:root {
  --color-primary: #0A1F3D;
  --color-accent: #FF6B35;
  --color-secondary: #8C9EAB;
  --color-bg-dark: #0B0E14;
  --color-surface: #1A2332;
  --color-text-primary: #FFFFFF;
  --color-text-secondary: #B0B8C4;
  --color-success: #2ECC71;
  --color-border: rgba(140, 158, 171, 0.3);
  --font-heading: Georgia, "Times New Roman", serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4), 0 2px 8px rgba(0,0,0,0.2);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5), 0 4px 16px rgba(0,0,0,0.3);
  --border-thick: 4px;
  --border-med: 2px;
  --max-width: 1200px;
  --gap: 24px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body { font-family: var(--font-body); background: var(--color-bg-dark); color: var(--color-text-primary); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
ul, ol { list-style: none; }
img { max-width: 100%; height: auto; display: block; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 4px; }
::selection { background: var(--color-accent); color: var(--color-bg-dark); }

.sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

.container { max-width: var(--max-width); margin: 0 auto; padding: 0 var(--gap); }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: var(--gap); }
.grid__col--1 { grid-column: span 1; }
.grid__col--2 { grid-column: span 2; }
.grid__col--3 { grid-column: span 3; }
.grid__col--4 { grid-column: span 4; }
.grid__col--5 { grid-column: span 5; }
.grid__col--6 { grid-column: span 6; }
.grid__col--7 { grid-column: span 7; }
.grid__col--8 { grid-column: span 8; }
.grid__col--9 { grid-column: span 9; }
.grid__col--10 { grid-column: span 10; }
.grid__col--11 { grid-column: span 11; }
.grid__col--12 { grid-column: span 12; }

.section { padding: 80px 0; }

.btn { display: inline-block; padding: 16px 40px; font-family: var(--font-body); font-size: 1rem; font-weight: 700; text-transform: uppercase; letter-spacing: 0.08em; border: var(--border-med) solid var(--color-accent); cursor: pointer; transition: all 0.2s ease; background: transparent; color: var(--color-text-primary); position: relative; overflow: hidden; }
.btn::before { content: ""; position: absolute; inset: 0; background: var(--color-accent); transform: translateX(-100%); transition: transform 0.25s ease; z-index: 0; }
.btn:hover::before { transform: translateX(0); }
.btn:hover { color: var(--color-bg-dark); border-color: var(--color-accent); }
.btn > * { position: relative; z-index: 1; }
.btn--primary { background: var(--color-accent); color: var(--color-bg-dark); border-color: var(--color-accent); }
.btn--primary:hover { background: transparent; color: var(--color-accent); }
.btn--primary::before { display: none; }
.btn--accent { border-color: var(--color-text-primary); }
.btn--accent:hover::before { background: var(--color-text-primary); }
.btn--accent:hover { color: var(--color-bg-dark); border-color: var(--color-text-primary); }

.card { background: var(--color-surface); border: var(--border-med) solid var(--color-border); padding: 32px; box-shadow: var(--shadow-md); transition: all 0.25s ease; }
.card:hover { border-color: var(--color-accent); box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.card__title { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; margin-bottom: 16px; color: var(--color-text-primary); }
.card__body { font-size: 1rem; color: var(--color-text-secondary); line-height: 1.7; }

.divider { width: 100%; height: var(--border-med); background: var(--color-border); border: none; margin: 40px 0; }
.divider--skew { height: 8px; background: var(--color-accent); clip-path: polygon(0 0, 100% 0, calc(100% - 60px) 100%, 60px 100%); margin: 0; border: none; }

.badge { display: inline-flex; align-items: center; justify-content: center; padding: 4px 16px; background: var(--color-accent); color: var(--color-bg-dark); font-family: var(--font-heading); font-weight: 700; font-size: 0.875rem; min-width: 40px; }

/* ===== HEADER ===== */
.site-header { position: relative; background: var(--color-bg-dark); border-top: var(--border-thick) solid var(--color-accent); box-shadow: 0 4px 0 rgba(255,107,53,0.15); z-index: 100; }
.site-header__skip { position: absolute; top: -100%; left: 16px; padding: 12px 24px; background: var(--color-accent); color: var(--color-bg-dark); font-weight: 700; z-index: 200; transition: top 0.2s ease; }
.site-header__skip:focus { top: 8px; }
.site-header__progress { position: absolute; top: 0; left: 0; height: 4px; background: var(--color-accent); width: 0%; z-index: 150; transition: width 0.1s linear; }
.site-header__inner { display: flex; align-items: center; justify-content: space-between; padding-top: 20px; padding-bottom: 20px; gap: 24px; }
.site-header__brand { flex-shrink: 0; }
.site-header__logo { font-family: var(--font-heading); font-size: 1.75rem; font-weight: 700; color: var(--color-text-primary); letter-spacing: 0.02em; text-shadow: 0 0 20px rgba(255,107,53,0.15); transition: text-shadow 0.3s ease; display: flex; align-items: center; gap: 8px; }
.site-header__logo:hover { text-shadow: 0 0 40px rgba(255,107,53,0.3); }
.site-header__logo::before { content: ""; display: inline-block; width: 8px; height: 8px; background: var(--color-accent); transform: rotate(45deg); flex-shrink: 0; }
.site-header__nav { display: flex; align-items: center; }
.site-header__nav-list { display: flex; gap: 4px; }
.site-header__nav-link { display: inline-block; padding: 10px 20px; font-family: var(--font-body); font-size: 0.9rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-secondary); border: var(--border-med) solid transparent; transition: all 0.2s ease; position: relative; }
.site-header__nav-link::after { content: ""; position: absolute; bottom: 0; left: 20px; right: 20px; height: 2px; background: var(--color-accent); transform: scaleX(0); transition: transform 0.2s ease; }
.site-header__nav-link:hover { color: var(--color-text-primary); border-color: var(--color-accent); background: rgba(255,107,53,0.06); }
.site-header__nav-link:hover::after { transform: scaleX(1); }
.site-header__nav-link[aria-current="page"] { color: var(--color-accent); border-color: var(--color-accent); background: rgba(255,107,53,0.08); }
.site-header__nav-link[aria-current="page"]::after { transform: scaleX(1); background: var(--color-accent); }
.site-header__toggle { display: none; flex-direction: column; justify-content: center; align-items: center; width: 48px; height: 48px; background: transparent; border: var(--border-med) solid var(--color-border); cursor: pointer; padding: 10px; gap: 5px; transition: border-color 0.2s ease; }
.site-header__toggle:hover { border-color: var(--color-accent); }
.site-header__toggle-bar { display: block; width: 24px; height: 2px; background: var(--color-text-primary); transition: all 0.25s ease; }
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(2) { opacity: 0; }
.site-header__toggle[aria-expanded="true"] .site-header__toggle-bar:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* ===== FOOTER ===== */
.site-footer { background: var(--color-bg-dark); border-top: var(--border-med) solid rgba(255,107,53,0.2); position: relative; padding: 60px 0 32px; }
.site-footer::before { content: ""; position: absolute; top: -8px; left: 0; right: 0; height: 8px; background: var(--color-accent); clip-path: polygon(0 0, 100% 0, calc(100% - 80px) 100%, 80px 100%); opacity: 0.6; }
.site-footer__inner { display: grid; grid-template-columns: 2fr 1fr 1.5fr; gap: 48px var(--gap); }
.site-footer__brand { display: flex; flex-direction: column; gap: 16px; }
.site-footer__logo { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: var(--color-text-primary); display: flex; align-items: center; gap: 8px; }
.site-footer__logo::before { content: ""; display: inline-block; width: 6px; height: 6px; background: var(--color-accent); transform: rotate(45deg); flex-shrink: 0; }
.site-footer__tagline { font-size: 0.9rem; color: var(--color-text-secondary); line-height: 1.7; max-width: 360px; }
.site-footer__nav-title, .site-footer__contact-title { font-family: var(--font-heading); font-size: 1.1rem; font-weight: 700; color: var(--color-text-primary); margin-bottom: 20px; letter-spacing: 0.04em; border-bottom: 2px solid var(--color-accent); padding-bottom: 8px; display: inline-block; }
.site-footer__nav-list { display: flex; flex-direction: column; gap: 12px; }
.site-footer__nav-link { font-size: 0.95rem; color: var(--color-text-secondary); transition: color 0.2s ease, padding 0.2s ease; padding: 4px 0; display: inline-block; position: relative; }
.site-footer__nav-link::after { content: ""; position: absolute; bottom: 0; left: 0; width: 0; height: 2px; background: var(--color-accent); transition: width 0.2s ease; }
.site-footer__nav-link:hover { color: var(--color-accent); padding-left: 8px; }
.site-footer__nav-link:hover::after { width: 100%; }
.site-footer__contact-item { font-size: 0.9rem; color: var(--color-text-secondary); margin-bottom: 8px; line-height: 1.5; }
.site-footer__contact-note { font-size: 0.85rem; color: var(--color-text-secondary); margin-top: 12px; padding-top: 12px; border-top: 1px solid var(--color-border); line-height: 1.6; }
.site-footer__bottom { grid-column: 1 / -1; display: flex; justify-content: space-between; align-items: center; padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--color-border); flex-wrap: wrap; gap: 12px; }
.site-footer__copyright { font-size: 0.85rem; color: var(--color-text-secondary); }
.site-footer__icp { font-size: 0.85rem; color: var(--color-text-secondary); }

/* ===== RESPONSIVE ===== */
@media (max-width: 1024px) {
  .site-footer__inner { grid-template-columns: 1fr 1fr; }
  .site-footer__brand { grid-column: 1 / -1; }
}

@media (max-width: 768px) {
  .site-header__toggle { display: flex; }
  .site-header__nav { position: absolute; top: 100%; left: 0; right: 0; background: var(--color-bg-dark); border-bottom: var(--border-thick) solid var(--color-accent); padding: 0; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.35s ease; box-shadow: var(--shadow-lg); }
  .site-header__nav[data-open] { max-height: 600px; padding: 16px 0; }
  .site-header__nav-list { flex-direction: column; gap: 0; padding: 0 var(--gap); }
  .site-header__nav-link { display: block; padding: 16px 20px; border: none; border-bottom: 1px solid var(--color-border); font-size: 1rem; }
  .site-header__nav-link::after { display: none; }
  .site-header__nav-link[aria-current="page"] { border-left: 4px solid var(--color-accent); background: rgba(255,107,53,0.06); padding-left: 16px; }
  .site-header__nav-link:hover { border-left: 4px solid var(--color-accent); padding-left: 16px; background: rgba(255,107,53,0.04); border-bottom: 1px solid var(--color-border); }
  .site-footer__inner { grid-template-columns: 1fr; gap: 32px; }
  .site-footer__brand { grid-column: 1; }
  .site-footer__bottom { flex-direction: column; text-align: center; }
  .section { padding: 48px 0; }
  .grid { grid-template-columns: 1fr; }
  .grid__col--1, .grid__col--2, .grid__col--3, .grid__col--4, .grid__col--5, .grid__col--6, .grid__col--7, .grid__col--8, .grid__col--9, .grid__col--10, .grid__col--11, .grid__col--12 { grid-column: span 1; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition-duration: 0.01ms !important; animation-duration: 0.01ms !important; }
  html { scroll-behavior: auto; }
  .site-header__progress { transition: none; }
  .card:hover { transform: none; }
  .site-footer__nav-link:hover { padding-left: 0; }
}

/* ===== SCROLL REVEAL (base) ===== */
[data-reveal] { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
[data-reveal].is-visible { opacity: 1; transform: translateY(0); }
@media (prefers-reduced-motion: reduce) { [data-reveal] { opacity: 1; transform: none; } }

/* ===== IMAGE CONTAINER (responsive base) ===== */
.img-container { position: relative; overflow: hidden; background: var(--color-surface); width: 100%; }
.img-container::before { content: ""; display: block; padding-bottom: 56.25%; }
.img-container > img, .img-container > .img-placeholder { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.img-container--square::before { padding-bottom: 100%; }
.img-container--portrait::before { padding-bottom: 125%; }
.img-container--wide::before { padding-bottom: 40%; }
.img-placeholder { display: flex; align-items: center; justify-content: center; background: var(--color-surface); color: var(--color-text-secondary); font-family: var(--font-heading); font-size: 1.2rem; border: var(--border-med) dashed var(--color-border); }