/*
Theme Name: UkropSoft
Theme URI: https://ukropsoft.ua
Author: UkropSoft
Author URI: https://ukropsoft.ua
Description: Military software development company theme with SCF fields and WPML support
Version: 1.0.0
Requires at least: 6.0
Tested up to: 6.7
Requires PHP: 8.0
License: Private
Text Domain: ukropsoft
Domain Path: /languages
Tags: military, software, multilingual
*/

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
  /* Colors */
  --color-bg:          #0d0d0d;
  --color-bg-alt:      #111111;
  --color-surface:     #1a1a1a;
  --color-surface-alt: #222222;
  --color-border:      rgba(255,255,255,0.08);
  --color-accent:      #d4b84a;   /* yellow/gold */
  --color-accent-dim:  rgba(212,184,74,0.15);
  --color-accent-hover:#e8cc5a;
  --color-text:        #ffffff;
  --color-text-muted:  rgba(255,255,255,0.55);
  --color-text-dim:    rgba(255,255,255,0.35);
  --color-green-dark:  #1c2b1a;
  --color-green-mid:   #2a3d28;

  /* Typography */
  --font-display: 'Bebas Neue', 'Impact', sans-serif;
  --font-body:    'Raleway', 'Segoe UI', sans-serif;
  --font-mono:    'JetBrains Mono', monospace;

  /* Spacing scale */
  --sp-xs:  0.5rem;
  --sp-sm:  1rem;
  --sp-md:  2rem;
  --sp-lg:  4rem;
  --sp-xl:  7rem;
  --sp-2xl: 10rem;

  /* Transitions */
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
  --dur:  0.35s;

  /* Layout */
  --container-max: 1280px;
  --container-pad: clamp(1.25rem, 5vw, 4rem);
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 16px;
}

/* ============================================================
   RESET & BASE
   ============================================================ */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; font-size: 16px; }

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: clamp(0.9rem, 1.5vw, 1rem);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a  { color: inherit; text-decoration: none; }
ul { list-style: none; }
button, input, textarea, select { font-family: inherit; }

/* ============================================================
   UTILITY CLASSES
   ============================================================ */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.section { padding-block: var(--sp-xl); }
.section--sm { padding-block: var(--sp-lg); }
.section--lg { padding-block: var(--sp-2xl); }

.section-label {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-accent);
  margin-bottom: var(--sp-sm);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3.75rem);
  line-height: 1.05;
  letter-spacing: 0.01em;
  text-transform: uppercase;
}

.section-desc {
  color: var(--color-text-muted);
  max-width: 52ch;
  line-height: 1.7;
}

.btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.75rem 1.75rem;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.875rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  border: none;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
  border-radius: var(--radius-sm);
}

.btn--primary {
  background: var(--color-accent);
  color: #000;
}
.btn--primary:hover {
  background: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212,184,74,0.3);
}

.btn--outline {
  background: transparent;
  color: var(--color-text);
  border: 1px solid var(--color-border);
}
.btn--outline:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.btn--ghost {
  background: transparent;
  color: var(--color-accent);
  padding-inline: 0;
  gap: 0.75rem;
}
.btn--ghost::after {
  content: '→';
  transition: transform var(--dur) var(--ease);
}
.btn--ghost:hover::after { transform: translateX(4px); }

.tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--color-accent);
  background: var(--color-accent-dim);
  padding: 0.3rem 0.75rem;
  border-radius: 2px;
}

.grid-2 { display: grid; grid-template-columns: repeat(2,1fr); gap: var(--sp-md); }
.grid-3 { display: grid; grid-template-columns: repeat(3,1fr); gap: var(--sp-md); }
.grid-4 { display: grid; grid-template-columns: repeat(4,1fr); gap: var(--sp-md); }

/* ============================================================
   HEADER
   ============================================================ */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding-block: 1.25rem;
  transition: background var(--dur) var(--ease), backdrop-filter var(--dur) var(--ease);
}

.site-header.is-scrolled {
  background: rgba(13,13,13,0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
}

.header-logo img { height: 36px; width: auto; }
.header-logo .logo-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

.header-nav ul {
  display: flex;
  align-items: center;
  gap: 2rem;
}

.header-nav a {
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
  transition: color var(--dur) var(--ease);
  position: relative;
}

.header-nav a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 1px;
  background: var(--color-accent);
  transition: width var(--dur) var(--ease);
}

.header-nav a:hover,
.header-nav a.is-active {
  color: var(--color-text);
}
.header-nav a:hover::after,
.header-nav a.is-active::after { width: 100%; }

.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.lang-switcher {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--color-text-muted);
}
.lang-switcher a { transition: color var(--dur) var(--ease); }
.lang-switcher a.is-active,
.lang-switcher a:hover { color: var(--color-accent); }
.lang-switcher span { color: var(--color-border); }

.burger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none; border: none;
}
.burger span {
  display: block;
  width: 24px; height: 2px;
  background: var(--color-text);
  transition: all var(--dur) var(--ease);
  border-radius: 2px;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
  padding-top: 6rem;
}

.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: 
    radial-gradient(ellipse 60% 60% at 70% 50%, rgba(44,60,28,0.6) 0%, transparent 70%),
    radial-gradient(ellipse 40% 80% at 80% 30%, rgba(212,184,74,0.06) 0%, transparent 60%);
  pointer-events: none;
}

.hero-inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--sp-lg);
  width: 100%;
}

.hero-label {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: var(--sp-sm);
}
.hero-label::before {
  content: '';
  display: block;
  width: 32px; height: 1px;
  background: var(--color-accent);
}

.hero-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 5rem);
  line-height: 1.0;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  margin-bottom: var(--sp-md);
}

.hero-title em {
  font-style: normal;
  color: var(--color-accent);
}

.hero-desc {
  color: var(--color-text-muted);
  max-width: 46ch;
  margin-bottom: var(--sp-md);
  line-height: 1.75;
}

.hero-stats {
  display: flex;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-md);
  padding-top: var(--sp-md);
  border-top: 1px solid var(--color-border);
}

.stat-number {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--color-accent);
  line-height: 1;
  display: block;
}
.stat-label {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-muted);
}

.hero-actions { display: flex; gap: 1rem; flex-wrap: wrap; }

.hero-media {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
}

.hero-image-wrap {
  position: relative;
  width: 100%;
  max-width: 560px;
}

.hero-image-wrap img {
  width: 100%;
  border-radius: var(--radius-md);
  filter: drop-shadow(0 40px 80px rgba(0,0,0,0.7));
}

/* ============================================================
   SOLUTIONS / PRODUCTS
   ============================================================ */
.solutions {
  background: var(--color-bg-alt);
}

.solutions-header {
  margin-bottom: var(--sp-lg);
}

.product-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  align-items: center;
  gap: var(--sp-lg);
  padding: var(--sp-lg) 0;
  border-bottom: 1px solid var(--color-border);
}

.product-card:last-child { border-bottom: none; }

.product-card:nth-child(even) .product-content { order: 2; }
.product-card:nth-child(even) .product-image  { order: 1; }

.product-tag { margin-bottom: 1rem; }

.product-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 2.75rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  line-height: 1.1;
  margin-bottom: 1rem;
}

.product-desc {
  color: var(--color-text-muted);
  margin-bottom: 1.5rem;
  line-height: 1.7;
}

.product-meta {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin-bottom: 1.5rem;
  flex-wrap: wrap;
}

.product-metric {
  display: flex;
  flex-direction: column;
}
.product-metric .num {
  font-family: var(--font-display);
  font-size: 1.75rem;
  color: var(--color-accent);
  line-height: 1;
}
.product-metric .lbl {
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-text-dim);
}

.product-image {
  position: relative;
}
.product-image img {
  width: 100%;
  border-radius: var(--radius-md);
  transition: transform var(--dur) var(--ease);
}
.product-card:hover .product-image img {
  transform: scale(1.02);
}

/* ============================================================
   ABOUT / HISTORY
   ============================================================ */
.about { background: var(--color-bg); }

.about-header { margin-bottom: var(--sp-lg); }

.about-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-lg);
  align-items: start;
}

.about-desc {
  color: var(--color-text-muted);
  line-height: 1.75;
  margin-bottom: var(--sp-md);
}

.milestone-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.milestone-card {
  background: var(--color-surface);
  padding: var(--sp-md);
  position: relative;
  transition: background var(--dur) var(--ease);
}
.milestone-card:hover { background: var(--color-surface-alt); }

.milestone-year {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  text-transform: uppercase;
}

.milestone-value {
  font-family: var(--font-display);
  font-size: 2.25rem;
  color: var(--color-text);
  line-height: 1;
  margin-bottom: 0.5rem;
}

.milestone-text {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.5;
}

/* ============================================================
   CTA BANNER
   ============================================================ */
.cta-banner {
  background: var(--color-green-dark);
  border-radius: var(--radius-lg);
  margin-inline: var(--container-pad);
  padding: var(--sp-xl) var(--sp-lg);
  text-align: center;
  position: relative;
  overflow: hidden;
}

.cta-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse 60% 80% at 50% 50%, rgba(212,184,74,0.08) 0%, transparent 70%);
  pointer-events: none;
}

.cta-banner .section-label { display: block; margin-bottom: 1rem; }
.cta-title {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 4vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
  margin-bottom: var(--sp-md);
}

/* ============================================================
   TEAM
   ============================================================ */
.team { background: var(--color-bg-alt); }

.team-header { margin-bottom: var(--sp-lg); }

.team-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
}

.team-card { position: relative; overflow: hidden; border-radius: var(--radius-md); }

.team-photo {
  width: 100%;
  aspect-ratio: 3/4;
  object-fit: cover;
  display: block;
  filter: grayscale(20%);
  transition: transform var(--dur) var(--ease), filter var(--dur) var(--ease);
}
.team-card:hover .team-photo {
  transform: scale(1.04);
  filter: grayscale(0%);
}

.team-info {
  position: absolute;
  bottom: 0; left: 0; right: 0;
  padding: 1.5rem 1.25rem 1.25rem;
  background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
}

.team-name {
  font-family: var(--font-display);
  font-size: 1.25rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  display: block;
  margin-bottom: 0.25rem;
}

.team-role {
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-accent);
}

/* ============================================================
   PARTNERS / TRUSTED BY
   ============================================================ */
.partners { background: var(--color-bg); }

.partners-header { margin-bottom: var(--sp-lg); }

.partners-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1px;
  background: var(--color-border);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.partner-cell {
  background: var(--color-surface);
  padding: 2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: background var(--dur) var(--ease);
}
.partner-cell:hover { background: var(--color-surface-alt); }

.partner-cell img {
  max-height: 40px;
  width: auto;
  filter: brightness(0) invert(1);
  opacity: 0.45;
  transition: opacity var(--dur) var(--ease);
}
.partner-cell:hover img { opacity: 0.9; }

/* ============================================================
   PROCESS / HOW WE WORK
   ============================================================ */
.process { background: var(--color-bg-alt); }

.process-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-xl);
  align-items: start;
}

.process-steps { display: flex; flex-direction: column; gap: 0; }

.process-step {
  display: flex;
  gap: 1.5rem;
  padding: 1.5rem 0;
  border-bottom: 1px solid var(--color-border);
  position: relative;
  cursor: pointer;
  transition: all var(--dur) var(--ease);
}
.process-step:last-child { border-bottom: none; }

.step-num {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  min-width: 2ch;
  padding-top: 0.15rem;
}

.step-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  margin-bottom: 0.5rem;
  transition: color var(--dur) var(--ease);
}

.step-desc {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s var(--ease), opacity 0.3s var(--ease);
  opacity: 0;
}

.process-step.is-active .step-title { color: var(--color-accent); }
.process-step.is-active .step-desc { max-height: 200px; opacity: 1; }

.process-visual {
  position: sticky;
  top: 6rem;
  background: var(--color-surface);
  border-radius: var(--radius-md);
  aspect-ratio: 4/5;
  overflow: hidden;
  border: 1px solid var(--color-border);
}

.process-visual img {
  width: 100%; height: 100%;
  object-fit: cover;
  opacity: 0.7;
}

/* ============================================================
   CONTACT / CTA FOOTER SECTION
   ============================================================ */
.contact-section {
  background: var(--color-bg);
  border-top: 1px solid var(--color-border);
}

.contact-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-md);
  flex-wrap: wrap;
}

.contact-title {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 3.5vw, 2.5rem);
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.contact-sub {
  color: var(--color-text-muted);
  margin-top: 0.5rem;
  font-size: 0.875rem;
}

.contact-actions { display: flex; align-items: center; gap: 1rem; }
.contact-email {
  font-size: 0.875rem;
  color: var(--color-text-muted);
  transition: color var(--dur) var(--ease);
}
.contact-email:hover { color: var(--color-accent); }

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--color-surface);
  border-top: 1px solid var(--color-border);
  padding-block: var(--sp-lg);
}

.footer-inner {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: var(--sp-lg);
  margin-bottom: var(--sp-lg);
}

.footer-brand .logo-text {
  font-family: var(--font-display);
  font-size: 1.6rem;
  letter-spacing: 0.08em;
  color: var(--color-accent);
  display: block;
  margin-bottom: 1rem;
}

.footer-brand p {
  font-size: 0.8rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  max-width: 28ch;
}

.footer-col-title {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--color-text-dim);
  margin-bottom: 1.25rem;
}

.footer-col ul { display: flex; flex-direction: column; gap: 0.75rem; }
.footer-col a {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  transition: color var(--dur) var(--ease);
}
.footer-col a:hover { color: var(--color-text); }

.footer-bottom {
  border-top: 1px solid var(--color-border);
  padding-top: var(--sp-md);
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
}

.footer-copy {
  font-size: 0.75rem;
  color: var(--color-text-dim);
}

/* ============================================================
   MOBILE MENU
   ============================================================ */
.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(13,13,13,0.97);
  z-index: 999;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 2rem;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease);
  backdrop-filter: blur(20px);
}

.mobile-menu.is-open { opacity: 1; pointer-events: all; }

.mobile-menu a {
  font-family: var(--font-display);
  font-size: clamp(2rem, 8vw, 3rem);
  text-transform: uppercase;
  letter-spacing: 0.05em;
  color: var(--color-text-muted);
  transition: color var(--dur) var(--ease);
}
.mobile-menu a:hover { color: var(--color-accent); }

/* ============================================================
   SCROLL ANIMATIONS
   ============================================================ */
[data-animate] {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.6s var(--ease), transform 0.6s var(--ease);
}

[data-animate].is-visible {
  opacity: 1;
  transform: none;
}

[data-animate][data-delay="1"] { transition-delay: 0.1s; }
[data-animate][data-delay="2"] { transition-delay: 0.2s; }
[data-animate][data-delay="3"] { transition-delay: 0.3s; }
[data-animate][data-delay="4"] { transition-delay: 0.4s; }
[data-animate][data-delay="5"] { transition-delay: 0.5s; }

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 1024px) {
  .team-grid       { grid-template-columns: repeat(2,1fr); }
  .partners-grid   { grid-template-columns: repeat(3,1fr); }
  .footer-inner    { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
  .header-nav      { display: none; }
  .burger          { display: flex; }

  .hero-inner,
  .product-card,
  .about-inner,
  .process-inner   { grid-template-columns: 1fr; }

  .product-card:nth-child(even) .product-content,
  .product-card:nth-child(even) .product-image { order: unset; }

  .hero-stats      { gap: var(--sp-md); }
  .grid-3,
  .grid-4          { grid-template-columns: 1fr; }
  .team-grid       { grid-template-columns: repeat(2,1fr); }
  .partners-grid   { grid-template-columns: repeat(2,1fr); }
  .footer-inner    { grid-template-columns: 1fr; }
  .contact-inner   { flex-direction: column; align-items: flex-start; }
  .milestone-grid  { grid-template-columns: 1fr; }
  .process-visual  { display: none; }
  .cta-banner      { margin-inline: 1rem; }
}

@media (max-width: 480px) {
  .hero-actions    { flex-direction: column; }
  .team-grid       { grid-template-columns: 1fr; }
}