/* ============================================================
   Cheetah Trading – Main Stylesheet
   ============================================================ */

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

:root {
  --clr-primary:    #D4A017;   /* cheetah gold */
  --clr-primary-dk: #B8860B;
  --clr-dark:       #0F1117;
  --clr-surface:    #161B27;
  --clr-surface2:   #1E2535;
  --clr-text:       #E8ECF4;
  --clr-muted:      #8B93A8;
  --clr-border:     #252C3E;
  --radius:         8px;
  --max-w:          1160px;
  --nav-h:          72px;
  --transition:     0.25s ease;
  --font-main:      'Inter', 'Helvetica Neue', Arial, sans-serif;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  font-family: var(--font-main);
  background: var(--clr-dark);
  color: var(--clr-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--clr-primary);
  text-decoration: none;
  transition: color var(--transition);
}

a:hover {
  color: var(--clr-primary-dk);
}

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

ul {
  list-style: none;
}

/* ---------- Typography ---------- */
h1, h2, h3, h4 {
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); }
h3 { font-size: 1.25rem; }

p {
  color: var(--clr-muted);
  max-width: 65ch;
}

/* ---------- Layout Helpers ---------- */
.container {
  width: 100%;
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: 24px;
}

section {
  padding-block: 100px;
}

.section-label {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--clr-primary);
  margin-bottom: 12px;
}

.section-title {
  margin-bottom: 16px;
}

.section-intro {
  font-size: 1.05rem;
  margin-bottom: 56px;
  max-width: 55ch;
}

/* ---------- Buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: var(--radius);
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  border: none;
  transition: all var(--transition);
  white-space: nowrap;
}

.btn-primary {
  background: var(--clr-primary);
  color: #0F1117;
}

.btn-primary:hover {
  background: var(--clr-primary-dk);
  color: #0F1117;
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(212, 160, 23, 0.35);
}

.btn-outline {
  background: transparent;
  color: var(--clr-text);
  border: 1.5px solid var(--clr-border);
}

.btn-outline:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
  transform: translateY(-2px);
}

/* ---------- Navigation ---------- */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  transition: background var(--transition), backdrop-filter var(--transition), border-color var(--transition);
}

.navbar.scrolled {
  background: rgba(15, 17, 23, 0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--clr-border);
}

.navbar .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text);
  text-decoration: none;
}

.nav-logo svg {
  flex-shrink: 0;
}

.nav-logo span {
  color: var(--clr-primary);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
}

.nav-links a {
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: color var(--transition);
}

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

.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}

.hamburger span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--clr-text);
  border-radius: 2px;
  transition: all var(--transition);
}

/* ---------- Hero ---------- */
#hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  padding-top: var(--nav-h);
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(ellipse 80% 60% at 60% 40%, rgba(212, 160, 23, 0.08) 0%, transparent 70%),
    radial-gradient(ellipse 50% 50% at 10% 80%, rgba(212, 160, 23, 0.04) 0%, transparent 60%);
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 14px;
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid rgba(212, 160, 23, 0.25);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-primary);
  margin-bottom: 24px;
}

.hero-badge::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--clr-primary);
}

.hero-title {
  margin-bottom: 20px;
  color: var(--clr-text);
}

.hero-title em {
  font-style: normal;
  color: var(--clr-primary);
}

.hero-sub {
  font-size: 1.1rem;
  color: var(--clr-muted);
  margin-bottom: 40px;
  max-width: 50ch;
}

.hero-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.hero-visual {
  position: relative;
  display: flex;
  justify-content: center;
  align-items: center;
}

.hero-card-stack {
  position: relative;
  width: 340px;
  height: 320px;
}

.hero-card {
  position: absolute;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 24px;
}

.hero-card:nth-child(1) {
  width: 280px;
  top: 0;
  right: 0;
  transform: rotate(4deg);
  opacity: 0.5;
}

.hero-card:nth-child(2) {
  width: 300px;
  top: 30px;
  left: 0;
  transform: rotate(-2deg);
  opacity: 0.7;
}

.hero-card:nth-child(3) {
  width: 310px;
  bottom: 0;
  left: 20px;
  transform: rotate(1deg);
}

.card-icon {
  width: 40px;
  height: 40px;
  border-radius: 10px;
  background: rgba(212, 160, 23, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 12px;
  color: var(--clr-primary);
}

.hero-card h4 {
  font-size: 0.95rem;
  color: var(--clr-text);
  margin-bottom: 6px;
}

.hero-card p {
  font-size: 0.8rem;
  color: var(--clr-muted);
  max-width: none;
}

/* ---------- Stats Bar ---------- */
.stats-bar {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  border-bottom: 1px solid var(--clr-border);
  padding-block: 40px;
}

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

.stat-item h3 {
  font-size: 2rem;
  color: var(--clr-primary);
  margin-bottom: 4px;
}

.stat-item p {
  font-size: 0.875rem;
  color: var(--clr-muted);
  max-width: none;
}

/* ---------- About ---------- */
#about {
  background: var(--clr-dark);
}

.about-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.about-visual {
  position: relative;
}

.about-image-block {
  width: 100%;
  aspect-ratio: 4/3;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}

.about-image-block::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 40% 50%, rgba(212, 160, 23, 0.1) 0%, transparent 70%);
}

.about-logo-large {
  width: 120px;
  height: 120px;
  position: relative;
  z-index: 1;
}

.about-accent {
  position: absolute;
  bottom: -12px;
  right: -12px;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: 12px;
  padding: 16px 20px;
  z-index: 2;
}

.about-accent p {
  font-size: 0.78rem;
  color: var(--clr-muted);
  max-width: none;
  margin-bottom: 2px;
}

.about-accent strong {
  font-size: 1.1rem;
  color: var(--clr-primary);
}

.about-content .section-intro {
  margin-bottom: 28px;
}

.about-values {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 36px;
}

.value-item {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.value-icon {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  border-radius: 8px;
  background: rgba(212, 160, 23, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-top: 2px;
  color: var(--clr-primary);
}

.value-item h4 {
  font-size: 0.95rem;
  color: var(--clr-text);
  margin-bottom: 4px;
}

.value-item p {
  font-size: 0.85rem;
  color: var(--clr-muted);
  max-width: none;
}

/* ---------- Services ---------- */
#services {
  background: var(--clr-surface);
}

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.service-card {
  background: var(--clr-dark);
  border: 1px solid var(--clr-border);
  border-radius: 16px;
  padding: 32px;
  transition: border-color var(--transition), transform var(--transition);
}

.service-card:hover {
  border-color: var(--clr-primary);
  transform: translateY(-4px);
}

.service-icon {
  width: 52px;
  height: 52px;
  border-radius: 12px;
  background: rgba(212, 160, 23, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  color: var(--clr-primary);
}

.service-card h3 {
  color: var(--clr-text);
  margin-bottom: 10px;
}

.service-card p {
  font-size: 0.9rem;
  color: var(--clr-muted);
  max-width: none;
  margin-bottom: 20px;
}

.service-features {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.service-features li {
  font-size: 0.85rem;
  color: var(--clr-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.service-features li::before {
  content: '';
  width: 5px;
  height: 5px;
  flex-shrink: 0;
  border-radius: 50%;
  background: var(--clr-primary);
}

/* ---------- Process ---------- */
#process {
  background: var(--clr-dark);
}

.process-steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  position: relative;
}

.process-steps::before {
  content: '';
  position: absolute;
  top: 28px;
  left: calc(12.5% + 12px);
  right: calc(12.5% + 12px);
  height: 1px;
  background: var(--clr-border);
}

.process-step {
  text-align: center;
  position: relative;
}

.step-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--clr-surface);
  border: 2px solid var(--clr-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  font-weight: 700;
  color: var(--clr-primary);
  margin: 0 auto 20px;
  position: relative;
  z-index: 1;
}

.process-step h3 {
  font-size: 1rem;
  color: var(--clr-text);
  margin-bottom: 8px;
}

.process-step p {
  font-size: 0.85rem;
  color: var(--clr-muted);
  max-width: none;
  margin-inline: auto;
}

/* ---------- Why Choose Us ---------- */
#why-us {
  background: var(--clr-surface);
}

.why-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.why-items {
  display: flex;
  flex-direction: column;
  gap: 28px;
}

.why-item {
  display: flex;
  gap: 20px;
}

.why-item-icon {
  width: 48px;
  height: 48px;
  flex-shrink: 0;
  border-radius: 12px;
  background: rgba(212, 160, 23, 0.1);
  border: 1px solid rgba(212, 160, 23, 0.2);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
}

.why-item-text h3 {
  font-size: 1rem;
  color: var(--clr-text);
  margin-bottom: 6px;
}

.why-item-text p {
  font-size: 0.875rem;
  color: var(--clr-muted);
  max-width: none;
}

.tech-stack {
  background: var(--clr-dark);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 36px;
}

.tech-stack h3 {
  font-size: 1rem;
  color: var(--clr-text);
  margin-bottom: 20px;
}

.tech-pills {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tech-pill {
  padding: 7px 14px;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--clr-muted);
  transition: all var(--transition);
}

.tech-pill:hover {
  border-color: var(--clr-primary);
  color: var(--clr-primary);
}

/* ---------- Contact ---------- */
#contact {
  background: var(--clr-dark);
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.4fr;
  gap: 80px;
  align-items: start;
}

.contact-info h2 {
  margin-bottom: 16px;
}

.contact-info p {
  margin-bottom: 36px;
}

.contact-details {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.contact-detail {
  display: flex;
  gap: 14px;
  align-items: flex-start;
}

.contact-detail-icon {
  width: 40px;
  height: 40px;
  flex-shrink: 0;
  border-radius: 10px;
  background: rgba(212, 160, 23, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--clr-primary);
}

.contact-detail h4 {
  font-size: 0.8rem;
  color: var(--clr-muted);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 600;
  margin-bottom: 2px;
}

.contact-detail p {
  font-size: 0.95rem;
  color: var(--clr-text);
  max-width: none;
  margin-bottom: 0;
}

/* ---------- Contact Form ---------- */
.contact-form {
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: 20px;
  padding: 40px;
}

.contact-form h3 {
  font-size: 1.2rem;
  color: var(--clr-text);
  margin-bottom: 24px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

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

.form-group label {
  display: block;
  font-size: 0.83rem;
  font-weight: 600;
  color: var(--clr-muted);
  margin-bottom: 8px;
}

.form-group input,
.form-group textarea,
.form-group select {
  width: 100%;
  padding: 12px 16px;
  background: var(--clr-dark);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  color: var(--clr-text);
  font-size: 0.9rem;
  font-family: var(--font-main);
  transition: border-color var(--transition);
  outline: none;
}

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

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

.form-group textarea {
  resize: vertical;
  min-height: 120px;
}

.form-group select option {
  background: var(--clr-dark);
}

/* ---------- Footer ---------- */
footer {
  background: var(--clr-surface);
  border-top: 1px solid var(--clr-border);
  padding-block: 60px 30px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.8fr 1fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand p {
  font-size: 0.875rem;
  color: var(--clr-muted);
  max-width: 32ch;
  margin-top: 14px;
  margin-bottom: 0;
}

.footer-col h4 {
  font-size: 0.83rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--clr-muted);
  margin-bottom: 16px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li a {
  font-size: 0.875rem;
  color: var(--clr-muted);
  transition: color var(--transition);
}

.footer-col ul li a:hover {
  color: var(--clr-primary);
}

.footer-bottom {
  border-top: 1px solid var(--clr-border);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}

.footer-bottom p {
  font-size: 0.825rem;
  color: var(--clr-muted);
  max-width: none;
}

.footer-legal {
  display: flex;
  gap: 24px;
}

.footer-legal a {
  font-size: 0.825rem;
  color: var(--clr-muted);
}

.footer-legal a:hover {
  color: var(--clr-primary);
}

/* ---------- Toast ---------- */
.toast {
  position: fixed;
  bottom: 32px;
  right: 32px;
  background: var(--clr-surface2);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 14px 20px;
  font-size: 0.9rem;
  color: var(--clr-text);
  z-index: 9999;
  transform: translateY(120%);
  opacity: 0;
  transition: all 0.35s ease;
  max-width: 320px;
}

.toast.show {
  transform: translateY(0);
  opacity: 1;
}

.toast.success {
  border-color: rgba(212, 160, 23, 0.4);
}

/* ---------- Mobile Nav Overlay ---------- */
.mobile-nav {
  display: none;
  position: fixed;
  inset: 0;
  background: var(--clr-dark);
  z-index: 999;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 32px;
}

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

.mobile-nav a {
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--clr-text);
}

.mobile-nav a:hover {
  color: var(--clr-primary);
}

.mobile-nav-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: none;
  border: none;
  color: var(--clr-muted);
  font-size: 1.8rem;
  cursor: pointer;
  line-height: 1;
}

/* ---------- Responsive ---------- */
@media (max-width: 1024px) {
  .hero-grid,
  .about-grid,
  .why-grid,
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .hero-visual {
    display: none;
  }

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

  .process-steps {
    grid-template-columns: repeat(2, 1fr);
  }

  .process-steps::before {
    display: none;
  }

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

@media (max-width: 768px) {
  section {
    padding-block: 72px;
  }

  .nav-links,
  .nav-cta {
    display: none;
  }

  .hamburger {
    display: flex;
  }

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

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

  .process-steps {
    grid-template-columns: 1fr;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 480px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.6rem; }

  .contact-form {
    padding: 24px;
  }
}