tags {
    gap: 0.5rem;
  }
  .hero-tag {
    font-size: 0.8rem;
    padding: 0.45rem 1rem;
  }
  .scroll-hint {
    left: 50%;
    bottom: 1.5rem;
  }
  .photo-mask {
    opacity: 0.5;
  }
  .hero-photo::before {
    display: none;
  }
  /* Hide custom cursor on touch devices */
  .cursor, #trail-canvas { display: none; }
  .card, .people-card, .contact-link, .panel-close { cursor: pointer; }

  /* Sections */
  .cards-grid, .cards-grid.cols-3 { grid-template-columns: 1fr; }
  .contacts-grid { flex-direction: row; flex-wrap: wrap; }
  .sticky-nav { gap: 1.2rem; padding: 0.8rem 1rem; }
  .sticky-nav a { font-size: 0.75rem; }
  .section { padding: 3rem 1.5rem; }
  .section-title { font-size: clamp(1.6rem, 1.2rem + 2vw, 2rem); }
  .section-subtitle { font-size: 1rem; }
  .card-links a { font-size: 0.75rem; }

  /* Panel */
  .panel-header h2 { font-size: 1.35rem; }
  .panel-body { padding: 1.5rem; }
  .panel-section h3 { font-size: 0.85rem; }
  .panel-section p { font-size: 1.05rem; line-height: 1.85; }
  .panel-section li { font-size: 1.05rem; line-height: 1.85; }
  .panel-tag { font-size: 0.85rem; padding: 0.35rem 0.9rem; }
}

/* ── Mobile landscape (≤ 768px × ≤ 700px) ── */
@media (max-width: 768px) and (max-height: 700px) {
  .hero {
    grid-template-rows: 35vh 1fr;
  }
}

/* ── Tablet (769px – 1024px) ── */
@media (min-width: 769px) and (max-width: 1024px) {
  .hero-text {
    padding: 3rem 2rem 3rem 3rem;
  }
  .hero-name {
    font-size: clamp(2.2rem, 1.8rem + 2.5vw, 3.5rem);
  }
}