/* ============================================
   Wealth Egypt — Black & White Minimal
   ============================================ */

:root {
  --black: #0a0a0a;
  --white: #ffffff;
  --gray: #6b6b6b;
  --gray-light: #a3a3a3;
  --border: #e5e5e5;
  --border-dark: rgba(255, 255, 255, 0.18);
  --font-head: 'Space Grotesk', 'Segoe UI', sans-serif;
  --font-body: 'Inter', 'Segoe UI', sans-serif;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.7;
  color: var(--black);
  background: var(--white);
  -webkit-font-smoothing: antialiased;
}

.container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ---------- Navigation ---------- */
.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav-container {
  max-width: 1140px;
  margin: 0 auto;
  padding: 0 24px;
  height: 68px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1.15rem;
  letter-spacing: -0.02em;
  color: var(--black);
  text-decoration: none;
  text-transform: uppercase;
}

.logo-mark {
  height: 22px;
  width: auto;
  display: block;
  flex-shrink: 0;
}

.nav-links {
  display: flex;
  gap: 36px;
  list-style: none;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--gray);
  text-decoration: none;
  transition: color 0.2s ease;
}

.nav-links a:hover {
  color: var(--black);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: none;
  border: none;
  cursor: pointer;
  padding: 8px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--black);
  transition: transform 0.25s ease, opacity 0.25s ease;
}

.nav-toggle.open span:first-child {
  transform: translateY(3.75px) rotate(45deg);
}

.nav-toggle.open span:last-child {
  transform: translateY(-3.75px) rotate(-45deg);
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-size: 0.95rem;
  font-weight: 500;
  padding: 14px 28px;
  text-decoration: none;
  border: 1px solid var(--black);
  cursor: pointer;
  transition: background 0.2s ease, color 0.2s ease;
}

.btn svg {
  transition: transform 0.2s ease;
}

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

.btn-dark {
  background: var(--black);
  color: var(--white);
}

.btn-dark:hover {
  background: var(--white);
  color: var(--black);
}

.btn-light {
  background: var(--white);
  color: var(--black);
  border-color: var(--white);
}

.btn-light:hover {
  background: transparent;
  color: var(--white);
}

/* ---------- Hero ---------- */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 140px 0 80px;
}

.hero-headline {
  font-family: var(--font-head);
  font-size: clamp(2.8rem, 7.5vw, 5.5rem);
  font-weight: 500;
  line-height: 1.05;
  letter-spacing: -0.03em;
  margin-bottom: 32px;
}

.hero-desc {
  font-size: 1.15rem;
  color: var(--gray);
  max-width: 540px;
  margin-bottom: 44px;
}

/* ---------- Sections ---------- */
.section {
  padding: 130px 0;
  border-top: 1px solid var(--border);
}

.section-dark {
  background: var(--black);
  color: var(--white);
  border-top: none;
}

.section-label {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.22em;
  color: var(--gray-light);
  margin-bottom: 24px;
}

.section-heading {
  font-family: var(--font-head);
  font-size: clamp(1.9rem, 4vw, 3rem);
  font-weight: 500;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 24px;
  max-width: 760px;
}

.section-intro {
  font-size: 1.05rem;
  color: var(--gray);
  max-width: 560px;
  margin-bottom: 72px;
}

.section-dark .section-intro {
  color: var(--gray-light);
}

/* ---------- About ---------- */
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: start;
}

.about-text {
  font-size: 1.05rem;
  color: var(--gray);
}

.about-text + .about-text {
  margin-top: 20px;
}

/* ---------- Ecosystem ---------- */
.eco-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1px;
  background: var(--border-dark);
  border: 1px solid var(--border-dark);
}

.eco-card {
  background: var(--black);
  padding: 44px 36px;
  display: flex;
  flex-direction: column;
}

.eco-number {
  font-family: var(--font-head);
  font-size: 0.85rem;
  color: var(--gray);
  margin-bottom: 28px;
}

.eco-title {
  font-family: var(--font-head);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  margin-bottom: 6px;
}

.eco-type {
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gray-light);
  margin-bottom: 20px;
}

.eco-desc {
  font-size: 0.95rem;
  color: var(--gray-light);
  margin-bottom: 32px;
  flex-grow: 1;
}

.eco-projects {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.eco-tag {
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--white);
  text-decoration: none;
  padding: 7px 14px;
  border: 1px solid var(--border-dark);
  transition: background 0.2s ease, color 0.2s ease;
}

a.eco-tag:hover {
  background: var(--white);
  color: var(--black);
}

.eco-tag-soon {
  color: var(--gray-light);
  border-style: dashed;
}

/* ---------- Portfolio ---------- */
.portfolio-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}

.project-card {
  display: flex;
  flex-direction: column;
  padding: 40px 36px;
  border: 1px solid var(--border);
  text-decoration: none;
  color: var(--black);
  transition: border-color 0.2s ease, transform 0.2s ease;
}

a.project-card:hover {
  border-color: var(--black);
  transform: translateY(-4px);
}

.project-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 16px;
}

.project-name {
  font-family: var(--font-head);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
}

.project-tag {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--gray-light);
}

.project-desc {
  font-size: 0.95rem;
  color: var(--gray);
  margin-bottom: 28px;
  flex-grow: 1;
}

.project-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.85rem;
  font-weight: 600;
}

.project-link-soon {
  color: var(--gray-light);
}

/* ---------- Contact ---------- */
.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.2fr;
  gap: 80px;
  align-items: start;
}

.contact-desc {
  color: var(--gray-light);
  margin-bottom: 40px;
  max-width: 380px;
}

.contact-detail {
  display: flex;
  flex-direction: column;
  gap: 4px;
  font-size: 0.95rem;
}

.contact-label {
  font-size: 0.72rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--gray);
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--gray-light);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  font-family: var(--font-body);
  font-size: 0.95rem;
  color: var(--white);
  background: transparent;
  border: 1px solid var(--border-dark);
  padding: 13px 16px;
  outline: none;
  transition: border-color 0.2s ease;
  resize: vertical;
}

.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--white);
}

.form-success {
  border: 1px solid var(--border-dark);
  padding: 14px 18px;
  margin-bottom: 24px;
  font-size: 0.9rem;
}

/* ---------- Footer ---------- */
.footer {
  background: var(--black);
  color: var(--white);
  border-top: 1px solid var(--border-dark);
  padding: 48px 0;
}

.footer-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 24px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: -0.01em;
  text-transform: uppercase;
}

.footer-brand .logo-mark {
  height: 20px;
}

.footer-links {
  display: flex;
  gap: 28px;
  list-style: none;
}

.footer-links a {
  font-size: 0.85rem;
  color: var(--gray-light);
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--white);
}

.footer-copy {
  font-size: 0.8rem;
  color: var(--gray);
}

/* ---------- Animations ---------- */
.fade-in {
  opacity: 0;
  transform: translateY(24px);
  transition: opacity 0.7s ease, transform 0.7s ease;
}

.fade-in.visible {
  opacity: 1;
  transform: translateY(0);
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  .fade-in {
    opacity: 1;
    transform: none;
    transition: none;
  }
}

/* ---------- Responsive ---------- */
@media (max-width: 900px) {
  .eco-grid {
    grid-template-columns: 1fr;
  }

  .about-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }

  .section {
    padding: 90px 0;
  }
}

@media (max-width: 680px) {
  .nav-toggle {
    display: flex;
  }

  .nav-links {
    position: absolute;
    top: 68px;
    left: 0;
    right: 0;
    flex-direction: column;
    gap: 0;
    background: var(--white);
    border-bottom: 1px solid var(--border);
    display: none;
  }

  .nav-links.open {
    display: flex;
  }

  .nav-links li {
    border-top: 1px solid var(--border);
  }

  .nav-links a {
    display: block;
    padding: 16px 24px;
  }

  .portfolio-grid {
    grid-template-columns: 1fr;
  }

  .contact-form .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .footer-inner {
    flex-direction: column;
    align-items: flex-start;
  }
}