/* Global Styles for Sinehsorkh */
:root {
  --color-bg: #ffffff;
  --color-surface: #fafafa;
  --color-border: #e3e3e3;
  --color-text: #1f1f1f;
  --color-text-light: #5a5a5a;
  --color-accent: #c0392b;
  --color-accent-alt: #e74c3c;
  --color-accent-rgb: 192 57 43;
  --gradient-accent: linear-gradient(135deg, #e74c3c, #c0392b);
  --font-sans: "Inter", "Segoe UI", Arial, sans-serif;
  --font-mono: "JetBrains Mono", "Consolas", monospace;
  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-full: 999px;
  --shadow-sm: 0 1px 2px rgba(0 0 0 / 0.06);
  --shadow-md: 0 4px 12px rgba(0 0 0 / 0.12);
  --max-content-width: 880px;
  --transition: 160ms cubic-bezier(.4,0,.2,1);
}

* { box-sizing: border-box; }
html { -webkit-font-smoothing: antialiased; scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  background: radial-gradient(circle at 50% 20%, #fff, #e5e5e5 70%);
  color: var(--color-text);
  line-height: 1.5;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

body::after { /* subtle noise overlay (fallback simple gradient) */
  content: "";
  position: fixed; inset: 0; pointer-events: none;
  background: repeating-linear-gradient(45deg, rgba(0 0 0 / 0.02) 0 2px, transparent 2px 4px);
  mix-blend-mode: multiply; opacity: .25;
}

img { max-width: 100%; height: auto; }

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

/* Layout */
.container { width: 100%; max-width: var(--max-content-width); margin: 0 auto; padding: clamp(1.2rem, 4vw, 3rem) clamp(1rem, 3vw, 2.2rem); }
.flex { display: flex; gap: 1.25rem; }
.flex.center { justify-content: center; align-items: center; }
.stack { display: flex; flex-direction: column; gap: 1.2rem; }
.grid { display: grid; gap: 1.5rem; }

header.site-header { position: sticky; top: 0; backdrop-filter: blur(10px); background: rgba(255 255 255 / 0.75); border-bottom: 1px solid var(--color-border); z-index: 10; }
.header-inner { display: flex; align-items: center; justify-content: space-between; gap: 2rem; }

.brand { display: flex; align-items: center; gap: .75rem; text-decoration: none; color: inherit; font-weight: 600; letter-spacing: .5px; }
.brand-mark { width: 46px; height: 46px; border-radius: 50%; background: var(--gradient-accent); display: grid; place-items: center; color: #fff; font-weight: 700; font-size: 1.1rem; box-shadow: var(--shadow-sm); position: relative; overflow: hidden; }
.brand-mark::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 35% 30%, rgba(255 255 255 / .45), transparent 60%); }

nav.primary-nav ul { list-style: none; padding: 0; margin: 0; display: flex; gap: 1.2rem; }
nav.primary-nav a { text-decoration: none; font-size: .95rem; font-weight: 500; color: var(--color-text-light); padding: .55rem .9rem; border-radius: var(--radius-full); position: relative; transition: var(--transition); }
nav.primary-nav a:hover, nav.primary-nav a:focus-visible { background: rgba(var(--color-accent-rgb) / .08); color: var(--color-accent); outline: none; }
nav.primary-nav a.active { background: rgba(var(--color-accent-rgb) / .15); color: var(--color-accent); }

/* Hero */
.hero { padding: clamp(3rem, 12vh, 9rem) 0 3rem; text-align: center; position: relative; }
.hero .orbital { width: 140px; height: 140px; margin: 0 auto 2rem; position: relative; }
.hero .orbital .core { width: 100%; height: 100%; border-radius: 50%; background: var(--gradient-accent); animation: spin 12s linear infinite; box-shadow: 0 10px 30px -8px rgba(var(--color-accent-rgb) / .6); position: relative; overflow: hidden; }
.hero .orbital .core::after { content:""; position:absolute; inset:0; background: radial-gradient(circle at 35% 30%, rgba(255 255 255 / .5), transparent 55%); }
.hero h1 { font-size: clamp(2.5rem, 6vw, 4rem); line-height: 1.05; letter-spacing: -.5px; margin: 0 0 .75rem; }
.hero p.lead { font-size: clamp(1.05rem, 1.6vw, 1.35rem); max-width: 640px; margin: 0 auto 1.8rem; color: var(--color-text-light); }

.actions { display: flex; justify-content: center; gap: .9rem; flex-wrap: wrap; }
.button { --btn-bg: var(--color-accent); --btn-bg-hover: var(--color-accent-alt); --btn-color: #fff; display: inline-flex; align-items: center; gap: .55rem; padding: .85rem 1.25rem; font-size: .95rem; font-weight: 600; border-radius: var(--radius-full); text-decoration: none; line-height: 1.1; letter-spacing: .3px; background: var(--btn-bg); color: var(--btn-color); box-shadow: var(--shadow-sm); position: relative; overflow: hidden; transition: var(--transition); }
.button:hover, .button:focus-visible { background: var(--btn-bg-hover); transform: translateY(-2px); box-shadow: 0 6px 16px -6px rgba(var(--color-accent-rgb) / .55); outline: none; }
.button.secondary { --btn-bg: #ececec; --btn-bg-hover: #dedede; --btn-color: #222; }
.button.ghost { --btn-bg: rgba(var(--color-accent-rgb) / .1); --btn-bg-hover: rgba(var(--color-accent-rgb) / .2); --btn-color: var(--color-accent); }

/* Sections */
.section { padding: 3.5rem 0; }
.section.alt { background: var(--color-surface); border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
.section h2 { font-size: clamp(1.9rem, 4vw, 2.5rem); margin: 0 0 .8rem; letter-spacing: -.5px; }
.section p.section-lead { font-size: 1.1rem; max-width: 640px; color: var(--color-text-light); }

.columns { display: grid; gap: 2.2rem; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); margin-top: 2rem; }
.card { background: #fff; border: 1px solid var(--color-border); padding: 1.3rem 1.2rem 1.4rem; border-radius: var(--radius-md); position: relative; overflow: hidden; display: flex; flex-direction: column; gap: .6rem; transition: var(--transition); }
.card::before { content:""; position:absolute; inset:0; background: linear-gradient(120deg, rgba(var(--color-accent-rgb) / .085), transparent 70%); opacity: 0; transition: var(--transition); }
.card:hover, .card:focus-within { border-color: rgba(var(--color-accent-rgb) / .4); box-shadow: var(--shadow-md); }
.card:hover::before, .card:focus-within::before { opacity: 1; }
.card h3 { margin: 0; font-size: 1.05rem; letter-spacing: .2px; }
.card p { margin: 0; font-size: .9rem; color: var(--color-text-light); line-height: 1.4; }

/* Footer */
footer.site-footer { margin-top: auto; padding: 2.5rem 0 3rem; font-size: .85rem; color: var(--color-text-light); text-align: center; border-top: 1px solid var(--color-border); background: linear-gradient(to bottom, rgba(var(--color-accent-rgb) / .05), transparent); }
footer .social { display: flex; justify-content: center; gap: .9rem; margin-bottom: 1rem; }
footer .social a { width: 36px; height: 36px; display: grid; place-items: center; border-radius: var(--radius-full); background: #fff; border:1px solid var(--color-border); color: var(--color-text-light); text-decoration: none; font-size: .95rem; transition: var(--transition); }
footer .social a:hover { color: var(--color-accent); border-color: var(--color-accent); box-shadow: var(--shadow-sm); }

/* Animation */
@keyframes spin { to { transform: rotate(1turn); } }

/* Media Queries */
@media (max-width: 680px) {
  nav.primary-nav ul { gap: .4rem; }
  nav.primary-nav a { padding: .55rem .7rem; }
  .hero { padding-top: 4.5rem; }
  header.site-header { background: rgba(255 255 255 / .9); }
}

@media (prefers-reduced-motion: reduce) {
  * { animation: none !important; transition: none !important; }
}