/*
Theme Name: CostLogic
Theme URI: https://costlogic.ir
Author: CostLogic Team
Description: قالب اختصاصی کاست‌لاجیک برای خدمات مالی و سیستم‌های ERP
Version: 1.0
Text Domain: costlogic
*/

/* ============================================================
   CostLogic — Financial & ERP Consulting Website
   Design System: NomadKit-inspired (Warm Sand + Ocean + Forest)
   RTL Support for Persian Language
   ============================================================ */

/* --- 1. CSS Variables & Fonts --- */
@import url('https://cdn.jsdelivr.net/gh/rastikerdar/vazirmatn@v33.003/Vazirmatn-font-face.css');

:root {
  --font-primary: 'Vazirmatn', 'Segoe UI', Tahoma, sans-serif;
  --font-mono: 'Cascadia Code', 'Fira Code', 'Consolas', monospace;

  /* NomadKit Palette */
  --color-sand:        #D4A373;
  --color-sand-light:  #F5E6D3;
  --color-sand-dim:    rgba(212, 163, 115, 0.12);
  --color-ocean:       #0891B2;
  --color-ocean-light: rgba(8, 145, 178, 0.08);
  --color-ocean-dark:  #0E7490;
  --color-forest:      #166534;
  --color-forest-light: rgba(22, 101, 52, 0.08);

  --color-bg:          #FFFDF7;
  --color-surface:     #FFFFFF;
  --color-surface-alt: #FAF7F2;
  --color-border:      #E8E0D5;
  --color-border-light:#F0EBE3;

  --color-text-primary:    #2D2A26;
  --color-text-secondary:  #6B6560;
  --color-text-muted:      #9E9790;

  --color-success:  #166534;
  --color-warning:  #CA8A04;
  --color-error:    #DC2626;
  --color-info:     #0891B2;

  /* Legacy aliases for backward compat */
  --color-accent:        var(--color-sand);
  --color-accent-hover:  #C08F5C;
  --color-accent-glow:   rgba(212, 163, 115, 0.3);
  --color-accent-dim:    var(--color-sand-dim);
  --color-dark-bg:       #2D2A26;
  --color-dark-surface:  #38342F;
  --color-dark-card:     #423D38;
  --color-dark-border:   #534D47;
  --color-light-bg:      var(--color-bg);
  --color-light-surface: var(--color-surface);
  --color-light-border:  var(--color-border);
  --color-text-dark:             var(--color-text-primary);
  --color-text-dark-secondary:    var(--color-text-secondary);

  --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-smooth: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-bounce: 0.5s cubic-bezier(0.34, 1.56, 0.64, 1);

  --max-width: 1320px;
  --header-height: 72px;
  --section-padding: 100px 0;
}

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

html {
  scroll-behavior: smooth;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-primary);
  direction: rtl;
  text-align: right;
  background-color: var(--color-bg);
  color: var(--color-text-primary);
  line-height: 1.75;
  overflow-x: hidden;
}

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

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

ul { list-style: none; }

.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

/* --- 3. Typography --- */
.section-label {
  display: inline-block;
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--color-sand);
  text-transform: uppercase;
  margin-bottom: 12px;
  position: relative;
  padding-right: 28px;
}

.section-label::before {
  content: '';
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 18px;
  height: 2px;
  background: var(--color-sand);
}

.section-title {
  font-size: clamp(1.6rem, 3.5vw, 2.6rem);
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 0.75rem;
  letter-spacing: -0.02em;
  color: var(--color-text-primary);
}

.section-subtitle {
  font-size: 1.05rem;
  color: var(--color-text-secondary);
  max-width: 640px;
  line-height: 2;
}

/* --- 4. Header & Navigation --- */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  height: var(--header-height);
  background: rgba(255, 253, 247, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--color-border-light);
  transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
}

.site-header.scrolled {
  background: rgba(255, 253, 247, 0.97);
  box-shadow: 0 1px 20px rgba(0,0,0,0.04);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--color-text-primary);
  letter-spacing: -0.03em;
}

.logo-dot {
  display: inline-block;
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--color-sand);
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}

.nav-link {
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--color-text-secondary);
  padding: 8px 0;
  position: relative;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 2px; right: 0;
  width: 0; height: 2px;
  background: var(--color-sand);
  transition: width var(--transition-smooth);
}

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

.nav-link:hover::after,
.nav-link.active::after {
  width: 100%;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 22px;
  background: var(--color-sand);
  border: 2px solid var(--color-sand);
  color: #fff;
  border-radius: 8px;
  font-size: 0.84rem;
  font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}

.nav-cta:hover {
  background: #C08F5C;
  border-color: #C08F5C;
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(212, 163, 115, 0.35);
}

/* Mega Menu Trigger */
.mega-menu-trigger { cursor: pointer; display: flex; align-items: center; gap: 4px; }
.mega-menu-trigger .chevron { display: inline-block; transition: transform var(--transition-smooth); font-size: 0.65rem; }
.mega-menu-trigger.active .chevron { transform: rotate(180deg); }

/* Hamburger (Mobile) */
.hamburger {
  display: none; flex-direction: column; gap: 5px;
  cursor: pointer; background: none; border: none; padding: 4px;
}
.hamburger span {
  display: block; width: 24px; height: 2px;
  background: var(--color-text-primary); border-radius: 2px;
  transition: all var(--transition-fast);
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* --- 5. Mega Menu --- */
.mega-menu {
  position: fixed;
  top: var(--header-height); left: 0; right: 0;
  background: rgba(255, 253, 247, 0.98);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid var(--color-border);
  padding: 40px 0;
  z-index: 999;
  opacity: 0; visibility: hidden;
  transform: translateY(-8px);
  transition: all var(--transition-smooth);
}
.mega-menu.open { opacity: 1; visibility: visible; transform: translateY(0); }

.mega-menu-inner {
  max-width: var(--max-width);
  margin: 0 auto; padding: 0 24px;
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px;
}

.mega-menu-column h3 {
  font-size: 0.72rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--color-sand); margin-bottom: 16px;
}

.mega-menu-column ul { display: flex; flex-direction: column; gap: 10px; }

.mega-menu-column ul li a {
  font-size: 0.9rem; color: var(--color-text-secondary);
  transition: color var(--transition-fast), padding var(--transition-fast);
  display: inline-block; padding: 3px 0;
}
.mega-menu-column ul li a:hover { color: var(--color-text-primary); padding-right: 6px; }

/* --- 6. Hero Section --- */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--color-bg);
  padding-top: var(--header-height);
}

.hero-bg {
  position: absolute; inset: 0; z-index: 0;
  background:
    radial-gradient(ellipse 70% 70% at 25% 35%, rgba(212, 163, 115, 0.08) 0%, transparent 60%),
    radial-gradient(ellipse 50% 60% at 75% 65%, rgba(8, 145, 178, 0.05) 0%, transparent 50%);
}

.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 60%, var(--color-bg) 100%);
  z-index: 1;
}

.hero-content {
  position: relative; z-index: 2;
  padding: 80px 0;
}

.hero-badge {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--color-sand-dim);
  border: 1px solid rgba(212, 163, 115, 0.25);
  padding: 8px 18px; border-radius: 50px;
  font-size: 0.85rem; color: var(--color-sand); font-weight: 600;
  margin-bottom: 28px;
}

.hero-badge-dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--color-sand);
  animation: pulse-dot 2s infinite;
}

@keyframes pulse-dot {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.5; transform: scale(1.3); }
}

.hero h1 {
  font-size: clamp(2rem, 5vw, 3.8rem);
  font-weight: 900; line-height: 1.18;
  letter-spacing: -0.02em;
  max-width: 850px; margin-bottom: 20px;
  color: var(--color-text-primary);
}

.hero h1 .highlight {
  color: var(--color-sand);
  background: linear-gradient(180deg, transparent 60%, rgba(212, 163, 115, 0.2) 60%);
  padding: 0 4px;
}

.hero-subtitle {
  font-size: 1.15rem; color: var(--color-text-secondary);
  max-width: 620px; line-height: 2.1; margin-bottom: 36px;
}

.hero-actions {
  display: flex; gap: 14px; flex-wrap: wrap;
}

.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 30px;
  background: var(--color-sand);
  color: #fff;
  border: none; border-radius: 8px;
  font-size: 0.93rem; font-weight: 700;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
  box-shadow: 0 4px 18px rgba(212, 163, 115, 0.3);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 30px rgba(212, 163, 115, 0.4);
  background: #C08F5C;
}

.btn-secondary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 15px 30px;
  background: transparent;
  color: var(--color-text-primary);
  border: 2px solid var(--color-border);
  border-radius: 8px;
  font-size: 0.93rem; font-weight: 600;
  cursor: pointer;
  transition: all var(--transition-fast);
  font-family: var(--font-primary);
}
.btn-secondary:hover { border-color: var(--color-sand); background: var(--color-sand-dim); }

.scroll-indicator {
  position: absolute; bottom: 36px; left: 50%;
  transform: translateX(-50%); z-index: 2;
  display: flex; flex-direction: column; align-items: center; gap: 8px;
}
.scroll-indicator span {
  font-size: 0.68rem; text-transform: uppercase;
  letter-spacing: 0.2em; color: var(--color-text-muted);
}
.scroll-line {
  width: 1px; height: 36px;
  background: linear-gradient(to bottom, var(--color-sand), transparent);
  animation: scroll-line 2s infinite;
}

@keyframes scroll-line {
  0% { transform: scaleY(0); transform-origin: top; }
  50% { transform: scaleY(1); transform-origin: top; }
  50.01% { transform: scaleY(1); transform-origin: bottom; }
  100% { transform: scaleY(0); transform-origin: bottom; }
}

/* --- 7. About Section --- */
.about {
  padding: var(--section-padding);
  background: var(--color-surface);
  color: var(--color-text-primary);
}

.about .section-label { color: var(--color-sand); }
.about .section-label::before { background: var(--color-sand); }

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-top: 48px;
}

.about-visual { position: relative; border-radius: 20px; overflow: hidden; }

.about-visual-box {
  background: var(--color-dark-bg);
  border-radius: 20px;
  padding: 44px;
  min-height: 340px;
  display: flex;
  flex-direction: column;
  justify-content: center;
  border: 1px solid var(--color-dark-border);
}

.about-visual-inner {
  background: rgba(45, 42, 38, 0.85);
  border-radius: 14px;
  padding: 28px;
}

.about-stat-highlight {
  font-size: 3.2rem;
  font-weight: 900;
  color: var(--color-sand);
  line-height: 1;
}

.about-stat-label {
  font-size: 0.95rem;
  color: #B8B0A8;
  margin-top: 10px;
}

.about-metrics {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  margin-top: 20px;
}

.about-metric {
  background: rgba(255,255,255,0.05);
  border-radius: 10px;
  padding: 14px;
  text-align: center;
}

.about-metric-value {
  font-size: 1.4rem;
  font-weight: 800;
  color: var(--color-sand);
}

.about-metric-label {
  font-size: 0.75rem;
  color: #9E9790;
  margin-top: 2px;
}

.about-text h2 { color: var(--color-text-primary); }
.about-text .section-subtitle { color: var(--color-text-secondary); }

.about-features {
  display: flex; flex-direction: column; gap: 14px; margin-top: 28px;
}

.about-feature {
  display: flex; align-items: flex-start; gap: 12px;
}

.about-feature-icon {
  flex-shrink: 0;
  width: 26px; height: 26px;
  border-radius: 8px;
  background: var(--color-sand-dim);
  color: var(--color-sand);
  display: flex; align-items: center; justify-content: center;
  font-size: 0.75rem; font-weight: 700;
  margin-top: 2px;
}

.about-feature-text strong {
  display: block; font-size: 0.93rem;
  color: var(--color-text-primary); margin-bottom: 2px;
}

.about-feature-text span {
  font-size: 0.83rem; color: var(--color-text-secondary);
}

/* --- 8. Services Section --- */
.services {
  padding: var(--section-padding);
  background: var(--color-surface-alt);
}

.services-header {
  text-align: center; margin-bottom: 56px;
}
.services-header .section-subtitle { margin: 0 auto; }

.services-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

.service-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 36px 28px;
  transition: all var(--transition-smooth);
  cursor: pointer;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0;
  height: 3px;
  background: linear-gradient(to left, var(--color-sand), rgba(212, 163, 115, 0.2));
  opacity: 0;
  transition: opacity var(--transition-smooth);
}

.service-card:hover {
  border-color: rgba(212, 163, 115, 0.4);
  transform: translateY(-4px);
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
}

.service-card:hover::before { opacity: 1; }

.service-icon {
  width: 48px; height: 48px; border-radius: 12px;
  background: var(--color-sand-dim);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 20px;
  transition: all var(--transition-smooth);
}

.service-card:hover .service-icon {
  background: rgba(212, 163, 115, 0.2);
}

.service-card h3 {
  font-size: 1.2rem; font-weight: 700;
  margin-bottom: 10px; color: var(--color-text-primary);
}

.service-card p {
  font-size: 0.88rem; color: var(--color-text-secondary);
  line-height: 1.9; margin-bottom: 18px;
}

.service-features { display: flex; flex-direction: column; gap: 9px; }

.service-features li {
  font-size: 0.83rem; color: var(--color-text-secondary);
  display: flex; align-items: flex-start; gap: 8px;
}

.service-features li::before {
  content: '→'; color: var(--color-sand); font-weight: 700; flex-shrink: 0;
}

/* --- 9. Stats Section --- */
.stats {
  padding: 72px 0;
  background: var(--color-dark-bg);
  border-top: 1px solid var(--color-dark-border);
  border-bottom: 1px solid var(--color-dark-border);
}

.stats-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center;
}

.stat-item { padding: 20px; }

.stat-number {
  font-size: 2.6rem; font-weight: 900;
  color: var(--color-sand); line-height: 1; margin-bottom: 6px;
}

.stat-suffix { font-size: 1.3rem; }

.stat-label { font-size: 0.85rem; color: #B8B0A8; }

/* --- 10. Case Studies Section --- */
.case-studies {
  padding: var(--section-padding);
  background: var(--color-bg);
}

.case-studies-header { margin-bottom: 52px; }

.case-studies-grid {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px;
}

.case-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  overflow: hidden;
  transition: all var(--transition-smooth);
  cursor: pointer;
}

.case-card:hover {
  transform: translateY(-4px);
  border-color: rgba(212, 163, 115, 0.3);
  box-shadow: 0 16px 40px rgba(0,0,0,0.06);
}

.case-card-image {
  height: 160px;
  background: linear-gradient(135deg, #F5E6D3 0%, #E8D5C0 50%, #FAF7F2 100%);
  display: flex; align-items: center; justify-content: center;
  font-size: 2.4rem;
  position: relative; overflow: hidden;
}

.case-card-image::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(to bottom, transparent 50%, var(--color-surface) 100%);
}

.case-card-body { padding: 22px; }

.case-card-tag {
  display: inline-block;
  font-size: 0.72rem; font-weight: 700;
  color: var(--color-sand);
  background: var(--color-sand-dim);
  padding: 4px 12px; border-radius: 50px; margin-bottom: 10px;
}

.case-card h3 {
  font-size: 1.05rem; font-weight: 700; margin-bottom: 6px;
  color: var(--color-text-primary);
}

.case-card p {
  font-size: 0.83rem; color: var(--color-text-secondary);
  line-height: 1.85;
}

/* --- 11. Tech Stack Section --- */
.tech-stack {
  padding: var(--section-padding);
  background: var(--color-surface);
}

.tech-stack .section-title { color: var(--color-text-primary); }
.tech-stack .section-subtitle { color: var(--color-text-secondary); }

.tech-grid {
  display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; margin-top: 40px;
}

.tech-card {
  background: var(--color-bg);
  border: 1px solid var(--color-border-light);
  border-radius: 14px;
  padding: 30px 20px;
  text-align: center;
  transition: all var(--transition-smooth);
}

.tech-card:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.06);
  border-color: var(--color-sand);
}

.tech-card-icon { font-size: 1.8rem; margin-bottom: 14px; display: block; }

.tech-card h4 {
  font-size: 0.95rem; font-weight: 700; margin-bottom: 6px;
  color: var(--color-text-primary);
}

.tech-card p {
  font-size: 0.78rem; color: var(--color-text-secondary); line-height: 1.7;
}

/* --- 12. Consultants Section --- */
.consultants {
  padding: var(--section-padding);
  background: var(--color-surface-alt);
}

.consultants-header { margin-bottom: 40px; }

.consultants-grid {
  display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px;
  max-width: 780px; margin: 0 auto;
}

.consultant-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border-light);
  border-radius: 16px;
  padding: 28px;
  display: flex; align-items: center; gap: 18px;
  cursor: pointer;
  transition: all var(--transition-smooth);
}

.consultant-card:hover {
  border-color: rgba(212, 163, 115, 0.4);
  transform: translateY(-3px);
  box-shadow: 0 14px 36px rgba(0,0,0,0.06);
}

.consultant-avatar {
  width: 68px; height: 68px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-sand-dim), rgba(212,163,115,0.25));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; font-weight: 800;
  color: var(--color-sand);
  flex-shrink: 0;
  border: 2px solid rgba(212, 163, 115, 0.2);
}

.consultant-info h3 {
  font-size: 1.05rem; font-weight: 700;
  margin-bottom: 2px; color: var(--color-text-primary);
}

.consultant-info .consultant-role {
  font-size: 0.82rem; color: var(--color-sand); margin-bottom: 2px; font-weight: 600;
}

.consultant-info .consultant-bio {
  font-size: 0.78rem; color: var(--color-text-muted);
}

.consultant-arrow {
  margin-right: auto; color: var(--color-text-muted);
  font-size: 1.1rem;
  transition: transform var(--transition-fast), color var(--transition-fast);
}

.consultant-card:hover .consultant-arrow {
  transform: translateX(3px); color: var(--color-sand);
}

/* --- 13. CTA Section --- */
.cta-section {
  padding: var(--section-padding);
  background: var(--color-dark-bg);
  position: relative; overflow: hidden;
  color: #fff;
}

.cta-section::before {
  content: '';
  position: absolute; top: 0; left: 50%; transform: translateX(-50%);
  width: 500px; height: 500px; border-radius: 50%;
  background: radial-gradient(circle, rgba(212, 163, 115, 0.15) 0%, transparent 70%);
  pointer-events: none;
}

.cta-inner {
  position: relative; z-index: 1;
  text-align: center; max-width: 640px; margin: 0 auto;
}

.cta-inner h2 {
  font-size: clamp(1.4rem, 2.8vw, 2rem);
  font-weight: 800; margin-bottom: 12px;
}

.cta-inner p {
  font-size: 1rem; color: #B8B0A8; margin-bottom: 28px; line-height: 2;
}

.cta-form {
  display: flex; gap: 10px; max-width: 460px; margin: 0 auto;
  flex-wrap: wrap; justify-content: center;
}

.cta-form input {
  flex: 1; min-width: 200px;
  padding: 14px 18px;
  border: 1.5px solid var(--color-dark-border);
  border-radius: 8px;
  background: var(--color-dark-card);
  color: #fff;
  font-size: 0.9rem;
  font-family: var(--font-primary);
  outline: none;
  transition: border-color var(--transition-fast);
}

.cta-form input:focus { border-color: var(--color-sand); }
.cta-form input::placeholder { color: #9E9790; }
.cta-form button { padding: 14px 26px; white-space: nowrap; }

/* --- 14. Footer --- */
.site-footer {
  background: var(--color-dark-bg);
  padding: 72px 0 36px;
  border-top: 1px solid var(--color-dark-border);
  color: #fff;
}

.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px;
}

.footer-brand p {
  color: #9E9790; font-size: 0.85rem; margin-top: 14px; line-height: 1.85;
}

.footer-column h4 {
  font-size: 0.75rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.08em; color: #fff; margin-bottom: 16px;
}

.footer-column ul { display: flex; flex-direction: column; gap: 9px; }

.footer-column ul li a {
  font-size: 0.85rem; color: #9E9790; transition: color var(--transition-fast);
}
.footer-column ul li a:hover { color: var(--color-sand); }

.footer-bottom {
  padding-top: 28px;
  border-top: 1px solid var(--color-dark-border);
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 14px;
}

.footer-bottom p { font-size: 0.82rem; color: #9E9790; }

.footer-social { display: flex; gap: 14px; }

.footer-social a {
  font-size: 0.82rem; color: #9E9790; transition: color var(--transition-fast);
}
.footer-social a:hover { color: var(--color-sand); }

/* --- 15. Resume Page Styles --- */
.resume-page {
  padding: 120px 0 80px;
  min-height: 100vh;
  background: var(--color-bg);
  color: var(--color-text-primary);
}

.resume-page .container { max-width: 820px; }

.resume-back {
  display: inline-flex; align-items: center; gap: 6px;
  color: var(--color-sand); font-size: 0.88rem; font-weight: 600;
  margin-bottom: 36px;
  transition: gap var(--transition-fast);
}
.resume-back:hover { gap: 10px; }

.resume-hero {
  display: flex; align-items: center; gap: 24px;
  margin-bottom: 44px; padding-bottom: 28px;
  border-bottom: 1px solid var(--color-border-light);
}

.resume-avatar-lg {
  width: 96px; height: 96px; border-radius: 50%;
  background: linear-gradient(135deg, var(--color-sand-dim), rgba(212,163,115,0.25));
  display: flex; align-items: center; justify-content: center;
  font-size: 1.9rem; font-weight: 800;
  color: var(--color-sand);
  flex-shrink: 0;
}

.resume-hero-info h1 {
  font-size: 1.7rem; font-weight: 800;
  color: var(--color-text-primary); margin-bottom: 2px;
}

.resume-hero-info .role {
  font-size: 0.95rem; color: var(--color-sand); font-weight: 600; margin-bottom: 2px;
}

.resume-hero-info .location {
  font-size: 0.82rem; color: var(--color-text-secondary);
}

.resume-section { margin-bottom: 36px; }

.resume-section h2 {
  font-size: 1.15rem; font-weight: 700;
  color: var(--color-text-primary); margin-bottom: 14px;
  display: flex; align-items: center; gap: 8px;
}
.resume-section h2 .resume-icon { font-size: 1rem; }

.resume-section p {
  font-size: 0.92rem; color: var(--color-text-secondary); line-height: 2;
}

.resume-skills { display: flex; flex-wrap: wrap; gap: 8px; }

.resume-skill-tag {
  padding: 6px 14px;
  background: var(--color-sand-dim);
  border: 1px solid rgba(212, 163, 115, 0.2);
  border-radius: 50px;
  font-size: 0.78rem; color: var(--color-sand); font-weight: 500;
}

.resume-timeline { display: flex; flex-direction: column; gap: 22px; }

.resume-timeline-item {
  padding-right: 18px;
  border-right: 2px solid var(--color-border-light);
  position: relative;
}

.resume-timeline-item::before {
  content: '';
  position: absolute; right: -5px; top: 6px;
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-sand);
}

.resume-timeline-item .period {
  font-size: 0.78rem; color: var(--color-sand); font-weight: 600; margin-bottom: 2px;
}

.resume-timeline-item h3 {
  font-size: 0.95rem; font-weight: 700;
  color: var(--color-text-primary); margin-bottom: 2px;
}

.resume-timeline-item .org {
  font-size: 0.82rem; color: var(--color-text-secondary); margin-bottom: 4px;
}

.resume-timeline-item p {
  font-size: 0.83rem; color: var(--color-text-secondary); line-height: 1.85;
}

.resume-contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }

.resume-contact-item {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.88rem; color: var(--color-text-secondary);
}
.resume-contact-item .icon { color: var(--color-sand); }

/* --- 16. Page Header --- */
.page-header {
  padding: 120px 0 56px; background: var(--color-bg); text-align: center;
}
.page-header h1 {
  font-size: clamp(1.6rem, 3.5vw, 2.5rem);
  font-weight: 900; margin-bottom: 10px; color: var(--color-text-primary);
}
.page-header p {
  font-size: 0.95rem; color: var(--color-text-secondary); max-width: 460px; margin: 0 auto;
}

/* --- 17. Animations --- */
.animate-on-scroll {
  opacity: 0; transform: translateY(24px);
  transition: opacity 0.6s cubic-bezier(0.4, 0, 0.2, 1),
              transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.animate-on-scroll.visible { opacity: 1; transform: translateY(0); }

.animate-on-scroll[data-delay="100"] { transition-delay: 0.1s; }
.animate-on-scroll[data-delay="200"] { transition-delay: 0.2s; }
.animate-on-scroll[data-delay="300"] { transition-delay: 0.3s; }
.animate-on-scroll[data-delay="400"] { transition-delay: 0.4s; }
.animate-on-scroll[data-delay="500"] { transition-delay: 0.5s; }

/* --- 18. Responsive --- */
@media (max-width: 1200px) {
  .services-grid, .case-studies-grid { grid-template-columns: repeat(2, 1fr); }
  .tech-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 900px) {
  :root { --section-padding: 72px 0; }

  .main-nav { display: none; }
  .hamburger { display: flex; }

  .main-nav.mobile-open {
    display: flex; flex-direction: column;
    position: fixed; top: var(--header-height); right: 0; left: 0; bottom: 0;
    background: var(--color-surface); padding: 24px 20px;
    gap: 4px; align-items: stretch; overflow-y: auto;
  }
  .main-nav.mobile-open .nav-link {
    padding: 12px 0; font-size: 1.05rem;
    border-bottom: 1px solid var(--color-border-light);
  }
  .main-nav.mobile-open .nav-cta {
    margin-top: 12px; text-align: center; justify-content: center;
  }
  .mega-menu { display: none !important; }

  .about-grid { grid-template-columns: 1fr; gap: 36px; }
  .services-grid, .case-studies-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .consultants-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }

  .hero h1 { font-size: clamp(1.5rem, 6vw, 2.4rem); }
  .hero-subtitle { font-size: 0.95rem; }
  .about-visual-box { min-height: 260px; padding: 28px; }

  .resume-hero { flex-direction: column; text-align: center; gap: 14px; }
  .resume-contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 600px) {
  .hero-actions { flex-direction: column; }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary { width: 100%; justify-content: center; }
  .cta-form { flex-direction: column; }
  .cta-form input { min-width: 100%; }
  .cta-form button { width: 100%; justify-content: center; }
  .section-title { font-size: 1.4rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 1.8rem; }
}

/* --- 19. Utility --- */
.text-accent { color: var(--color-sand); }
.text-center { text-align: center; }
.text-white { color: #fff; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mt-4 { margin-top: 32px; }
.mt-5 { margin-top: 48px; }
.mb-1 { margin-bottom: 8px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.mb-4 { margin-bottom: 32px; }
.mb-5 { margin-bottom: 48px; }