/* =============================================================================
   Scalient – Main Stylesheet
   Design System: colors, typography, layout utilities, components
   ============================================================================= */

/* ── 1. CSS Custom Properties ──────────────────────────────────────────────── */
:root {
  /* Colors */
  --clr-bg:           #0a0a0f;
  --clr-bg-secondary: #0f0f1a;
  --clr-bg-card:      #12121f;
  --clr-bg-card-alt:  #1a1a2e;
  --clr-border:       rgba(255,255,255,0.08);
  --clr-border-light: rgba(255,255,255,0.15);

  --clr-white:        #ffffff;
  --clr-off-white:    #f0f0f5;
  --clr-text:         #c8c8d8;
  --clr-text-muted:   #7a7a9a;
  --clr-text-subtle:  rgba(255,255,255,0.35);

  --clr-primary:      #6c63ff;
  --clr-primary-dark: #5a52d5;
  --clr-primary-glow: rgba(108,99,255,0.25);
  --clr-accent:       #00d4aa;
  --clr-accent-dark:  #00b890;

  --clr-gradient-hero: linear-gradient(135deg, #0a0a0f 0%, #0f0f2a 50%, #0a0a1a 100%);
  --clr-gradient-card: linear-gradient(145deg, #12121f, #1a1a2e);
  --clr-gradient-cta:  linear-gradient(135deg, #6c63ff 0%, #00d4aa 100%);

  /* Typography */
  --font-sans:    'Inter', system-ui, -apple-system, sans-serif;
  --font-display: 'Syne', var(--font-sans);

  --text-xs:   clamp(0.7rem,  1.5vw, 0.75rem);
  --text-sm:   clamp(0.8rem,  1.8vw, 0.875rem);
  --text-base: clamp(0.9rem,  2vw,   1rem);
  --text-md:   clamp(1rem,    2.2vw, 1.125rem);
  --text-lg:   clamp(1.1rem,  2.5vw, 1.25rem);
  --text-xl:   clamp(1.25rem, 3vw,   1.5rem);
  --text-2xl:  clamp(1.5rem,  3.5vw, 2rem);
  --text-3xl:  clamp(1.75rem, 4vw,   2.5rem);
  --text-4xl:  clamp(2rem,    5vw,   3rem);
  --text-5xl:  clamp(2.5rem,  6vw,   4rem);
  --text-6xl:  clamp(3rem,    7vw,   5rem);
  --text-hero: clamp(3rem,    8vw,   6rem);

  --fw-light:    300;
  --fw-regular:  400;
  --fw-medium:   500;
  --fw-semibold: 600;
  --fw-bold:     700;
  --fw-extrabold:800;

  --lh-tight:  1.15;
  --lh-snug:   1.3;
  --lh-normal: 1.5;
  --lh-relaxed:1.7;

  /* Spacing */
  --sp-1:  0.25rem;
  --sp-2:  0.5rem;
  --sp-3:  0.75rem;
  --sp-4:  1rem;
  --sp-5:  1.25rem;
  --sp-6:  1.5rem;
  --sp-8:  2rem;
  --sp-10: 2.5rem;
  --sp-12: 3rem;
  --sp-16: 4rem;
  --sp-20: 5rem;
  --sp-24: 6rem;
  --sp-32: 8rem;
  --sp-section: clamp(4rem, 10vw, 8rem);

  /* Radii */
  --r-sm:  0.375rem;
  --r-md:  0.75rem;
  --r-lg:  1rem;
  --r-xl:  1.5rem;
  --r-2xl: 2rem;
  --r-full:9999px;

  /* Shadows */
  --shadow-sm:   0 1px 3px rgba(0,0,0,0.4), 0 1px 2px rgba(0,0,0,0.3);
  --shadow-md:   0 4px 12px rgba(0,0,0,0.5);
  --shadow-lg:   0 10px 40px rgba(0,0,0,0.6);
  --shadow-glow: 0 0 30px var(--clr-primary-glow);
  --shadow-card: 0 8px 32px rgba(0,0,0,0.4);

  /* Transitions */
  --ease-out:   cubic-bezier(0.22, 1, 0.36, 1);
  --ease-in-out:cubic-bezier(0.45, 0, 0.55, 1);
  --dur-fast:   0.15s;
  --dur-base:   0.3s;
  --dur-slow:   0.6s;

  /* Layout */
  --container-max:  1280px;
  --container-wide: 1440px;
  --container-pad:  clamp(1rem, 5vw, 5rem);
  --header-h:       80px;
}

/* ── 2. Reset & Base ──────────────────────────────────────────────────────── */
*,
*::before,
*::after { box-sizing: border-box; margin: 0; padding: 0; }

html {
  font-size: 16px;
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-sans);
  font-size: var(--text-base);
  font-weight: var(--fw-regular);
  line-height: var(--lh-relaxed);
  color: var(--clr-text);
  background-color: var(--clr-bg);
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

img, video, svg {
  display: block;
  max-width: 100%;
}

img { height: auto; }

a {
  color: inherit;
  text-decoration: none;
  transition: color var(--dur-fast) var(--ease-out);
}

ul, ol { list-style: none; }

button, input, textarea, select {
  font: inherit;
  border: 0;
  background: transparent;
}

button { cursor: pointer; }

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-display);
  font-weight: var(--fw-bold);
  line-height: var(--lh-tight);
  color: var(--clr-white);
  letter-spacing: -0.02em;
}

h1 { font-size: var(--text-hero); }
h2 { font-size: var(--text-5xl); }
h3 { font-size: var(--text-3xl); }
h4 { font-size: var(--text-2xl); }
h5 { font-size: var(--text-xl); }
h6 { font-size: var(--text-lg); }

p { margin-bottom: 1em; }
p:last-child { margin-bottom: 0; }

strong { font-weight: var(--fw-semibold); color: var(--clr-white); }

:focus-visible {
  outline: 2px solid var(--clr-primary);
  outline-offset: 3px;
}

::selection {
  background-color: var(--clr-primary);
  color: var(--clr-white);
}

/* ── 3. Layout Utilities ──────────────────────────────────────────────────── */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin-inline: auto;
  padding-inline: var(--container-pad);
}

.container--wide {
  max-width: var(--container-wide);
}

.section {
  padding-block: var(--sp-section);
}

.section--dark   { background-color: var(--clr-bg); }
.section--darker { background-color: var(--clr-bg-secondary); }
.section--card   { background-color: var(--clr-bg-card); }

/* Grid helpers */
.grid-2  { display: grid; grid-template-columns: repeat(2, 1fr); gap: var(--sp-8); }
.grid-3  { display: grid; grid-template-columns: repeat(3, 1fr); gap: var(--sp-8); }
.grid-4  { display: grid; grid-template-columns: repeat(4, 1fr); gap: var(--sp-6); }

/* Flex helpers */
.flex       { display: flex; }
.flex-center{ display: flex; align-items: center; justify-content: center; }
.flex-between{ display: flex; align-items: center; justify-content: space-between; }
.flex-col   { display: flex; flex-direction: column; }
.gap-4  { gap: var(--sp-4); }
.gap-6  { gap: var(--sp-6); }
.gap-8  { gap: var(--sp-8); }

/* ── 4. Section Label / Eyebrow ───────────────────────────────────────────── */
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-primary);
  margin-bottom: var(--sp-4);
}

.section-eyebrow::before {
  content: '';
  display: block;
  width: 20px;
  height: 2px;
  background: var(--clr-primary);
  border-radius: var(--r-full);
}

.section-title {
  font-size: var(--text-4xl);
  font-weight: var(--fw-extrabold);
  color: var(--clr-white);
  line-height: var(--lh-snug);
  margin-bottom: var(--sp-6);
}

.section-title .highlight {
  background: var(--clr-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-subtitle {
  font-size: var(--text-md);
  color: var(--clr-text);
  max-width: 60ch;
  line-height: var(--lh-relaxed);
  margin-bottom: var(--sp-10);
}

.section-header {
  text-align: center;
  margin-bottom: var(--sp-16);
}

.section-header .section-subtitle {
  margin-inline: auto;
}

/* ── 5. Buttons ───────────────────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-3);
  font-family: var(--font-sans);
  font-size: var(--text-sm);
  font-weight: var(--fw-semibold);
  line-height: 1;
  letter-spacing: 0.02em;
  padding: 0.875rem 1.75rem;
  border-radius: var(--r-full);
  border: 1.5px solid transparent;
  cursor: pointer;
  text-decoration: none;
  white-space: nowrap;
  transition:
    background var(--dur-base) var(--ease-out),
    color var(--dur-base) var(--ease-out),
    border-color var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out),
    transform var(--dur-fast) var(--ease-out);
  position: relative;
  overflow: hidden;
}

.btn::after {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0);
  transition: background var(--dur-fast) var(--ease-out);
}

.btn:hover::after { background: rgba(255,255,255,0.06); }
.btn:active { transform: scale(0.97); }

/* Primary */
.btn--primary {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 0 var(--clr-primary-glow);
}

.btn--primary:hover {
  background: var(--clr-primary-dark);
  border-color: var(--clr-primary-dark);
  box-shadow: 0 0 20px var(--clr-primary-glow);
}

/* Outline */
.btn--outline {
  background: transparent;
  color: var(--clr-white);
  border-color: var(--clr-border-light);
}

.btn--outline:hover {
  background: rgba(255,255,255,0.06);
  border-color: var(--clr-white);
}

/* Ghost (text-only) */
.btn--ghost {
  background: transparent;
  color: var(--clr-primary);
  padding-inline: 0;
  border: none;
}

.btn--ghost:hover {
  color: var(--clr-accent);
}

/* Gradient */
.btn--gradient {
  background: var(--clr-gradient-cta);
  color: var(--clr-white);
  border-color: transparent;
}

/* Arrow icon inside button */
.btn-arrow {
  display: flex;
  transition: transform var(--dur-base) var(--ease-out);
}

.btn:hover .btn-arrow { transform: translateX(4px); }

/* Large */
.btn--lg {
  font-size: var(--text-base);
  padding: 1rem 2rem;
}

/* ── 6. Cards ─────────────────────────────────────────────────────────────── */
.card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-xl);
  overflow: hidden;
  transition:
    border-color var(--dur-base) var(--ease-out),
    transform var(--dur-base) var(--ease-out),
    box-shadow var(--dur-base) var(--ease-out);
}

.card:hover {
  border-color: var(--clr-border-light);
  transform: translateY(-4px);
  box-shadow: var(--shadow-card);
}

.card__body    { padding: var(--sp-8); }
.card__img     { width: 100%; aspect-ratio: 4/3; object-fit: cover; }
.card__eyebrow { margin-bottom: var(--sp-3); }
.card__title   { font-size: var(--text-xl); margin-bottom: var(--sp-3); }
.card__text    { color: var(--clr-text); font-size: var(--text-sm); line-height: var(--lh-relaxed); }

/* ── 7. Badges / Tags ─────────────────────────────────────────────────────── */
.badge {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0.3rem 0.8rem;
  border-radius: var(--r-full);
  font-size: var(--text-xs);
  font-weight: var(--fw-semibold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.badge--primary {
  background: rgba(108,99,255,0.15);
  color: var(--clr-primary);
  border: 1px solid rgba(108,99,255,0.3);
}

.badge--accent {
  background: rgba(0,212,170,0.12);
  color: var(--clr-accent);
  border: 1px solid rgba(0,212,170,0.25);
}

.badge--new {
  background: var(--clr-gradient-cta);
  color: var(--clr-white);
  border: none;
}

/* ── 8. Icon boxes ─────────────────────────────────────────────────────────── */
.icon-box {
  width: 56px;
  height: 56px;
  border-radius: var(--r-lg);
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(108,99,255,0.12);
  border: 1px solid rgba(108,99,255,0.2);
  color: var(--clr-primary);
  flex-shrink: 0;
}

.icon-box--accent {
  background: rgba(0,212,170,0.12);
  border-color: rgba(0,212,170,0.2);
  color: var(--clr-accent);
}

.icon-box--lg {
  width: 72px;
  height: 72px;
  border-radius: var(--r-xl);
}

/* ── 9. Forms ─────────────────────────────────────────────────────────────── */
.form-group { display: flex; flex-direction: column; gap: var(--sp-2); }

.form-label {
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-off-white);
}

.form-input,
.form-textarea,
.form-select {
  width: 100%;
  padding: 0.8rem 1.2rem;
  background: rgba(255,255,255,0.05);
  border: 1px solid var(--clr-border);
  border-radius: var(--r-md);
  color: var(--clr-white);
  font-size: var(--text-sm);
  transition: border-color var(--dur-base) var(--ease-out), box-shadow var(--dur-base) var(--ease-out);
}

.form-input::placeholder,
.form-textarea::placeholder { color: var(--clr-text-muted); }

.form-input:focus,
.form-textarea:focus {
  outline: none;
  border-color: var(--clr-primary);
  box-shadow: 0 0 0 3px var(--clr-primary-glow);
}

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

/* Newsletter inline form */
.newsletter-form {
  display: flex;
  gap: var(--sp-3);
  max-width: 480px;
}

.newsletter-form .form-input {
  flex: 1;
  border-radius: var(--r-full);
  padding-inline: 1.5rem;
}

/* ── 10. Divider ──────────────────────────────────────────────────────────── */
.divider {
  border: none;
  border-top: 1px solid var(--clr-border);
  margin-block: var(--sp-8);
}

/* ── 11. Skeleton loader ──────────────────────────────────────────────────── */
.skeleton {
  background: linear-gradient(90deg, var(--clr-bg-card) 25%, rgba(255,255,255,0.04) 50%, var(--clr-bg-card) 75%);
  background-size: 200% 100%;
  animation: skeleton-pulse 1.5s infinite;
  border-radius: var(--r-md);
}

@keyframes skeleton-pulse {
  0%   { background-position: 200% 0; }
  100% { background-position: -200% 0; }
}

/* ── 12. Pagination ───────────────────────────────────────────────────────── */
.nav-links {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  justify-content: center;
  margin-top: var(--sp-16);
}

.page-numbers {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: var(--r-md);
  font-size: var(--text-sm);
  font-weight: var(--fw-medium);
  color: var(--clr-text);
  border: 1px solid var(--clr-border);
  transition: all var(--dur-base) var(--ease-out);
}

.page-numbers:hover,
.page-numbers.current {
  background: var(--clr-primary);
  color: var(--clr-white);
  border-color: var(--clr-primary);
}

/* ── 13. Breadcrumbs ──────────────────────────────────────────────────────── */
.breadcrumbs { margin-bottom: var(--sp-8); }

.breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
}

.breadcrumbs__link { color: var(--clr-text-muted); font-size: var(--text-sm); }
.breadcrumbs__link:hover { color: var(--clr-primary); }
.breadcrumbs__item--current span { color: var(--clr-white); font-size: var(--text-sm); }
.breadcrumbs__sep { color: var(--clr-text-muted); font-size: var(--text-sm); }

/* ── 14. Screen reader & a11y ─────────────────────────────────────────────── */
.screen-reader-text {
  border: 0;
  clip: rect(1px, 1px, 1px, 1px);
  clip-path: inset(50%);
  height: 1px;
  margin: -1px;
  overflow: hidden;
  padding: 0;
  position: absolute;
  width: 1px;
  word-wrap: normal !important;
}

.skip-link {
  position: absolute;
  top: -100%;
  left: 1rem;
  padding: 0.75rem 1.5rem;
  background: var(--clr-primary);
  color: var(--clr-white);
  font-weight: var(--fw-semibold);
  border-radius: 0 0 var(--r-md) var(--r-md);
  z-index: 9999;
  transition: top var(--dur-fast);
}

.skip-link:focus { top: 0; }

/* ── 15. Noise texture overlay ────────────────────────────────────────────── */
.noise-bg::before {
  content: '';
  position: absolute;
  inset: 0;
  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)' opacity='0.04'/%3E%3C/svg%3E");
  pointer-events: none;
  z-index: 0;
}

/* ── 16. Glow effects ─────────────────────────────────────────────────────── */
.glow-primary {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108,99,255,0.15) 0%, transparent 70%);
  pointer-events: none;
}

.glow-accent {
  position: absolute;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0,212,170,0.1) 0%, transparent 70%);
  pointer-events: none;
}

/* ── 17. Marquee / Ticker ─────────────────────────────────────────────────── */
.marquee-track {
  display: flex;
  gap: var(--sp-12);
  animation: marquee-scroll 30s linear infinite;
  width: max-content;
}

.marquee-track--reverse {
  animation-direction: reverse;
}

@keyframes marquee-scroll {
  from { transform: translateX(0); }
  to   { transform: translateX(-50%); }
}

.marquee-wrapper {
  overflow: hidden;
  position: relative;
}

/* Fade edges */
.marquee-wrapper::before,
.marquee-wrapper::after {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  width: 120px;
  z-index: 2;
  pointer-events: none;
}

.marquee-wrapper::before {
  left: 0;
  background: linear-gradient(to right, var(--clr-bg) 0%, transparent 100%);
}

.marquee-wrapper::after {
  right: 0;
  background: linear-gradient(to left, var(--clr-bg) 0%, transparent 100%);
}

/* ── 18. Responsive ───────────────────────────────────────────────────────── */
@media (max-width: 1024px) {
  .grid-4  { grid-template-columns: repeat(2, 1fr); }
  .grid-3  { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
  .grid-4,
  .grid-3,
  .grid-2  { grid-template-columns: 1fr; }
  .newsletter-form { flex-direction: column; }
  .section-title { font-size: var(--text-3xl); }
}

@media (max-width: 480px) {
  :root {
    --container-pad: 1.25rem;
    --sp-section: 3.5rem;
  }
}

/* ── 19. WP Alignment helpers ─────────────────────────────────────────────── */
.alignleft  { float: left; margin: 0 var(--sp-6) var(--sp-4) 0; }
.alignright { float: right; margin: 0 0 var(--sp-4) var(--sp-6); }
.aligncenter { display: block; margin-inline: auto; }
.alignwide  { margin-inline: calc(-1 * var(--container-pad)); }
.alignfull  { width: 100vw; margin-left: calc(50% - 50vw); }

/* ── 20. Misc utilities ───────────────────────────────────────────────────── */
.text-gradient {
  background: var(--clr-gradient-cta);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.text-muted  { color: var(--clr-text-muted); }
.text-center { text-align: center; }
.text-white  { color: var(--clr-white); }
.text-primary{ color: var(--clr-primary); }
.text-accent { color: var(--clr-accent); }

.mt-auto  { margin-top: auto; }
.mb-auto  { margin-bottom: auto; }

.w-full   { width: 100%; }
.h-full   { height: 100%; }

.relative { position: relative; }
.overflow-hidden { overflow: hidden; }
.pointer-none { pointer-events: none; }

/* Image utility */
.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
}

.img-contain {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

/* ── 21. Loading screen ───────────────────────────────────────────────────── */
.page-loader {
  position: fixed;
  inset: 0;
  background: var(--clr-bg);
  z-index: 9999;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: opacity 0.6s var(--ease-out), visibility 0.6s;
}

.page-loader.loaded {
  opacity: 0;
  visibility: hidden;
}

.page-loader__logo {
  font-family: var(--font-display);
  font-size: var(--text-2xl);
  font-weight: var(--fw-bold);
  color: var(--clr-white);
  letter-spacing: -0.03em;
}

.page-loader__bar {
  position: absolute;
  bottom: 0;
  left: 0;
  height: 2px;
  background: var(--clr-gradient-cta);
  animation: loader-bar 1.2s var(--ease-out) forwards;
}

@keyframes loader-bar {
  from { width: 0; }
  to   { width: 100%; }
}

/* ── 22. Posts grid (index fallback) ──────────────────────────────────────── */
.posts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: var(--sp-8);
  padding-block: var(--sp-16);
}