/* ==========================================================================
   Design System for Umar Kremlev Landing (Official Style Replication)
   Reference: https://umarkremlev.com/
   Fonts: Alumni Sans (Headings), Raleway (Body & UI)
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Alumni+Sans:ital,wght@0,400;0,500;0,600;0,700;1,500;1,600&family=Raleway:ital,wght@0,300;0,400;0,500;0,600;0,700;1,400;1,500&display=swap');

:root {
  /* Brand Colors */
  --brand-navy: #1c2a50;
  --brand-navy-dark: #0f182e;
  --brand-navy-light: #2a3f6e;
  --brand-navy-subtle: rgba(28, 42, 80, 0.06);
  --brand-navy-border: rgba(28, 42, 80, 0.12);
  --brand-accent-gold: #c5a880;
  --brand-accent-blue: #3b82f6;

  /* Theme Colors */
  --bg-dark: #000000;
  --sheet-shell-bg: #f7f7f5;
  --card-bg: #ffffff;
  --text-main: #1a1a1a;
  --text-lead: #2a3f6e;
  --text-muted: #4a5a78;
  --text-body: #334155;
  --text-white: #ffffff;

  /* Layout Tokens */
  --sheet-content-max: 1140px;
  --sheet-pad-x: clamp(20px, 4vw, 48px);
  --sheet-section-pad-y: clamp(48px, 6vw, 72px);

  /* Elevation */
  --shadow-sheet: 0 -24px 80px rgba(0, 0, 0, 0.24);
  --shadow-card: 0 10px 30px rgba(28, 42, 80, 0.08);
  --shadow-card-hover: 0 18px 48px rgba(28, 42, 80, 0.14);

  /* Transitions */
  --transition-smooth: 0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Reset & Global */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  min-height: 100%;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: 'Raleway', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  font-size: 17px;
  line-height: 1.65;
  color: var(--text-body);
  background-color: var(--bg-dark);
  overflow-x: clip;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

a {
  color: var(--brand-navy);
  text-decoration: none;
  transition: color var(--transition-smooth), opacity var(--transition-smooth);
}

a:hover {
  color: var(--brand-navy-dark);
}

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

/* ==========================================================================
   Header (Sticky Glassmorphic)
   ========================================================================== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: clamp(14px, 2vw, 24px) var(--sheet-pad-x);
  transition: background-color 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, padding 0.3s ease;
}

.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.94);
  border-bottom: 1px solid var(--brand-navy-border);
  box-shadow: 0 8px 30px rgba(28, 42, 80, 0.08);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 14px var(--sheet-pad-x);
}

.site-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: clamp(16px, 3vw, 40px);
  max-width: var(--sheet-content-max);
  margin: 0 auto;
}

.site-logo {
  font-family: 'Alumni Sans', sans-serif;
  font-weight: 600;
  font-size: clamp(20px, 2.4vw, 28px);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  gap: 12px;
  transition: color var(--transition-smooth);
}

.site-header.is-scrolled .site-logo {
  color: var(--brand-navy);
}

.site-logo__sub {
  font-family: 'Raleway', sans-serif;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.18em;
  color: var(--brand-accent-gold);
  border-left: 1px solid rgba(255, 255, 255, 0.25);
  padding-left: 10px;
  line-height: 1.2;
}

.site-header.is-scrolled .site-logo__sub {
  border-left-color: var(--brand-navy-border);
  color: var(--brand-navy-light);
}

.site-nav {
  display: flex;
  align-items: center;
  gap: clamp(12px, 2.2vw, 32px);
  list-style: none;
}

.site-nav a {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(13px, 1vw, 15px);
  font-weight: 500;
  color: rgba(255, 255, 255, 0.88);
  letter-spacing: 0.02em;
  padding: 6px 0;
  position: relative;
}

.site-header.is-scrolled .site-nav a {
  color: var(--brand-navy);
}

.site-nav a:hover {
  color: #ffffff;
}

.site-header.is-scrolled .site-nav a:hover {
  color: var(--brand-navy-dark);
}

.site-header__actions {
  display: flex;
  align-items: center;
  gap: 16px;
}

.site-badge-official {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: 'Raleway', sans-serif;
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #ffffff;
  padding: 6px 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 999px;
  backdrop-filter: blur(8px);
}

.site-header.is-scrolled .site-badge-official {
  color: var(--brand-navy);
  background: var(--brand-navy-subtle);
  border-color: var(--brand-navy-border);
}

/* Mobile Toggle */
.site-menu-toggle {
  display: none;
  background: transparent;
  border: none;
  width: 32px;
  height: 24px;
  cursor: pointer;
  flex-direction: column;
  justify-content: space-between;
}

.site-menu-toggle span {
  display: block;
  height: 2px;
  width: 100%;
  background: #ffffff;
  border-radius: 2px;
  transition: all 0.3s ease;
}

.site-header.is-scrolled .site-menu-toggle span {
  background: var(--brand-navy);
}

/* ==========================================================================
   Hero Section (Executive Photographic Presentation)
   ========================================================================== */
.hero {
  position: relative;
  min-height: 75vh;
  min-height: 75dvh;
  display: flex;
  align-items: center;
  background: 
    radial-gradient(circle at 85% 25%, rgba(42, 63, 110, 0.55) 0%, rgba(28, 42, 80, 0.2) 50%, transparent 80%),
    radial-gradient(circle at 10% 75%, rgba(197, 168, 128, 0.1) 0%, transparent 45%),
    linear-gradient(135deg, #090e1a 0%, #0f182e 45%, #182544 100%);
  padding: clamp(110px, 14vh, 160px) var(--sheet-pad-x) clamp(60px, 8vh, 100px);
  color: #ffffff;
}

.hero__inner {
  width: 100%;
  max-width: var(--sheet-content-max);
  margin: 0 auto;
  position: relative;
  z-index: 2;
}

.hero__tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(14px, 1.3vw, 17px);
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #e2c275;
  margin-bottom: clamp(12px, 2vh, 20px);
  padding: 4px 14px;
  background: rgba(226, 194, 117, 0.12);
  border: 1px solid rgba(226, 194, 117, 0.3);
  border-radius: 999px;
}

.hero__title {
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(3rem, 5.5vw + 3vh, 7.5rem);
  font-weight: 600;
  line-height: 0.92;
  letter-spacing: 0.035em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: clamp(18px, 2.5vh, 28px);
  max-width: 900px;
}

.hero__subtitle {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(16px, 1.3vw, 20px);
  font-weight: 400;
  line-height: 1.55;
  color: rgba(240, 244, 255, 0.9);
  max-width: 720px;
  margin-bottom: clamp(28px, 4vh, 44px);
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 16px;
}

.hero-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 50px;
  padding: 12px 32px;
  border-radius: 999px;
  font-family: 'Raleway', sans-serif;
  font-size: 14px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.hero-btn--primary {
  background-color: #ffffff;
  color: var(--brand-navy);
  border: 2px solid #ffffff;
}

.hero-btn--primary:hover {
  background-color: transparent;
  color: #ffffff;
}

.hero-btn--outline {
  background-color: transparent;
  color: #ffffff;
  border: 2px solid rgba(255, 255, 255, 0.4);
}

.hero-btn--outline:hover {
  border-color: #ffffff;
  background: rgba(255, 255, 255, 0.08);
  color: #ffffff;
}

/* ==========================================================================
   Floating Sheet (The Signature umarkremlev.com Concept)
   ========================================================================== */
.floating-sheet {
  position: relative;
  z-index: 10;
  background: var(--sheet-shell-bg);
  border-radius: clamp(24px, 3vw, 36px) clamp(24px, 3vw, 36px) 0 0;
  box-shadow: var(--shadow-sheet);
  margin-top: -36px;
  padding-bottom: clamp(60px, 8vw, 100px);
}

.floating-sheet__inner {
  max-width: var(--sheet-content-max);
  margin: 0 auto;
  padding: var(--sheet-section-pad-y) var(--sheet-pad-x) 0;
}

/* Breadcrumbs */
.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(14px, 1.4vw, 16px);
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-navy);
  margin-bottom: clamp(24px, 3vw, 36px);
  padding-bottom: 16px;
  border-bottom: 1px solid var(--brand-navy-border);
}

.breadcrumbs a {
  color: var(--brand-navy);
  opacity: 0.7;
}

.breadcrumbs a:hover {
  opacity: 1;
  text-decoration: underline;
}

.breadcrumbs span[aria-current="page"] {
  opacity: 1;
  font-weight: 700;
  color: var(--brand-navy-dark);
}

/* Lead Section & Article Header */
.article-header {
  margin-bottom: clamp(36px, 5vw, 54px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-bottom: 20px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 4px 12px;
  border-radius: 999px;
  font-family: 'Raleway', sans-serif;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.badge--navy {
  background: var(--brand-navy-subtle);
  color: var(--brand-navy);
  border: 1px solid var(--brand-navy-border);
}

.article-date {
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 500;
}

.article-title {
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(38px, 5vw, 62px);
  font-weight: 600;
  letter-spacing: 0.025em;
  text-transform: uppercase;
  line-height: 1.05;
  color: var(--brand-navy);
  margin-bottom: 24px;
}

.article-lead {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(17px, 1.4vw, 21px);
  font-weight: 400;
  line-height: 1.6;
  color: var(--text-lead);
  max-width: 960px;
  padding-left: clamp(16px, 2.5vw, 28px);
  border-left: 3px solid var(--brand-navy);
  margin-bottom: 32px;
}

/* Key Metrics Strip (Highlights) */
.metrics-strip {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: clamp(16px, 2vw, 24px);
  margin: clamp(32px, 4vw, 48px) 0 clamp(48px, 6vw, 64px);
}

.metric-card {
  background: var(--card-bg);
  border: 1px solid var(--brand-navy-border);
  border-left: 4px solid var(--brand-navy);
  border-radius: 16px;
  padding: clamp(20px, 2.5vw, 28px);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.metric-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.metric-value {
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(38px, 4.5vw, 56px);
  font-weight: 700;
  line-height: 1;
  color: var(--brand-navy);
  margin-bottom: 8px;
}

.metric-label {
  font-family: 'Raleway', sans-serif;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--text-muted);
  line-height: 1.4;
}

/* ==========================================================================
   Editorial Content Flow
   ========================================================================== */
.editorial-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 4vw, 56px);
}

.content-block {
  margin-bottom: clamp(32px, 4vw, 52px);
}

.section-heading {
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(28px, 3.5vw, 44px);
  font-weight: 600;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  line-height: 1.1;
  color: var(--brand-navy);
  margin: 0 0 clamp(16px, 2vw, 24px);
}

.paragraph {
  font-size: clamp(16px, 1.1vw, 18px);
  line-height: 1.75;
  color: var(--text-body);
  margin-bottom: 20px;
}

/* Quote Callout */
.quote-callout {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--brand-navy-border);
  border-left: 5px solid var(--brand-navy);
  border-radius: 16px;
  padding: clamp(24px, 3vw, 36px) clamp(24px, 3.5vw, 40px);
  margin: clamp(28px, 4vw, 44px) 0;
  box-shadow: var(--shadow-card);
}

.quote-callout__text {
  font-family: 'Raleway', sans-serif;
  font-size: clamp(17px, 1.35vw, 21px);
  font-style: italic;
  font-weight: 500;
  line-height: 1.6;
  color: var(--brand-navy-dark);
  margin-bottom: 16px;
}

.quote-callout__author {
  font-family: 'Alumni Sans', sans-serif;
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--brand-navy);
  display: flex;
  align-items: center;
  gap: 10px;
}

.quote-callout__author::before {
  content: "";
  display: block;
  width: 24px;
  height: 2px;
  background: var(--brand-accent-gold);
}

/* Image Editorial Module */
.editorial-media {
  margin: clamp(32px, 4vw, 48px) 0;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  border: 1px solid var(--brand-navy-border);
  background: #ffffff;
}

.editorial-media img {
  width: 100%;
  height: auto;
  object-fit: cover;
}

.editorial-media__caption {
  padding: 14px 20px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-muted);
  border-top: 1px solid var(--brand-navy-border);
  background: #ffffff;
}

/* 2-Column Cards Section (Decisions & Initiatives) */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
  gap: clamp(20px, 2.5vw, 32px);
  margin: clamp(24px, 3vw, 36px) 0;
}

.feature-card {
  background: var(--card-bg);
  border: 1px solid var(--brand-navy-border);
  border-left: 4px solid var(--brand-navy);
  border-radius: 18px;
  padding: clamp(24px, 3vw, 32px);
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
}

.feature-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-card-hover);
}

.feature-card__tag {
  font-family: 'Alumni Sans', sans-serif;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--brand-navy-light);
  margin-bottom: 8px;
}

.feature-card__title {
  font-family: 'Alumni Sans', sans-serif;
  font-size: clamp(22px, 2.2vw, 28px);
  font-weight: 600;
  letter-spacing: 0.02em;
  text-transform: uppercase;
  color: var(--brand-navy);
  margin-bottom: 12px;
  line-height: 1.15;
}

.feature-card__text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--text-body);
}

/* FAQ Accordion */
.faq-section {
  margin-top: clamp(48px, 6vw, 72px);
  padding-top: clamp(36px, 5vw, 54px);
  border-top: 1px solid var(--brand-navy-border);
}

.faq-item {
  background: #ffffff;
  border: 1px solid var(--brand-navy-border);
  border-radius: 14px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: border-color var(--transition-smooth);
}

.faq-item:hover {
  border-color: var(--brand-navy-light);
}

.faq-item summary {
  padding: 18px 24px;
  font-family: 'Raleway', sans-serif;
  font-size: 16px;
  font-weight: 600;
  color: var(--brand-navy);
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  user-select: none;
}

.faq-item summary::-webkit-details-marker {
  display: none;
}

.faq-item summary::after {
  content: "+";
  font-family: 'Raleway', sans-serif;
  font-size: 20px;
  font-weight: 600;
  color: var(--brand-navy);
  transition: transform 0.2s ease;
}

.faq-item[open] summary::after {
  content: "−";
}

.faq-answer {
  padding: 0 24px 20px;
  font-size: 15px;
  line-height: 1.65;
  color: var(--text-body);
}

/* ==========================================================================
   Footer (Matching umarkremlev.com)
   ========================================================================== */
.site-footer {
  background: var(--brand-navy);
  color: #ffffff;
  padding: clamp(54px, 7vw, 80px) var(--sheet-pad-x) clamp(32px, 4vw, 48px);
  position: relative;
  z-index: 5;
}

.site-footer__inner {
  max-width: var(--sheet-content-max);
  margin: 0 auto;
}

.site-footer__top {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  justify-content: space-between;
  gap: 36px;
  padding-bottom: clamp(32px, 4vw, 48px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.14);
}

.site-footer__brand {
  max-width: 440px;
}

.site-footer__logo {
  font-family: 'Alumni Sans', sans-serif;
  font-size: 32px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: #ffffff;
  margin-bottom: 12px;
}

.site-footer__desc {
  font-size: 14px;
  line-height: 1.6;
  color: rgba(230, 238, 255, 0.75);
}

.site-footer__links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.site-footer__links a {
  color: rgba(255, 255, 255, 0.85);
  font-size: 14px;
  font-weight: 500;
}

.site-footer__links a:hover {
  color: #ffffff;
  text-decoration: underline;
}

.site-footer__bottom {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding-top: 24px;
  font-size: 13px;
  color: rgba(230, 238, 255, 0.6);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */
@media (max-width: 860px) {
  .site-nav {
    display: none;
  }

  .site-menu-toggle {
    display: flex;
  }

  .site-header.is-open .site-nav {
    position: absolute;
    top: 100%;
    left: var(--sheet-pad-x);
    right: var(--sheet-pad-x);
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    background: #ffffff;
    border-radius: 16px;
    padding: 20px;
    box-shadow: 0 16px 40px rgba(28, 42, 80, 0.16);
    border: 1px solid var(--brand-navy-border);
  }

  .site-header.is-open .site-nav a {
    color: var(--brand-navy);
    font-size: 15px;
    width: 100%;
    padding: 8px 0;
  }
}

@media (max-width: 640px) {
  :root {
    --sheet-pad-x: 18px;
  }

  .hero {
    min-height: 85vh;
    padding-top: 100px;
    background-position: 70% center;
  }

  .metrics-strip {
    grid-template-columns: 1fr;
  }

  .site-footer__top {
    flex-direction: column;
  }
}