/* ==========================================================================
   DR. LAYLA HABIB AL-BALUSHI — DIGITAL PERSONAL INSTITUTION
   Design System: Dark Executive Living Knowledge (2026 Edition)
   ========================================================================== */

/* --------------------------------------------------------------------------
   1. CSS Variables & Design Tokens
   -------------------------------------------------------------------------- */
:root {
  /* Background Hierarchy */
  --bg-primary: #100D13;
  --bg-secondary: #17121A;
  --bg-elevated: #1D1720;
  --bg-card: rgba(29, 23, 32, 0.72);
  --bg-card-hover: rgba(42, 33, 46, 0.85);
  --bg-surface-glass: rgba(23, 18, 26, 0.78);

  /* Primary Typography Colors */
  --text-primary: #F4EFE8;
  --text-secondary: #C9C1C8;
  --text-muted: #958C96;
  --text-dim: #6E6570;

  /* Brand Accents */
  --brand-primary: #5B294C;
  --brand-primary-light: #7A3966;
  --brand-secondary: #A26478;
  --brand-secondary-dim: rgba(162, 100, 120, 0.16);

  /* Luxury Champagne Gold Accent (Used strictly as refined accents) */
  --accent-gold: #C3A56A;
  --accent-gold-light: #DEC492;
  --accent-gold-dim: rgba(195, 165, 106, 0.16);
  --accent-gold-border: rgba(195, 165, 106, 0.28);

  /* Hairlines & Borders */
  --border-hairline: rgba(244, 239, 232, 0.08);
  --border-subtle: rgba(244, 239, 232, 0.14);
  --border-focus: rgba(195, 165, 106, 0.45);

  /* Shadows (Minimal, Non-Neon) */
  --shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 12px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 24px 60px rgba(0, 0, 0, 0.45);
  --shadow-drawer: -10px 0 40px rgba(0, 0, 0, 0.6);

  /* Refined Radii (No excessive pills) */
  --radius-xs: 4px;
  --radius-sm: 6px;
  --radius-md: 10px;
  --radius-lg: 14px;
  --radius-pill: 999px;

  /* Typography Stacks */
  --font-heading: 'Alexandria', sans-serif;
  --font-body: 'IBM Plex Sans Arabic', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --font-en: 'Plus Jakarta Sans', sans-serif;

  /* Transitions & Motion */
  --ease-executive: cubic-bezier(0.16, 1, 0.3, 1);
  --transition-fast: 0.2s var(--ease-executive);
  --transition-normal: 0.35s var(--ease-executive);
  --transition-slow: 0.6s var(--ease-executive);

  /* Layout Containers */
  --container-max: 1340px;
  --container-narrow: 920px;
  --container-pad: clamp(1.2rem, 3.5vw, 2.5rem);
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  background-color: var(--bg-primary);
  color: var(--text-primary);
}

body {
  font-family: var(--font-body);
  background-color: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.85;
  font-weight: 400;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  direction: rtl;
  text-align: right;
}

body[data-lang="en"] {
  direction: ltr;
  text-align: left;
  font-family: var(--font-en), var(--font-body);
}

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

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

button, input, select, textarea {
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  border: none;
  background: none;
  outline: none;
}

button {
  cursor: pointer;
}

/* Accessibility Focus States */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
}

/* Language Visibility */
body[data-lang="ar"] .text-en {
  display: none !important;
}

body[data-lang="en"] .text-ar {
  display: none !important;
}

/* --------------------------------------------------------------------------
   3. Typography & Section Header System
   -------------------------------------------------------------------------- */
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.35;
  letter-spacing: -0.015em;
}

/* Section Header Structure (Numbered & Refined) */
.section-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  position: relative;
  z-index: 2;
}

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

.section-header {
  margin-bottom: clamp(2.5rem, 5vw, 4.5rem);
}

.section-header.text-center {
  text-align: center;
}

.section-num-tag {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.section-num-tag::after {
  content: "";
  display: inline-block;
  width: 24px;
  height: 1px;
  background-color: var(--accent-gold-border);
}

.section-title {
  font-size: clamp(1.8rem, 3.2vw, 2.65rem);
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.85rem;
  line-height: 1.3;
}

.section-description {
  font-size: clamp(0.98rem, 1.3vw, 1.12rem);
  color: var(--text-secondary);
  max-width: 68ch;
  line-height: 1.85;
}

.section-header.text-center .section-description {
  margin-left: auto;
  margin-right: auto;
}

/* Standard Section Padding */
section {
  padding-block: clamp(4.5rem, 7vw, 7.5rem);
  position: relative;
}

/* Hairline Section Separators */
.section-divider {
  width: 100%;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--border-subtle) 25%, var(--border-subtle) 75%, transparent 100%);
  border: none;
}

/* --------------------------------------------------------------------------
   4. Buttons & CTAs
   -------------------------------------------------------------------------- */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: var(--brand-primary);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid rgba(255, 255, 255, 0.12);
  transition: var(--transition-normal);
}

.btn-primary:hover {
  background-color: var(--brand-primary-light);
  border-color: var(--accent-gold-border);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(91, 41, 76, 0.35);
  color: #fff;
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background: rgba(244, 239, 232, 0.04);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 500;
  font-size: 0.95rem;
  padding: 0.85rem 1.8rem;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-subtle);
  transition: var(--transition-normal);
}

.btn-secondary:hover {
  background: rgba(244, 239, 232, 0.08);
  border-color: var(--accent-gold);
  color: var(--accent-gold-light);
  transform: translateY(-2px);
}

.btn-text-gold {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--accent-gold);
  font-family: var(--font-heading);
  font-size: 0.92rem;
  font-weight: 600;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--accent-gold-border);
  transition: var(--transition-fast);
}

.btn-text-gold:hover {
  color: var(--accent-gold-light);
  border-bottom-color: var(--accent-gold-light);
}

.btn-text-gold svg {
  transition: transform var(--transition-fast);
}

.btn-text-gold:hover svg {
  transform: translateX(-4px);
}

body[data-lang="en"] .btn-text-gold:hover svg {
  transform: translateX(4px);
}

/* --------------------------------------------------------------------------
   5. Header & Navigation
   -------------------------------------------------------------------------- */
.main-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: transparent;
  padding: 1.25rem 0;
  transition: background-color var(--transition-normal), padding var(--transition-normal), border-color var(--transition-normal), backdrop-filter var(--transition-normal);
  border-bottom: 1px solid transparent;
}

.main-header.is-scrolled {
  background-color: rgba(16, 13, 19, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  padding: 0.85rem 0;
  border-bottom-color: var(--border-hairline);
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.25);
}

.header-container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-pad);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
}

/* Brand Identity */
.brand-logo {
  display: flex;
  flex-direction: column;
  gap: 0.15rem;
  text-decoration: none;
}

.brand-name {
  font-family: var(--font-heading);
  font-size: 1.12rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}

.brand-sub {
  font-size: 0.74rem;
  color: var(--accent-gold);
  font-weight: 500;
  letter-spacing: 0.04em;
}

/* Desktop Navigation Menu */
.nav-menu {
  display: flex;
  align-items: center;
  gap: clamp(1rem, 1.8vw, 2rem);
}

.nav-link {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 0.35rem 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 1px;
  background-color: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

body[data-lang="en"] .nav-link::after {
  transform-origin: left;
}

.nav-link:hover {
  color: var(--text-primary);
}

.nav-link.active {
  color: var(--accent-gold);
}

.nav-link.active::after {
  transform: scaleX(1);
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 1rem;
}

/* Language Switcher (Refined Clean Text) */
.lang-switch-container {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  padding: 0.25rem 0.5rem;
  border-radius: var(--radius-xs);
  border: 1px solid var(--border-hairline);
  background: rgba(244, 239, 232, 0.03);
}

.lang-btn {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  padding: 0.2rem 0.45rem;
  border-radius: 3px;
  transition: color var(--transition-fast), background-color var(--transition-fast);
}

.lang-btn.active {
  color: var(--accent-gold);
  background: rgba(195, 165, 106, 0.12);
}

.lang-btn:hover:not(.active) {
  color: var(--text-primary);
}

/* Mobile Toggle */
.mobile-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 0.4rem;
  cursor: pointer;
}

.mobile-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background-color: var(--text-primary);
  transition: transform var(--transition-fast), opacity var(--transition-fast);
}

/* Mobile Drawer (Editorial Drawer) */
.mobile-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(380px, 85vw);
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-hairline);
  z-index: 150;
  padding: 5rem 2rem 2.5rem;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  overflow-y: auto;
}

body[data-lang="en"] .mobile-drawer {
  right: auto;
  left: 0;
  border-left: none;
  border-right: 1px solid var(--border-hairline);
  transform: translateX(-100%);
}

.mobile-drawer.open {
  transform: translateX(0);
}

.mobile-drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(0, 0, 0, 0.7);
  backdrop-filter: blur(4px);
  z-index: 140;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.mobile-drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.mobile-nav {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.mobile-link {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  font-family: var(--font-heading);
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-hairline);
  transition: color var(--transition-fast);
}

.mobile-link-num {
  font-size: 0.78rem;
  color: var(--accent-gold);
  font-weight: 500;
}

.mobile-link:hover, .mobile-link.active {
  color: var(--accent-gold-light);
}

/* --------------------------------------------------------------------------
   6. Hero Section (Executive Content & Organic Portrait Cutout)
   -------------------------------------------------------------------------- */
.hero-section {
  padding-top: clamp(7.5rem, 12vw, 11rem);
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
  min-height: 90vh;
  display: flex;
  align-items: center;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: center;
}

.hero-content {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
}

.hero-eyebrow {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.82rem;
  font-weight: 600;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 0.75rem;
}

.hero-name {
  font-size: clamp(2.3rem, 4.5vw, 3.8rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.18;
  margin-bottom: 1.25rem;
  letter-spacing: -0.02em;
}

.hero-positioning {
  font-family: var(--font-heading);
  font-size: clamp(1rem, 1.45vw, 1.25rem);
  font-weight: 600;
  color: var(--brand-secondary);
  margin-bottom: 1.5rem;
  line-height: 1.5;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.85rem;
}

.hero-positioning span {
  display: inline-flex;
  align-items: center;
  gap: 0.85rem;
}

.hero-positioning span:not(:last-child)::after {
  content: "•";
  color: var(--accent-gold-border);
  font-size: 0.9rem;
}

.hero-bio {
  font-size: clamp(0.96rem, 1.2vw, 1.08rem);
  color: var(--text-secondary);
  line-height: 1.9;
  max-width: 58ch;
  margin-bottom: 2.5rem;
}

.hero-actions {
  display: flex;
  align-items: center;
  gap: 1.2rem;
  flex-wrap: wrap;
  margin-bottom: 3.5rem;
}

/* Metrics Row Under Hero */
.hero-metrics-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  width: 100%;
  padding-top: 2rem;
  border-top: 1px solid var(--border-hairline);
}

.metric-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.metric-number {
  font-family: var(--font-heading);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.02em;
}

.metric-number span.gold {
  color: var(--accent-gold);
}

.metric-label {
  font-size: 0.82rem;
  color: var(--text-muted);
  line-height: 1.45;
}

/* Portrait Side (Executive Organic Integration) */
.hero-portrait-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  isolation: isolate;
}

/* Layer 1: Ambient Midnight Plum & Soft Deep Aura (Behind Portrait) */
.hero-portrait-wrapper::before {
  content: "";
  position: absolute;
  top: 5%;
  bottom: 0;
  left: -10%;
  right: -10%;
  z-index: 1;
  pointer-events: none;
  background: 
    /* Champagne Rim Warmth behind upper left silhouette */
    radial-gradient(circle 320px at 30% 35%, rgba(195, 165, 106, 0.14) 0%, rgba(195, 165, 106, 0.04) 50%, transparent 75%),
    /* Deep Midnight Plum Atmospheric Glow behind head and shoulders */
    radial-gradient(ellipse 480px 560px at 52% 45%, rgba(91, 41, 76, 0.38) 0%, rgba(45, 20, 48, 0.22) 55%, transparent 80%);
  border-radius: 50%;
  filter: blur(20px);
}

/* Layer 2: Ultra-Faint Abstract Knowledge/AI Geometric Traces (Opacity ~0.06) */
.hero-portrait-wrapper::after {
  content: "";
  position: absolute;
  top: 6%;
  inset-inline-end: 2%;
  width: 85%;
  height: 80%;
  z-index: 1;
  pointer-events: none;
  opacity: 0.06;
  background-image: url("data:image/svg+xml,%3Csvg width='320' height='320' viewBox='0 0 320 320' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpolygon points='160,20 280,90 280,230 160,300 40,230 40,90' stroke='%23C3A56A' stroke-width='1' stroke-dasharray='4 8'/%3E%3Ccircle cx='160' cy='160' r='90' stroke='%23C3A56A' stroke-width='0.75' stroke-dasharray='3 6'/%3E%3Ccircle cx='160' cy='160' r='130' stroke='%23C3A56A' stroke-width='0.5' stroke-dasharray='2 8'/%3E%3Cline x1='40' y1='90' x2='280' y2='230' stroke='%23C3A56A' stroke-width='0.5' stroke-dasharray='2 10'/%3E%3Cline x1='40' y1='230' x2='280' y2='90' stroke='%23C3A56A' stroke-width='0.5' stroke-dasharray='2 10'/%3E%3Ccircle cx='280' cy='90' r='3' fill='%23C3A56A'/%3E%3Ccircle cx='160' cy='20' r='2.5' fill='%23C3A56A'/%3E%3Ccircle cx='40' cy='230' r='2.5' fill='%23C3A56A'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: contain;
}

.hero-portrait-img {
  position: relative;
  z-index: 2;
  width: 100%;
  max-height: 640px;
  object-fit: contain;
  object-position: bottom center;
  /* Silhouette depth contouring: subtle champagne rim on one side + plum depth */
  filter: drop-shadow(-8px -4px 28px rgba(195, 165, 106, 0.16)) drop-shadow(10px 12px 36px rgba(91, 41, 76, 0.3));
  /* Smooth organic bottom mask dissolving base into dark canvas */
  mask-image: linear-gradient(to bottom, black 0%, black 74%, rgba(0,0,0,0.4) 90%, transparent 100%);
  -webkit-mask-image: linear-gradient(to bottom, black 0%, black 74%, rgba(0,0,0,0.4) 90%, transparent 100%);
}

/* --------------------------------------------------------------------------
   7. Knowledge Ribbon (Slow Moving Marquee)
   -------------------------------------------------------------------------- */
.knowledge-ribbon-wrapper {
  width: 100%;
  overflow: hidden;
  background-color: var(--bg-secondary);
  border-top: 1px solid var(--border-hairline);
  border-bottom: 1px solid var(--border-hairline);
  padding: 1.1rem 0;
  position: relative;
  mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
  -webkit-mask-image: linear-gradient(to right, transparent 0%, black 8%, black 92%, transparent 100%);
}

.knowledge-ribbon-track {
  display: flex;
  align-items: center;
  gap: 3.5rem;
  width: max-content;
  animation: slowMarquee 38s linear infinite;
  white-space: nowrap;
}

.knowledge-ribbon-wrapper:hover .knowledge-ribbon-track {
  animation-play-state: paused;
}

@keyframes slowMarquee {
  0% { transform: translateX(0); }
  100% { transform: translateX(50%); }
}

body[data-lang="en"] .knowledge-ribbon-track {
  animation: slowMarqueeEn 38s linear infinite;
}

@keyframes slowMarqueeEn {
  0% { transform: translateX(0); }
  100% { transform: translateX(-50%); }
}

.ribbon-item {
  display: inline-flex;
  align-items: center;
  gap: 1.5rem;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.ribbon-item .star {
  color: var(--accent-gold);
  font-size: 0.72rem;
}

/* --------------------------------------------------------------------------
   8. Profile Index Section (Table of Contents / Directory Rows)
   -------------------------------------------------------------------------- */
.profile-index-section {
  background-color: var(--bg-primary);
  padding-bottom: clamp(4rem, 6vw, 6rem);
}

.profile-index-table {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
}

.index-row {
  display: grid;
  grid-template-columns: 80px 1.4fr 1.6fr 40px;
  align-items: center;
  gap: 1.5rem;
  padding: 1.45rem 0.5rem;
  border-bottom: 1px solid var(--border-hairline);
  color: inherit;
  text-decoration: none;
  transition: background-color var(--transition-fast), padding-right var(--transition-fast), padding-left var(--transition-fast);
}

.index-row:hover {
  background-color: rgba(244, 239, 232, 0.02);
  padding-right: 1.25rem;
}

body[data-lang="en"] .index-row:hover {
  padding-right: 0.5rem;
  padding-left: 1.25rem;
}

.index-num {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: -0.01em;
}

.index-title {
  font-family: var(--font-heading);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

.index-row:hover .index-title {
  color: var(--accent-gold-light);
}

.index-meta {
  font-size: 0.88rem;
  color: var(--text-muted);
}

.index-arrow {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  color: var(--text-muted);
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.index-row:hover .index-arrow {
  color: var(--accent-gold);
  transform: translateX(-6px);
}

body[data-lang="en"] .index-row:hover .index-arrow {
  transform: translateX(6px);
}

/* --------------------------------------------------------------------------
   9. About Section (01 / PROFILE — Typography-Led)
   -------------------------------------------------------------------------- */
.about-section {
  background-color: var(--bg-secondary);
}

.about-editorial-grid {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: clamp(3rem, 6vw, 5.5rem);
  align-items: start;
}

.about-statement {
  font-family: var(--font-heading);
  font-size: clamp(1.2rem, 1.8vw, 1.55rem);
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.6;
  margin-bottom: 2rem;
  position: relative;
  padding-inline-start: 1.5rem;
  border-inline-start: 3px solid var(--accent-gold);
}

.about-lead-text {
  font-size: 1.08rem;
  color: var(--text-secondary);
  line-height: 1.95;
  margin-bottom: 1.5rem;
}

.about-secondary-text {
  font-size: 0.98rem;
  color: var(--text-muted);
  line-height: 1.9;
  margin-bottom: 2rem;
}

/* Applied AI & Modern Capability Matrix */
.ai-capability-box {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2.2rem;
}

.ai-cap-header {
  margin-bottom: 1.5rem;
}

.ai-cap-badge {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--accent-gold);
  background: var(--accent-gold-dim);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-xs);
  margin-bottom: 0.75rem;
  letter-spacing: 0.04em;
}

.ai-cap-title {
  font-size: 1.25rem;
  font-weight: 800;
  margin-bottom: 0.65rem;
}

.ai-cap-intro {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
}

.ai-pillars-list {
  display: flex;
  flex-direction: column;
  gap: 0.9rem;
  margin-top: 1.5rem;
}

.ai-pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 0.75rem;
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

.ai-pillar-bullet {
  color: var(--accent-gold);
  font-size: 0.75rem;
  margin-top: 0.25rem;
}

/* --------------------------------------------------------------------------
   10. Academic Qualifications (02 / EDUCATION — Editorial Records)
   -------------------------------------------------------------------------- */
.education-section {
  background-color: var(--bg-primary);
}

.education-records-list {
  display: flex;
  flex-direction: column;
  gap: 0;
  border-top: 1px solid var(--border-subtle);
}

.edu-record-row {
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: clamp(1.5rem, 4vw, 3.5rem);
  padding: 2.5rem 0;
  border-bottom: 1px solid var(--border-hairline);
  position: relative;
}

.edu-year-col {
  font-family: var(--font-heading);
  font-size: clamp(1.3rem, 2vw, 1.75rem);
  font-weight: 800;
  color: var(--accent-gold);
  letter-spacing: -0.01em;
}

.edu-body-col {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
}

.edu-degree {
  font-size: clamp(1.2rem, 1.8vw, 1.45rem);
  font-weight: 800;
  color: var(--text-primary);
}

.edu-institution {
  font-size: 1rem;
  font-weight: 600;
  color: var(--brand-secondary);
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.edu-location {
  font-size: 0.82rem;
  color: var(--text-muted);
  font-weight: 400;
}

.edu-thesis-card {
  margin-top: 0.75rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-gold-hairline);
  border-radius: var(--radius-sm);
  padding: 1.25rem 1.5rem;
}

.thesis-heading {
  font-family: var(--font-heading);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 0.35rem;
}

.thesis-title {
  font-size: 1.02rem;
  color: var(--text-primary);
  font-weight: 600;
  line-height: 1.6;
}

.edu-description {
  font-size: 0.94rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   11. Professional Journey (03 / JOURNEY — Editorial Vertical Timeline)
   -------------------------------------------------------------------------- */
.experience-section {
  background-color: var(--bg-secondary);
}

.journey-timeline-wrapper {
  position: relative;
  max-width: 980px;
  margin: 0 auto;
  padding-inline-start: 2rem;
}

.journey-timeline-wrapper::before {
  content: "";
  position: absolute;
  top: 10px;
  bottom: 10px;
  right: 0;
  width: 1px;
  background: linear-gradient(to bottom, var(--accent-gold-border) 0%, var(--border-subtle) 50%, var(--border-hairline) 100%);
}

body[data-lang="en"] .journey-timeline-wrapper {
  padding-inline-start: 2rem;
}

body[data-lang="en"] .journey-timeline-wrapper::before {
  right: auto;
  left: 0;
}

.journey-item {
  position: relative;
  padding-bottom: 3.5rem;
  display: grid;
  grid-template-columns: 140px 1fr;
  gap: 2.5rem;
  transition: opacity var(--transition-normal);
}

.journey-item:last-child {
  padding-bottom: 0;
}

/* Milestone Node Dot */
.journey-node-dot {
  position: absolute;
  top: 6px;
  right: -2rem;
  transform: translateX(50%);
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background-color: var(--bg-primary);
  border: 2px solid var(--text-muted);
  transition: background-color var(--transition-normal), border-color var(--transition-normal), transform var(--transition-normal);
}

body[data-lang="en"] .journey-node-dot {
  right: auto;
  left: -2rem;
  transform: translateX(-50%);
}

/* Active Milestone State (Triggered by IntersectionObserver) */
.journey-item.is-active .journey-node-dot {
  background-color: var(--accent-gold);
  border-color: var(--accent-gold-light);
  transform: translateX(50%) scale(1.35);
}

body[data-lang="en"] .journey-item.is-active .journey-node-dot {
  transform: translateX(-50%) scale(1.35);
}

.journey-year {
  font-family: var(--font-heading);
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--text-muted);
  transition: color var(--transition-normal);
}

.journey-item.is-active .journey-year {
  color: var(--accent-gold);
}

.journey-details {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.journey-role {
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--text-secondary);
  transition: color var(--transition-normal);
}

.journey-item.is-active .journey-role {
  color: var(--text-primary);
}

.journey-org {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--brand-secondary);
  margin-bottom: 0.35rem;
}

.journey-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   12. Accreditations (04 / CREDENTIALS — Credential Registry)
   -------------------------------------------------------------------------- */
.accreditations-section {
  background-color: var(--bg-primary);
}

.credentials-registry-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1px;
  background-color: var(--border-subtle);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  overflow: hidden;
}

.credential-item {
  background-color: var(--bg-secondary);
  padding: clamp(1.8rem, 3vw, 2.5rem);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: background-color var(--transition-fast);
}

.credential-item:hover {
  background-color: var(--bg-elevated);
}

.credential-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 1.25rem;
}

.credential-index {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.credential-country {
  font-size: 0.78rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.credential-title {
  font-size: 1.18rem;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 0.4rem;
}

.credential-org {
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--brand-secondary);
  margin-bottom: 0.85rem;
}

.credential-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   13. Global Presence & Memberships (05 / GLOBAL PRESENCE)
   -------------------------------------------------------------------------- */
.global-section {
  background-color: var(--bg-secondary);
}

.global-layout-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

.global-block {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2.5rem;
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.global-block-title {
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-hairline);
}

.uni-teaching-box {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.uni-badge-item {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 0.96rem;
  font-weight: 600;
  color: var(--text-secondary);
  padding: 0.65rem 0.85rem;
  background: rgba(244, 239, 232, 0.03);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
}

.geographic-index-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.geo-chip {
  font-size: 0.84rem;
  font-weight: 500;
  color: var(--text-secondary);
  background: rgba(244, 239, 232, 0.04);
  border: 1px solid var(--border-hairline);
  padding: 0.35rem 0.8rem;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
}

.geo-chip:hover {
  border-color: var(--accent-gold-border);
  color: var(--accent-gold-light);
}

/* Memberships List */
.memberships-vertical-list {
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.membership-item {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding-bottom: 1.1rem;
  border-bottom: 1px solid var(--border-hairline);
}

.membership-item:last-child {
  padding-bottom: 0;
  border-bottom: none;
}

.member-role {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
}

.member-org {
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--accent-gold);
}

.member-desc {
  font-size: 0.86rem;
  color: var(--text-muted);
  line-height: 1.65;
  margin-top: 0.2rem;
}

/* --------------------------------------------------------------------------
   14. Visual Signature & Recognition (06 / RECOGNITION)
   -------------------------------------------------------------------------- */
.recognition-section {
  background-color: var(--bg-primary);
}

/* Minimalist Knowledge Constellation SVG Graphic */
.constellation-wrapper {
  margin-bottom: 3.5rem;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 2rem;
  background: rgba(23, 18, 26, 0.5);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
}

.constellation-svg {
  width: 100%;
  max-width: 720px;
  height: auto;
}

.constellation-caption {
  margin-top: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.recognition-columns-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2rem, 4vw, 3.5rem);
}

.editorial-list-block {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.editorial-block-header {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-primary);
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--border-subtle);
}

.rec-item {
  display: grid;
  grid-template-columns: 65px 1fr;
  gap: 1.25rem;
  padding-bottom: 1.4rem;
  border-bottom: 1px solid var(--border-hairline);
}

.rec-item:last-child {
  border-bottom: none;
}

.rec-year {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.rec-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.25rem;
}

.rec-desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.65;
}

/* --------------------------------------------------------------------------
   15. Areas of Expertise (07 / EXPERTISE — Interactive Index)
   -------------------------------------------------------------------------- */
.expertise-section {
  background-color: var(--bg-secondary);
}

.expertise-interactive-layout {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.expertise-nav-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
}

.expertise-nav-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 1.15rem 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
  cursor: pointer;
  transition: background-color var(--transition-fast), color var(--transition-fast), padding-inline-start var(--transition-fast);
}

.expertise-nav-item:hover, .expertise-nav-item.active {
  background-color: var(--bg-elevated);
  padding-inline-start: 1.25rem;
}

.expertise-nav-item.active .exp-nav-title {
  color: var(--accent-gold-light);
}

.exp-nav-left {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.exp-nav-index {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.exp-nav-title {
  font-family: var(--font-heading);
  font-size: 1.02rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition-fast);
}

/* Dynamic Detail Display Panel */
.expertise-display-panel {
  position: sticky;
  top: 6.5rem;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: clamp(2rem, 3.5vw, 3rem);
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

.exp-display-num {
  font-family: var(--font-heading);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--accent-gold);
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.exp-display-title {
  font-size: 1.45rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
}

.exp-display-desc {
  font-size: 1.02rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

.exp-display-cta {
  margin-top: 1rem;
}

/* --------------------------------------------------------------------------
   16. Programs Knowledge Library (08 / PROGRAMS — List & Clean Grid)
   -------------------------------------------------------------------------- */
.programs-section {
  background-color: var(--bg-primary);
}

.library-controls-bar {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
  margin-bottom: 2.5rem;
}

/* Large Search Bar */
.search-box-large {
  position: relative;
  width: 100%;
}

.search-box-large input {
  width: 100%;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-sm);
  padding: 1.15rem 3.5rem 1.15rem 1.5rem;
  font-size: 1.02rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

body[data-lang="en"] .search-box-large input {
  padding: 1.15rem 1.5rem 1.15rem 3.5rem;
}

.search-box-large input:focus {
  border-color: var(--accent-gold);
  background-color: var(--bg-elevated);
}

.search-icon-pos {
  position: absolute;
  top: 50%;
  right: 1.25rem;
  transform: translateY(-50%);
  color: var(--accent-gold);
  pointer-events: none;
}

body[data-lang="en"] .search-icon-pos {
  right: auto;
  left: 1.25rem;
}

.clear-search-btn {
  position: absolute;
  top: 50%;
  left: 1.25rem;
  transform: translateY(-50%);
  color: var(--text-muted);
  font-size: 1.3rem;
  padding: 0.25rem 0.5rem;
  cursor: pointer;
}

body[data-lang="en"] .clear-search-btn {
  left: auto;
  right: 1.25rem;
}

/* Category Underline Filters */
.category-filters-row {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
  border-bottom: 1px solid var(--border-hairline);
  padding-bottom: 0.75rem;
}

.cat-filter-btn {
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-muted);
  padding: 0.5rem 0.85rem;
  border-radius: var(--radius-xs);
  transition: color var(--transition-fast), background-color var(--transition-fast);
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
}

.cat-filter-btn:hover {
  color: var(--text-primary);
}

.cat-filter-btn.active {
  color: var(--accent-gold-light);
  background-color: rgba(195, 165, 106, 0.12);
  font-weight: 600;
}

.cat-count-badge {
  font-size: 0.75rem;
  opacity: 0.75;
}

/* Meta & Sorting Controls */
.library-meta-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  font-size: 0.88rem;
  color: var(--text-muted);
  flex-wrap: wrap;
}

.view-toggles {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  background: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  padding: 0.25rem;
  border-radius: var(--radius-xs);
}

.view-btn {
  padding: 0.35rem 0.65rem;
  font-size: 0.8rem;
  font-weight: 600;
  border-radius: 3px;
  color: var(--text-muted);
}

.view-btn.active {
  background-color: var(--bg-elevated);
  color: var(--accent-gold);
}

.sort-group {
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.sort-select {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-xs);
  padding: 0.4rem 0.85rem;
  font-size: 0.84rem;
  color: var(--text-primary);
}

/* --------------------------------------------------------------------------
   Default View: Executive List View
   -------------------------------------------------------------------------- */
.programs-container.view-list {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--border-subtle);
}

.program-list-row {
  display: grid;
  grid-template-columns: 90px 1.4fr 1fr 180px;
  gap: 1.5rem;
  align-items: center;
  padding: 1.5rem 0.75rem;
  border-bottom: 1px solid var(--border-hairline);
  transition: background-color var(--transition-fast);
}

.program-list-row:hover {
  background-color: rgba(244, 239, 232, 0.02);
}

.prog-code {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-gold);
}

.prog-title-group {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.prog-title-btn {
  background: transparent;
  border: none;
  padding: 0;
  margin: 0;
  text-align: inherit;
  font-family: inherit;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
  line-height: 1.4;
  display: inline-block;
}

.prog-title-btn:hover {
  color: var(--accent-gold-light);
}

.prog-title-btn:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 4px;
  border-radius: var(--radius-xs);
}

.prog-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text-primary);
  cursor: pointer;
  transition: color var(--transition-fast);
}

.prog-title:hover {
  color: var(--accent-gold-light);
}

.prog-cat {
  font-size: 0.82rem;
  color: var(--brand-secondary);
  font-weight: 500;
}

.prog-specs-row {
  display: flex;
  align-items: center;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

.prog-actions-cell {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 0.75rem;
}

.btn-details-minimal {
  font-size: 0.84rem;
  font-weight: 600;
  color: var(--text-primary);
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
}

.btn-details-minimal:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold-light);
}

.btn-wa-minimal {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  background-color: rgba(37, 211, 102, 0.12);
  color: #25d366;
  border-radius: var(--radius-xs);
  border: 1px solid rgba(37, 211, 102, 0.25);
  transition: var(--transition-fast);
}

.btn-wa-minimal:hover {
  background-color: #25d366;
  color: #fff;
}

/* --------------------------------------------------------------------------
   Optional View: Clean Grid View
   -------------------------------------------------------------------------- */
.programs-container.view-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 1.5rem;
}

.program-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 1.85rem;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 1.25rem;
  transition: border-color var(--transition-fast), background-color var(--transition-fast);
}

.program-card:hover {
  border-color: var(--border-gold-hairline);
  background-color: var(--bg-elevated);
}

.prog-card-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  margin-bottom: 0.25rem;
}

.prog-card-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.45;
}

.prog-card-objective {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.prog-card-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 1rem;
  border-top: 1px solid var(--border-hairline);
}

/* Pagination / Load More */
.catalog-pagination {
  margin-top: 3.5rem;
  text-align: center;
}

.btn-load-more {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  color: var(--text-primary);
  font-family: var(--font-heading);
  font-weight: 600;
  font-size: 0.95rem;
  padding: 0.9rem 2.2rem;
  border-radius: var(--radius-sm);
  transition: var(--transition-normal);
}

.btn-load-more:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold-light);
  background-color: var(--bg-elevated);
}

/* --------------------------------------------------------------------------
   17. Program Details Side Drawer / Modal
   -------------------------------------------------------------------------- */
.drawer-backdrop {
  position: fixed;
  inset: 0;
  background-color: rgba(10, 8, 12, 0.78);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  z-index: 200;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-normal);
}

.drawer-backdrop.open {
  opacity: 1;
  pointer-events: auto;
}

.program-side-drawer {
  position: fixed;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(640px, 92vw);
  background-color: var(--bg-secondary);
  border-left: 1px solid var(--border-hairline);
  z-index: 210;
  transform: translateX(100%);
  transition: transform var(--transition-normal);
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow-drawer);
}

body[data-lang="en"] .program-side-drawer {
  right: auto;
  left: 0;
  border-left: none;
  border-right: 1px solid var(--border-hairline);
  transform: translateX(-100%);
}

.drawer-backdrop.open .program-side-drawer {
  transform: translateX(0);
}

.drawer-header {
  padding: 1.75rem 2rem;
  border-bottom: 1px solid var(--border-hairline);
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.drawer-meta-tags {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.drawer-close-btn {
  font-size: 1.5rem;
  color: var(--text-muted);
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-xs);
  transition: var(--transition-fast);
}

.drawer-close-btn:hover {
  color: var(--text-primary);
  background-color: rgba(244, 239, 232, 0.08);
}

.drawer-body {
  padding: 2rem;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.drawer-title {
  font-size: 1.55rem;
  font-weight: 800;
  color: var(--text-primary);
  line-height: 1.35;
}

.drawer-section {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.drawer-section-heading {
  font-family: var(--font-heading);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: flex;
  align-items: center;
  gap: 0.5rem;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

.drawer-text {
  font-size: 0.96rem;
  color: var(--text-secondary);
  line-height: 1.85;
}

.drawer-list {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  list-style: none;
}

.drawer-list li {
  position: relative;
  padding-inline-start: 1.25rem;
  font-size: 0.94rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.drawer-list li::before {
  content: "—";
  position: absolute;
  inset-inline-start: 0;
  color: var(--accent-gold);
}

.drawer-footer {
  padding: 1.5rem 2rem;
  border-top: 1px solid var(--border-hairline);
  background-color: var(--bg-elevated);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
}

.btn-drawer-whatsapp {
  flex: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: #25d366;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 0.95rem;
  padding: 0.85rem 1.5rem;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast);
}

.btn-drawer-whatsapp:hover {
  opacity: 0.9;
}

/* --------------------------------------------------------------------------
   18. Why Work with Layla (Editorial 4-Pillars)
   -------------------------------------------------------------------------- */
.why-section {
  background-color: var(--bg-secondary);
}

.why-pillars-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: clamp(1.25rem, 2.5vw, 2rem);
}

.why-pillar-card {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2.2rem 1.8rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.why-num {
  font-family: var(--font-heading);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--accent-gold);
}

.why-title {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
}

.why-desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.75;
}

/* --------------------------------------------------------------------------
   19. Contact Section (09 / CONTACT)
   -------------------------------------------------------------------------- */
.contact-section {
  background-color: var(--bg-primary);
  position: relative;
  overflow: hidden;
}

.contact-layout-grid {
  display: grid;
  grid-template-columns: 0.9fr 1.1fr;
  gap: clamp(2.5rem, 5vw, 4.5rem);
  align-items: start;
}

.contact-info-col {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.contact-lead-statement {
  font-family: var(--font-heading);
  font-size: clamp(1.8rem, 3vw, 2.4rem);
  font-weight: 900;
  color: var(--text-primary);
  line-height: 1.3;
}

.contact-direct-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-md);
  padding: 2.2rem;
  display: flex;
  flex-direction: column;
  gap: 1.25rem;
}

.contact-form-card {
  background-color: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: clamp(2rem, 3.5vw, 3rem);
}

.form-group {
  margin-bottom: 1.35rem;
}

.form-group label {
  display: block;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--text-secondary);
  margin-bottom: 0.45rem;
}

.form-input, .form-select, .form-textarea {
  width: 100%;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.15rem;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: border-color var(--transition-fast);
}

.form-input:focus, .form-select:focus, .form-textarea:focus {
  border-color: var(--accent-gold);
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem;
}

.btn-submit-form {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.65rem;
  background-color: #25d366;
  color: #fff;
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: 1rem;
  padding: 1rem;
  border-radius: var(--radius-sm);
  transition: opacity var(--transition-fast);
  margin-top: 0.5rem;
}

.btn-submit-form:hover {
  opacity: 0.92;
}

/* --------------------------------------------------------------------------
   20. Minimal Executive Footer
   -------------------------------------------------------------------------- */
.main-footer {
  background-color: #0B080D;
  border-top: 1px solid var(--border-hairline);
  padding: 3.5rem 0 2.5rem;
}

.footer-inner {
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.footer-top-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--border-hairline);
}

.footer-nav {
  display: flex;
  align-items: center;
  gap: 1.5rem;
  flex-wrap: wrap;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.footer-nav a:hover {
  color: var(--accent-gold);
}

.footer-bottom-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* --------------------------------------------------------------------------
   21. Single Compact Floating Action
   -------------------------------------------------------------------------- */
.floating-action-single {
  position: fixed;
  bottom: 2rem;
  left: 2rem;
  z-index: 90;
  display: flex;
  align-items: center;
  gap: 0.75rem;
  opacity: 0;
  transform: translateY(20px);
  pointer-events: none;
  transition: opacity var(--transition-normal), transform var(--transition-normal);
}

body[data-lang="en"] .floating-action-single {
  left: auto;
  right: 2rem;
}

.floating-action-single.visible {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}

.btn-floating-wa {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background-color: #25d366;
  color: #fff;
  font-family: var(--font-heading);
  font-size: 0.88rem;
  font-weight: 700;
  padding: 0.75rem 1.25rem;
  border-radius: var(--radius-pill);
  box-shadow: var(--shadow-md);
  transition: transform var(--transition-fast);
}

.btn-floating-wa:hover {
  transform: translateY(-2px);
  color: #fff;
}

.btn-floating-top {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-hairline);
  color: var(--text-primary);
  border-radius: 50%;
  box-shadow: var(--shadow-md);
  transition: var(--transition-fast);
}

.btn-floating-top:hover {
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

/* --------------------------------------------------------------------------
   22. Toast Notifications
   -------------------------------------------------------------------------- */
.toast-container {
  position: fixed;
  bottom: 2rem;
  right: 2rem;
  z-index: 300;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}

body[data-lang="en"] .toast-container {
  right: auto;
  left: 2rem;
}

.toast {
  background-color: var(--bg-elevated);
  color: var(--text-primary);
  border: 1px solid var(--border-gold-hairline);
  border-radius: var(--radius-sm);
  padding: 0.85rem 1.35rem;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lg);
  display: flex;
  align-items: center;
  gap: 0.65rem;
  animation: slideInToast 0.35s var(--ease-executive);
}

@keyframes slideInToast {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

/* --------------------------------------------------------------------------
   23. Responsive Media Queries
   -------------------------------------------------------------------------- */
@media (max-width: 1080px) {
  .hero-grid {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .hero-portrait-wrapper {
    order: -1;
    max-height: 480px;
  }

  .hero-portrait-wrapper::before {
    inset: -6% -10% 0 -10%;
    filter: blur(22px);
    opacity: 0.75;
  }

  .hero-portrait-wrapper::after {
    opacity: 0.025;
    width: 65%;
    height: 65%;
  }

  .about-editorial-grid,
  .expertise-interactive-layout,
  .contact-layout-grid {
    grid-template-columns: 1fr;
  }

  .expertise-display-panel {
    position: static;
  }

  .credentials-registry-grid,
  .global-layout-grid,
  .recognition-columns-grid,
  .why-pillars-grid {
    grid-template-columns: 1fr;
  }

  .hero-metrics-row {
    grid-template-columns: repeat(2, 1fr);
  }

  .program-list-row {
    grid-template-columns: 70px 1fr 140px;
  }

  .prog-specs-row {
    display: none;
  }
}

@media (max-width: 820px) {
  .nav-menu {
    display: none;
  }

  .mobile-toggle {
    display: flex;
  }

  .index-row {
    grid-template-columns: 50px 1fr 30px;
  }

  .index-meta {
    display: none;
  }

  .edu-record-row {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .journey-item {
    grid-template-columns: 1fr;
    gap: 0.5rem;
  }

  .journey-timeline-wrapper {
    padding-inline-start: 1.5rem;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .program-list-row {
    grid-template-columns: 1fr;
    gap: 0.75rem;
  }

  .prog-actions-cell {
    justify-content: flex-start;
  }
}

/* --------------------------------------------------------------------------
   24. Accessibility & prefers-reduced-motion
   -------------------------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
    scroll-behavior: auto !important;
  }

  .knowledge-ribbon-track {
    animation: none !important;
  }
}