/*
  SYNTRA REFINING CORP. — BRAND THEME 2026
  ==========================================
  Single source of truth for all brand elements.
  Based on: SYNTRA Brand Guidelines 2026 (Jan 2026)
*/

/* ============================
   TYPOGRAPHY
   ============================ */

@import url('https://fonts.googleapis.com/css2?family=Oswald:wght@700&family=Inter:wght@400;600&family=JetBrains+Mono:wght@400;700&display=swap');

:root {
  /* Brand Colors - Primary */
  --syntra-midnight-navy: #0B1120;
  --syntra-signal-yellow: #FFD700;
  --syntra-deep-slate: #0F172A;
  --syntra-slate-50: #F9FAFC;
  --syntra-white: #FFFFFF;

  /* Brand Colors - Secondary (use sparingly) */
  --syntra-cyan: #0891B2;
  --syntra-slate-300: #CBD5E1;
  --syntra-slate-400: #94A3B8;
  --syntra-slate-500: #64748B;
  --syntra-slate-800: #1E293B;

  /* Typography */
  --font-heading: 'Oswald', sans-serif;
  --font-body: 'Inter', sans-serif;
  --font-mono: 'JetBrains Mono', monospace;

  /* Font Weights */
  --weight-heading: 700;
  --weight-body-light: 400;
  --weight-body-medium: 600;
  --weight-mono-light: 400;
  --weight-mono-bold: 700;

  /* Spacing Scale */
  --space-xs: 0.5rem;
  --space-sm: 1rem;
  --space-md: 1.5rem;
  --space-lg: 2rem;
  --space-xl: 3rem;
  --space-2xl: 4rem;
  --space-3xl: 6rem;

  /* Border Radius (Sharp Premium Feel) */
  --radius-none: 0;
  --radius-sm: 2px;
  --radius-md: 4px;
  --radius-lg: 6px;

  /* Transitions */
  --transition-fast: 150ms ease;
  --transition-normal: 250ms ease;
  --transition-slow: 400ms ease;
}

/* ============================
   BASE TYPOGRAPHY
   ============================ */

body {
  font-family: var(--font-body);
  font-weight: var(--weight-body-light);
  color: var(--syntra-deep-slate);
  background-color: var(--syntra-slate-50);
  line-height: 1.7;
}

/* Headings: Oswald Bold Only */
h1, h2, h3, h4, h5, h6,
.heading {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: 0.02em;
  text-transform: uppercase;
  text-align: left;
}

h1 { font-size: 3rem; line-height: 1.1; }
h2 { font-size: 2.25rem; line-height: 1.2; }
h3 { font-size: 1.875rem; line-height: 1.25; }
h4 { font-size: 1.5rem; line-height: 1.3; }
h5 { font-size: 1.25rem; line-height: 1.35; }
h6 { font-size: 1.125rem; line-height: 1.4; }

@media (max-width: 768px) {
  h1 { font-size: 2.25rem; }
  h2 { font-size: 1.875rem; }
  h3 { font-size: 1.5rem; }
  h4 { font-size: 1.25rem; }
  h5 { font-size: 1.125rem; }
  h6 { font-size: 1rem; }
}

/* Body Text: Inter Light (Medium for Emphasis) */
p, li, a, span {
  font-family: var(--font-body);
  font-weight: var(--weight-body-light);
}

strong, b, .emphasis {
  font-weight: var(--weight-body-medium);
}

/* Data/Specs/Nav: JetBrains Mono Light */
.mono, .spec, .data-label, nav,
[class*="nav-"], [class*="metric"], [class*="stat"] {
  font-family: var(--font-mono);
  font-weight: var(--weight-mono-light);
}

.mono strong, .spec strong, .data-label strong {
  font-weight: var(--weight-mono-bold);
}

/* ============================
   ALIGNMENT (ALWAYS LEFT)
   ============================ */

.text-left-forced,
.hero-content,
.section-content,
.cta-content,
main p,
main h1, main h2, main h3, main h4, main h5, main h6 {
  text-align: left !important;
}

/* Remove any center alignment */
.text-center {
  text-align: left !important;
}

/* Force all table text to be left-aligned */
table th,
table td,
table thead th,
table tbody td,
table tfoot td {
  text-align: left !important;
}

/* ============================
   SHARP GEOMETRY
   ============================ */

/* Buttons - STRICT: Oswald Bold Only */
.btn,
button,
[class*="button"],
[class*="cta"],
input[type="submit"],
input[type="button"] {
  border-radius: var(--radius-sm) !important;
  border: none;
  padding: 0.75rem 1.5rem;
  font-family: var(--font-heading) !important;
  font-weight: var(--weight-heading) !important;
  text-transform: uppercase;
  letter-spacing: 0.05em;
  transition: all var(--transition-normal);
  text-align: center !important;
  justify-content: center !important;
}

/* Button-styled links */
a.inline-flex,
a[class*="inline-flex"] {
  text-align: center !important;
  justify-content: center !important;
}

.btn-primary {
  background-color: var(--syntra-signal-yellow);
  color: var(--syntra-midnight-navy);
}

.btn-primary:hover {
  background-color: var(--syntra-midnight-navy);
  color: var(--syntra-signal-yellow);
}

.btn-secondary {
  background-color: transparent;
  color: var(--syntra-signal-yellow);
  border: 2px solid var(--syntra-signal-yellow);
}

.btn-secondary:hover {
  background-color: var(--syntra-signal-yellow);
  color: var(--syntra-midnight-navy);
}

/* Cards */
.card,
[class*="card"] {
  border-radius: var(--radius-md);
  background-color: var(--syntra-white);
  border: 1px solid var(--syntra-slate-300);
}

/* Input Fields */
input[type="text"],
input[type="email"],
input[type="tel"],
input[type="password"],
textarea,
select {
  border-radius: var(--radius-sm);
  border: 1px solid var(--syntra-slate-300);
  padding: 0.75rem 1rem;
  font-family: var(--font-body);
  font-weight: var(--weight-body-light);
  transition: border-color var(--transition-fast);
}

input:focus,
textarea:focus,
select:focus {
  outline: none;
  border-color: var(--syntra-signal-yellow);
}

/* ============================
   LOGO USAGE
   ============================ */

.syntra-logo-container {
  display: inline-block;
  position: relative;
}

.syntra-logo-diamond {
  position: relative;
}

.syntra-logo-square {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}

/* Animation: Diamond rotates, Square stays static */
@keyframes diamond-rotate {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

.syntra-logo-diamond.animated {
  animation: diamond-rotate 20s linear infinite;
}

.syntra-logo-square.animated {
  animation: none;
}

/* ============================
   BRAND COLORS
   ============================ */

.bg-midnight-navy { background-color: var(--syntra-midnight-navy); }
.bg-signal-yellow { background-color: var(--syntra-signal-yellow); }
.bg-deep-slate { background-color: var(--syntra-deep-slate); }
.bg-slate-50 { background-color: var(--syntra-slate-50); }
.bg-white { background-color: var(--syntra-white); }

.text-midnight-navy { color: var(--syntra-midnight-navy); }
.text-signal-yellow { color: var(--syntra-signal-yellow); }
.text-deep-slate { color: var(--syntra-deep-slate); }
.text-slate-50 { color: var(--syntra-slate-50); }
.text-white { color: var(--syntra-white); }

.border-midnight-navy { border-color: var(--syntra-midnight-navy); }
.border-signal-yellow { border-color: var(--syntra-signal-yellow); }
.border-slate-300 { border-color: var(--syntra-slate-300); }

/* ============================
   TECHNICAL GRID OVERLAY
   (Optional, use sparingly)
   ============================ */

.syntra-grid-overlay {
  position: relative;
}

.syntra-grid-overlay::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(0deg, transparent 49%, var(--syntra-slate-300) 49%, var(--syntra-slate-300) 51%, transparent 51%),
    linear-gradient(90deg, transparent 49%, var(--syntra-slate-300) 49%, var(--syntra-slate-300) 51%, transparent 51%);
  background-size: 20px 20px;
  opacity: 0.15;
  pointer-events: none;
  z-index: 0;
}

.syntra-grid-overlay > * {
  position: relative;
  z-index: 1;
}

/* ============================
   UTILITIES
   ============================ */

.container-brand {
  max-width: 1400px;
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-md);
  padding-right: var(--space-md);
}

@media (min-width: 768px) {
  .container-brand {
    padding-left: var(--space-xl);
    padding-right: var(--space-xl);
  }
}

.section-spacing {
  padding-top: var(--space-3xl);
  padding-bottom: var(--space-3xl);
}

@media (max-width: 768px) {
  .section-spacing {
    padding-top: var(--space-2xl);
    padding-bottom: var(--space-2xl);
  }
}

/* ============================
   VOICE & TONE HELPERS
   ============================ */

.brand-wordmark::after {
  content: 'SYNTRA';
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
}

.brand-syncore::after {
  content: 'SYNCORE™';
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
}

.brand-synhub::after {
  content: 'SYNHUB™';
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
}

/* ============================
   ANIMATION & MOTION
   ============================ */

@keyframes fade-in {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

.fade-in {
  animation: fade-in 0.6s ease forwards;
}

.transition-brand {
  transition: all var(--transition-normal);
}

/* ============================
   ACCESSIBILITY
   ============================ */

:focus-visible {
  outline: 2px solid var(--syntra-signal-yellow);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
}

/* ============================
   BRAND COMPLIANCE HELPERS
   ============================ */

/* STRICT ENFORCEMENT: No centered text anywhere */
[class*="text-center"],
[class*="items-center"][class*="flex-col"],
.text-center,
main [class*="center"],
main [style*="text-align: center"],
[style*="text-align: center"] {
  text-align: left !important;
}

/* Allow flex centering for layout, but force text left */
.flex.flex-col.items-center *,
.flex.items-center *,
.grid.text-center * {
  text-align: left !important;
}

/* STRICT ENFORCEMENT: Sharp corners only */
*,
*::before,
*::after {
  border-radius: 0 !important;
}

/* Allowed border radius - Small elements only */
.btn,
button:not([class*="rounded-full"]),
[class*="button"]:not([class*="rounded-full"]),
[class*="cta"],
input:not([type="radio"]):not([type="checkbox"]),
textarea,
select,
.card:not([class*="rounded-xl"]):not([class*="rounded-2xl"]):not([class*="rounded-full"]) {
  border-radius: var(--radius-sm) !important;
}

/* Structural elements: NO rounding */
[class*="card"],
[class*="capability"],
[class*="metric"],
section,
article,
.panel,
.box {
  border-radius: 0 !important;
}

/* Images and decorative elements: NO rounding */
img,
[class*="avatar"],
[class*="badge"],
.indicator,
[class*="status"] {
  border-radius: 0 !important;
}

/* Override all Tailwind rounded classes */
[class*="rounded-full"],
[class*="rounded-xl"],
[class*="rounded-2xl"],
[class*="rounded-3xl"],
[class*="rounded-lg"],
[class*="rounded-md"] {
  border-radius: var(--radius-sm) !important;
}

/* Ping animations and decorative dots - allow full rounding */
.animate-ping,
[class*="ping"],
.dot,
[style*="width: 2px"],
[style*="width: 4px"],
[style*="width: 8px"] {
  border-radius: 50% !important;
}

/* ============================
   END BRAND THEME
   ============================ */