/* ========================================
   ИП САЗОНОВ — Retro Console Terminal Theme
   ======================================== */

:root {
  --bg-color: #050a05;
  --bg-grid: #0a140a;
  --terminal-bg: #000800;
  --text-color: #00ff41;
  --text-dim: #2e8b2e;
  --amber: #ffb000;
  --amber-dim: #b37d00;
  --cyan: #00ffff;
  --red: #ff3333;
  --yellow: #ffff00;
  --border-color: #1a6b1a;
  --glow: rgba(0, 255, 65, 0.4);
  --font-main: 'VT323', 'Share Tech Mono', 'Consolas', 'Courier New', monospace;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  padding: 0;
  font-family: var(--font-main);
  background-color: var(--bg-color);
  color: var(--text-color);
  font-size: 18px;
  line-height: 1.5;
  min-height: 100vh;
  position: relative;
  overflow-x: hidden;
}

/* CRT scanline overlay */
body::before {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9999;
  background: repeating-linear-gradient(
    0deg,
    rgba(0, 0, 0, 0.15),
    rgba(0, 0, 0, 0.15) 1px,
    transparent 1px,
    transparent 2px
  );
}

/* Subtle screen flicker animation */
@keyframes flicker {
  0% { opacity: 0.97; }
  5% { opacity: 0.95; }
  10% { opacity: 0.97; }
  100% { opacity: 0.97; }
}

body::after {
  content: "";
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  pointer-events: none;
  z-index: 9998;
  background: radial-gradient(circle at center, transparent 60%, rgba(0, 20, 0, 0.4) 100%);
  animation: flicker 4s infinite;
}

/* Typography */
h1, h2, h3, h4 {
  font-weight: 400;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-top: 0;
  text-shadow: 0 0 5px var(--glow), 0 0 10px var(--glow);
}

h1 { font-size: 2.5em; }
h2 { font-size: 2em; }
h3 { font-size: 1.5em; }
h4 { font-size: 1.2em; }

a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px dashed var(--cyan);
  transition: all 0.2s ease;
}

a:hover {
  color: var(--amber);
  border-bottom: 1px solid var(--amber);
  text-shadow: 0 0 5px rgba(255, 176, 0, 0.5);
}

p {
  margin: 0.8em 0;
}

/* Layout container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* Terminal window wrapper */
.terminal-window {
  background-color: var(--terminal-bg);
  border: 2px solid var(--border-color);
  box-shadow:
    0 0 0 1px #000,
    0 0 20px rgba(0, 255, 65, 0.15),
    inset 0 0 40px rgba(0, 80, 0, 0.1);
  margin: 20px auto;
  position: relative;
}

.terminal-window::before {
  content: "";
  position: absolute;
  top: -2px;
  left: -2px;
  right: -2px;
  bottom: -2px;
  border: 1px solid rgba(0, 255, 65, 0.3);
  pointer-events: none;
}

/* Terminal header bar */
.terminal-header {
  background-color: #081008;
  border-bottom: 1px solid var(--border-color);
  padding: 8px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.9em;
  color: var(--text-dim);
}

.terminal-title {
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.terminal-controls span {
  display: inline-block;
  width: 12px;
  height: 12px;
  margin-left: 8px;
  border: 1px solid var(--text-dim);
}

.terminal-controls span:first-child { background-color: var(--red); }
.terminal-controls span:nth-child(2) { background-color: var(--amber); }
.terminal-controls span:nth-child(3) { background-color: var(--text-color); }

/* Terminal content */
.terminal-content {
  padding: 25px;
}

@media (max-width: 768px) {
  .terminal-content {
    padding: 15px;
  }
}

/* Header / Logo */
.site-header {
  padding: 30px 0 10px;
}

.logo {
  font-size: 2.2em;
  text-transform: uppercase;
  letter-spacing: 4px;
  margin: 0;
  text-shadow: 0 0 10px var(--glow), 0 0 20px var(--glow);
}

.logo .ip {
  color: var(--amber);
}

.logo .sazonov {
  color: var(--text-color);
}

.logo-tagline {
  color: var(--text-dim);
  font-size: 0.95em;
  margin-top: 5px;
  letter-spacing: 1px;
}

/* ASCII decorations */
.ascii-box {
  border: 2px solid var(--border-color);
  padding: 20px;
  margin: 20px 0;
  position: relative;
}

.ascii-box::before,
.ascii-box::after {
  content: "+";
  position: absolute;
  color: var(--amber);
  font-weight: bold;
}

.ascii-box::before {
  top: -12px;
  left: 15px;
  background-color: var(--terminal-bg);
  padding: 0 5px;
}

.ascii-box::after {
  bottom: -12px;
  right: 15px;
  background-color: var(--terminal-bg);
  padding: 0 5px;
}

.ascii-line {
  border: none;
  border-top: 1px dashed var(--border-color);
  margin: 25px 0;
  position: relative;
}

.ascii-line::before {
  content: "/* ------------------------------ */";
  position: absolute;
  top: -12px;
  left: 50%;
  transform: translateX(-50%);
  background-color: var(--terminal-bg);
  padding: 0 10px;
  color: var(--text-dim);
  font-size: 0.85em;
}

/* Navigation */
.main-nav {
  margin: 20px 0;
  padding: 10px 0;
  border-top: 1px dashed var(--border-color);
  border-bottom: 1px dashed var(--border-color);
}

.main-nav ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 25px;
}

.main-nav li {
  position: relative;
}

.main-nav a {
  color: var(--text-color);
  border-bottom: none;
  display: inline-block;
  padding: 3px 0;
}

.main-nav a::before {
  content: "> ";
  color: var(--amber);
}

.main-nav a:hover {
  color: var(--amber);
  transform: translateX(5px);
}

@media (max-width: 768px) {
  .main-nav ul {
    flex-direction: column;
    gap: 5px;
  }
}

/* Prompt text */
.prompt {
  color: var(--text-dim);
}

.prompt::before {
  content: "root@saz0n0v.ru:~$ ";
  color: var(--amber);
}

/* Blink cursor */
.cursor {
  display: inline-block;
  width: 10px;
  height: 1.1em;
  background-color: var(--text-color);
  animation: blink 1s step-end infinite;
  vertical-align: text-bottom;
}

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

/* Section styling */
.section {
  margin-bottom: 40px;
}

.section-title {
  color: var(--amber);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 10px;
  margin-bottom: 20px;
}

.section-title::before {
  content: "# ";
  color: var(--text-color);
}

/* Service cards / list */
.service-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
}

.service-card {
  background-color: rgba(0, 20, 0, 0.4);
  border: 1px solid var(--border-color);
  padding: 20px;
  transition: all 0.3s ease;
}

.service-card:hover {
  border-color: var(--amber);
  box-shadow: 0 0 15px rgba(255, 176, 0, 0.2);
  transform: translateY(-3px);
}

.service-card h3 {
  color: var(--cyan);
  margin-bottom: 10px;
  font-size: 1.3em;
}

.service-card h3::before {
  content: "[*] ";
  color: var(--amber);
}

.service-card p {
  color: var(--text-color);
  font-size: 0.95em;
  margin-bottom: 15px;
}

.service-link {
  display: inline-block;
  margin-top: 10px;
  color: var(--amber);
  border-bottom: 1px dashed var(--amber);
}

.service-link::after {
  content: " →";
}

/* Portfolio grid */
.portfolio-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 25px;
}

.portfolio-item {
  border: 1px solid var(--border-color);
  background-color: rgba(0, 20, 0, 0.4);
  overflow: hidden;
  transition: all 0.3s ease;
}

.portfolio-item:hover {
  border-color: var(--cyan);
  box-shadow: 0 0 15px rgba(0, 255, 255, 0.15);
}

.portfolio-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  display: block;
  border-bottom: 1px solid var(--border-color);
  filter: sepia(30%) contrast(110%);
  transition: filter 0.3s ease;
}

.portfolio-item:hover img {
  filter: sepia(0%) contrast(120%);
}

.portfolio-item.no-image {
  min-height: 280px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
}

.portfolio-item.no-image .portfolio-ascii {
  font-size: 2em;
  color: var(--text-dim);
  white-space: pre;
  line-height: 1.2;
}

.portfolio-content {
  padding: 15px;
}

.portfolio-content h3 {
  color: var(--cyan);
  margin: 0 0 8px 0;
  font-size: 1.2em;
}

.portfolio-content p {
  color: var(--text-dim);
  font-size: 0.9em;
  margin: 0;
}

/* About section with photo */
.about-content {
  display: grid;
  grid-template-columns: 250px 1fr;
  gap: 30px;
  align-items: start;
}

.about-photo {
  border: 2px solid var(--border-color);
  padding: 5px;
  background-color: #081008;
}

.about-photo img {
  width: 100%;
  display: block;
  filter: grayscale(30%) contrast(110%);
}

.about-text p {
  margin-top: 0;
}

@media (max-width: 768px) {
  .about-content {
    grid-template-columns: 1fr;
  }
  .about-photo {
    max-width: 250px;
    margin: 0 auto;
  }
}

/* Contact form */
.contact-form {
  max-width: 600px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  margin-bottom: 5px;
  color: var(--amber);
}

.form-group label::before {
  content: "> ";
  color: var(--text-color);
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 10px 12px;
  background-color: #000800;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-family: var(--font-main);
  font-size: 1em;
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--amber);
  box-shadow: 0 0 10px rgba(255, 176, 0, 0.2);
}

.form-group textarea {
  min-height: 120px;
  resize: vertical;
}

.form-group select {
  cursor: pointer;
  appearance: none;
  background-image: linear-gradient(45deg, transparent 50%, var(--text-color) 50%),
                    linear-gradient(135deg, var(--text-color) 50%, transparent 50%);
  background-position: calc(100% - 15px) 50%, calc(100% - 10px) 50%;
  background-size: 5px 5px, 5px 5px;
  background-repeat: no-repeat;
}

.form-group select option {
  background-color: #000800;
  color: var(--text-color);
}

/* Buttons */
.btn {
  display: inline-block;
  padding: 12px 25px;
  background-color: transparent;
  border: 1px solid var(--text-color);
  color: var(--text-color);
  font-family: var(--font-main);
  font-size: 1.1em;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s ease;
  position: relative;
}

.btn::before {
  content: "[ ";
}

.btn::after {
  content: " ]";
}

.btn:hover {
  background-color: rgba(0, 255, 65, 0.1);
  border-color: var(--amber);
  color: var(--amber);
  box-shadow: 0 0 15px rgba(0, 255, 65, 0.3);
}

.btn-primary {
  border-color: var(--amber);
  color: var(--amber);
}

.btn-primary:hover {
  background-color: rgba(255, 176, 0, 0.1);
  box-shadow: 0 0 15px rgba(255, 176, 0, 0.3);
}

/* Contact links */
.contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 15px;
  margin-top: 20px;
}

.contact-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 15px;
  border: 1px solid var(--border-color);
  color: var(--text-color);
}

.contact-link:hover {
  border-color: var(--cyan);
  color: var(--cyan);
}

/* Footer / Requisites */
.site-footer {
  margin-top: 40px;
  padding: 25px 0;
  border-top: 1px dashed var(--border-color);
  color: var(--text-dim);
  font-size: 0.9em;
}

.requisites {
  margin-bottom: 15px;
}

.requisites p {
  margin: 3px 0;
}

.copyright {
  color: var(--text-dim);
  text-align: center;
  padding-top: 15px;
  border-top: 1px solid var(--border-color);
}

/* Utility classes */
.text-center { text-align: center; }
.text-amber { color: var(--amber); }
.text-cyan { color: var(--cyan); }
.text-dim { color: var(--text-dim); }
.mt-0 { margin-top: 0; }
.mb-0 { margin-bottom: 0; }

/* Typewriter effect placeholder */
.typewriter {
  overflow: hidden;
  white-space: nowrap;
}

/* Lists in terminal style */
.terminal-list {
  list-style: none;
  padding-left: 0;
}

.terminal-list li {
  padding-left: 25px;
  position: relative;
  margin-bottom: 10px;
}

.terminal-list li::before {
  content: "-";
  position: absolute;
  left: 0;
  color: var(--amber);
}

/* Service landing page specifics */
.service-hero {
  text-align: center;
  padding: 30px 0;
  border-bottom: 1px dashed var(--border-color);
  margin-bottom: 30px;
}

.service-hero h1 {
  color: var(--amber);
  margin-bottom: 10px;
}

.service-hero .subtitle {
  color: var(--text-dim);
  font-size: 1.1em;
}

.service-features {
  margin: 30px 0;
}

.service-features h3 {
  color: var(--cyan);
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 8px;
}

.service-cta {
  background-color: rgba(0, 20, 0, 0.4);
  border: 1px solid var(--border-color);
  padding: 25px;
  text-align: center;
  margin-top: 30px;
}

.service-cta p {
  margin-bottom: 20px;
}

/* Page navigation breadcrumb */
.breadcrumb {
  color: var(--text-dim);
  margin-bottom: 20px;
  font-size: 0.9em;
}

.breadcrumb a {
  color: var(--text-dim);
  border-bottom: 1px dotted var(--text-dim);
}

.breadcrumb a:hover {
  color: var(--amber);
}

/* Mobile menu toggle */
.menu-toggle {
  display: none;
  background: transparent;
  border: 1px solid var(--border-color);
  color: var(--text-color);
  font-family: var(--font-main);
  padding: 8px 15px;
  cursor: pointer;
  margin: 10px 0;
}

.menu-toggle:hover {
  border-color: var(--amber);
  color: var(--amber);
}

@media (max-width: 768px) {
  .menu-toggle {
    display: inline-block;
  }
  .main-nav ul {
    display: none;
  }
  .main-nav.active ul {
    display: flex;
  }
  h1 { font-size: 1.8em; }
  h2 { font-size: 1.5em; }
  .logo { font-size: 1.6em; }
}

/* Modal window */
.modal-overlay {
  position: fixed;
  top: 0;
  left: 0;
  width: 100vw;
  height: 100vh;
  background-color: rgba(0, 0, 0, 0.85);
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
}

.modal-window {
  background-color: var(--terminal-bg);
  border: 2px solid var(--border-color);
  box-shadow: 0 0 30px rgba(0, 255, 65, 0.3);
  max-width: 500px;
  width: 100%;
  position: relative;
}

.modal-header {
  background-color: #081008;
  border-bottom: 1px solid var(--border-color);
  padding: 12px 15px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  color: var(--amber);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.modal-close {
  background: transparent;
  border: none;
  color: var(--red);
  font-family: var(--font-main);
  font-size: 1em;
  cursor: pointer;
}

.modal-close:hover {
  color: var(--amber);
}

.modal-body {
  padding: 25px;
}

.modal-body p {
  margin: 0;
}

.modal-footer {
  padding: 0 25px 25px;
  text-align: center;
}

/* Print styles */
@media print {
  body {
    background-color: #fff;
    color: #000;
  }
  body::before,
  body::after {
    display: none;
  }
  .terminal-window {
    border: 1px solid #999;
    box-shadow: none;
  }
  .modal-overlay {
    display: none;
  }
}