/* ============================================
   CSS VARIABLES
   ============================================ */
:root {
  --color-primary: #00ff85;
  --color-primary-dark: #00cc6a;
  --color-primary-light: rgba(0, 255, 133, 0.12);
  --color-bg: #0a0f0a;
  --color-bg-card: #111a11;
  --color-bg-section: #0d130d;
  --color-bg-hover: #162016;
  --color-text: #ffffff;
  --color-text-muted: #8a9a8a;
  --color-text-dark: #cccccc;
  --color-border: #1e2e1e;
  --color-border-hover: #2e4a2e;
  --color-danger: #ff4444;
  --color-success: #00cc6a;
  --font-main: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --radius-sm: 6px;
  --radius: 12px;
  --radius-lg: 20px;
  --radius-xl: 24px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
  --shadow-primary: 0 4px 20px rgba(0, 255, 133, 0.2);
  --transition: all 0.3s ease;
  --transition-fast: all 0.15s ease;
}

/* ============================================
   RESET
   ============================================ */
*, *::before, *::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

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

body {
  background-color: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-main);
  font-size: 14px;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a:hover { color: var(--color-primary); }
ul, ol { list-style: none; }
img { max-width: 100%; display: block; }
button { font-family: var(--font-main); cursor: pointer; }
input, textarea, select { font-family: var(--font-main); }

/* ============================================
   LAYOUT
   ============================================ */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-padding {
  padding: 80px 5%;
}

/* ============================================
   TYPOGRAPHY
   ============================================ */
h1, h2, h3, h4, h5, h6 {
  font-weight: 700;
  line-height: 1.2;
  color: var(--color-text);
}

.section-tag {
  color: var(--color-primary);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: block;
}

.highlight { color: var(--color-primary); }
.text-muted { color: var(--color-text-muted); }
.text-center { text-align: center; }

/* ============================================
   BUTTONS
   ============================================ */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background-color: var(--color-primary);
  color: #000000;
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-primary:hover {
  background-color: var(--color-primary-dark);
  box-shadow: var(--shadow-primary);
  transform: translateY(-2px);
  color: #000000;
}

.btn-primary:active { transform: translateY(0); }
.btn-primary:disabled { opacity: 0.5; cursor: not-allowed; transform: none; }

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: transparent;
  color: var(--color-text);
  border: 1.5px solid var(--color-border);
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 600;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
  white-space: nowrap;
}

.btn-outline:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
  background: var(--color-primary-light);
}

.btn-dark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: #000000;
  color: var(--color-primary);
  border: none;
  padding: 12px 28px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 14px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-dark:hover {
  background: #1a1a1a;
  transform: translateY(-2px);
}

/* ============================================
   CARDS
   ============================================ */
.card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  transition: var(--transition);
}

.card:hover {
  border-color: var(--color-border-hover);
  box-shadow: var(--shadow-md);
}

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

.card-icon {
  width: 48px;
  height: 48px;
  background: var(--color-primary-light);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 16px;
}

/* ============================================
   FORM ELEMENTS
   ============================================ */
.form-group {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.form-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--color-text);
}

.form-input {
  width: 100%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: 10px;
  padding: 12px 16px;
  color: var(--color-text);
  font-size: 14px;
  font-family: var(--font-main);
  outline: none;
  transition: var(--transition);
}

.form-input::placeholder { color: var(--color-text-muted); }
.form-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 133, 0.1);
}
.form-input:hover { border-color: var(--color-border-hover); }
.form-input.error { border-color: var(--color-danger); }

.form-error {
  font-size: 12px;
  color: var(--color-danger);
  margin-top: 4px;
}

.form-checkbox {
  accent-color: var(--color-primary);
  width: 16px;
  height: 16px;
  cursor: pointer;
}

/* ============================================
   GRID HELPERS
   ============================================ */
.grid-2 {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}

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

.grid-4 {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}

.flex-center {
  display: flex;
  align-items: center;
  justify-content: center;
}

.flex-between {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

/* ============================================
   HEADER
   ============================================ */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 68px;
  display: grid;
  grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 5%;
  background: rgba(10, 15, 10, 0.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--color-border);
}

.header-left {
  display: flex;
  align-items: center;
  justify-content: flex-start;
}

.header-logo {
  background: var(--color-primary);
  color: #000000;
  font-weight: 900;
  font-size: 18px;
  padding: 5px 12px;
  border-radius: var(--radius-sm);
  letter-spacing: 1px;
  transition: var(--transition);
}

.header-logo:hover {
  background: var(--color-primary-dark);
  color: #000000;
  transform: scale(1.05);
}

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

.header-nav-link {
  color: var(--color-text-muted);
  font-size: 14px;
  font-weight: 500;
  white-space: nowrap;
  position: relative;
  padding-bottom: 2px;
  transition: var(--transition);
}

.header-nav-link::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--color-primary);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.header-nav-link:hover { color: var(--color-primary); }
.header-nav-link:hover::after { width: 100%; }

.header-right {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 10px;
}

.header-btn {
  padding: 8px 20px !important;
  font-size: 13px !important;
}

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

.hamburger-line {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-text);
  border-radius: var(--radius-full);
  transition: var(--transition);
}

.open-1 { transform: translateY(7px) rotate(45deg); }
.open-2 { opacity: 0; }
.open-3 { transform: translateY(-7px) rotate(-45deg); }

.mobile-menu {
  position: fixed;
  top: 68px;
  left: 0;
  right: 0;
  z-index: 999;
  background: var(--color-bg-card);
  border-bottom: 1px solid var(--color-border);
  padding: 20px 5%;
  display: flex;
  flex-direction: column;
  gap: 4px;
  animation: slideDown 0.2s ease;
}

@keyframes slideDown {
  from { opacity: 0; transform: translateY(-10px); }
  to   { opacity: 1; transform: translateY(0); }
}

.mobile-menu-link {
  color: var(--color-text-muted);
  font-size: 15px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
  display: block;
}

.mobile-menu-link:hover {
  color: var(--color-primary);
  padding-left: 8px;
}

.mobile-menu-actions {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 16px;
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 5% 60px;
  background: linear-gradient(135deg, var(--color-bg) 60%, #0d2018);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 580px;
  z-index: 2;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: clamp(15px, 2vw, 18px);
  margin-bottom: 36px;
  max-width: 440px;
}

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

.hero-grid {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.hero-grid-item {
  width: 160px;
  height: 160px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 60px;
}

/* ============================================
   STEP CIRCLE
   ============================================ */
.step-circle {
  width: 52px;
  height: 52px;
  background: var(--color-primary);
  color: #000;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  font-size: 20px;
  margin: 0 auto 20px;
}

/* ============================================
   TESTIMONIAL
   ============================================ */
.testimonial-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius);
  padding: 28px;
  text-align: left;
}

.testimonial-quote {
  color: var(--color-primary);
  font-size: 28px;
  margin-bottom: 12px;
}

.testimonial-text {
  color: var(--color-text-dark);
  font-size: 14px;
  line-height: 1.8;
  margin-bottom: 20px;
}

.testimonial-author {
  display: flex;
  align-items: center;
  gap: 12px;
}

.testimonial-avatar {
  width: 40px;
  height: 40px;
  background: var(--color-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #000;
  font-weight: 700;
  flex-shrink: 0;
}

/* ============================================
   CTA BOX
   ============================================ */
.cta-box {
  background: var(--color-primary);
  border-radius: var(--radius-xl);
  padding: 60px 40px;
  text-align: center;
}

.cta-title {
  font-size: clamp(1.8rem, 4vw, 2.5rem);
  font-weight: 900;
  color: #000;
  margin-bottom: 16px;
}

.cta-subtitle {
  color: #003820;
  font-size: 16px;
  margin-bottom: 32px;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* ============================================
   NEWSLETTER
   ============================================ */
.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex: 1;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--color-text);
  font-size: 13px;
  outline: none;
  transition: var(--transition);
  min-width: 0;
}

.newsletter-input:focus { border-color: var(--color-primary); }

/* ============================================
   FOOTER
   ============================================ */
.footer {
  background: var(--color-bg-card);
  border-top: 1px solid var(--color-border);
  padding: 60px 5% 0;
}



/* ===== BRAND COL ===== */
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 0;
}

.footer-logo {
  color: #000;
  font-weight: 900;
  font-size: 20px;
  padding: 4px 12px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 16px;
  width: fit-content;
  transition: var(--transition);
}

.footer-logo:hover {
  background: var(--color-primary-dark);
  color: #000;
}

.footer-desc {
  color: var(--color-text-muted);
  font-size: 14px;
  line-height: 1.8;
  max-width: 260px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.social-icon {
  width: 36px;
  height: 36px;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--color-text-muted);
  font-size: 14px;
  transition: var(--transition);
  flex-shrink: 0;
}

.social-icon:hover {
  border-color: var(--color-primary);
  color: var(--color-primary);
}

/* ===== LINK COLS ===== */
.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-heading {
  font-size: 14px;
  font-weight: 700;
  margin-bottom: 18px;
  color: var(--color-text);
}

.footer-link {
  color: var(--color-text-muted);
  font-size: 14px;
  display: block;
  margin-bottom: 12px;
  transition: var(--transition);
  width: fit-content;
}

.footer-link:hover {
  color: var(--color-primary);
  transform: translateX(4px);
}

/* ===== NEWSLETTER ===== */
.footer-newsletter-desc {
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.7;
  margin-bottom: 14px;
}

.newsletter-form {
  display: flex;
  gap: 8px;
}

.newsletter-input {
  flex: 1;
  min-width: 0;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  padding: 10px 14px;
  color: var(--color-text);
  font-size: 13px;
  font-family: var(--font-main);
  outline: none;
  transition: var(--transition);
}

.newsletter-input::placeholder {
  color: var(--color-text-muted);
}

.newsletter-input:focus {
  border-color: var(--color-primary);
  box-shadow: 0 0 0 3px rgba(0, 255, 133, 0.1);
}

.newsletter-btn {
  padding: 10px 16px !important;
  font-size: 14px !important;
  flex-shrink: 0;
}

/* ===== BOTTOM BAR ===== */
.footer-bottom {
  max-width: 1200px;
  margin: 0 auto;
  border-top: 1px solid var(--color-border);
  padding: 17px 0 17px;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
}

.footer-copy {
  color: var(--color-text-muted);
  font-size: 13px;
}

.footer-bottom-links {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.footer-bottom-link {
  color: var(--color-text-muted);
  font-size: 13px;
  transition: var(--transition);
}

.footer-bottom-link:hover {
  color: var(--color-primary);
}

/* ============================================
   FOOTER RESPONSIVE — TABLET (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1; /* Brand full width */
  }

  .footer-desc {
    max-width: 100%;
  }
}

/* ============================================
   FOOTER RESPONSIVE — MOBILE (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  .footer {
    padding: 40px 4% 0;
  }

  .footer-inner {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
    padding-bottom: 36px;
  }

  .footer-brand {
    grid-column: 1 / -1;
  }

  .footer-desc {
    max-width: 100%;
    font-size: 13px;
  }

  .footer-bottom {
    flex-direction: column;
    align-items: center;
    text-align: center;
    padding: 20px 0 24px;
    gap: 12px;
  }

  .footer-bottom-links {
    justify-content: center;
    gap: 16px;
  }

  .newsletter-form {
    flex-direction: row;
  }
}

/* ============================================
   FOOTER RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================ */
@media (max-width: 480px) {
  .footer {
    padding: 32px 4% 0;
  }

  .footer-inner {
    grid-template-columns: 1fr;  /* Sab ek column */
    gap: 24px;
    padding-bottom: 28px;
  }

  .footer-brand {
    grid-column: 1;
  }

  .footer-logo {
    font-size: 18px;
  }

  .footer-heading {
    margin-bottom: 12px;
  }

  .footer-link {
    margin-bottom: 10px;
    font-size: 13px;
  }

  .newsletter-form {
    flex-direction: column;
  }

  .newsletter-btn {
    width: 100% !important;
    padding: 12px !important;
  }

  .newsletter-input {
    width: 100%;
  }

  .footer-bottom-links {
    flex-direction: column;
    gap: 10px;
    align-items: center;
  }

  .footer-copy {
    font-size: 12px;
  }
}


/* ============================================
   AUTH PAGES
   ============================================ */
.auth-wrapper {
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--color-bg);
  padding: 20px;
}

.auth-card {
  width: 100%;
  max-width: 420px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 40px;
}

.auth-card-wide { max-width: 440px; }

.auth-logo-wrap {
  text-align: center;
  margin-bottom: 32px;
}

.auth-logo {
  background: var(--color-primary);
  color: #000;
  font-weight: 900;
  font-size: 22px;
  padding: 6px 14px;
  border-radius: var(--radius-sm);
  display: inline-block;
  margin-bottom: 12px;
}

.auth-title {
  font-size: 1.6rem;
  font-weight: 800;
  margin-bottom: 6px;
}

.auth-subtitle {
  color: var(--color-text-muted);
  font-size: 14px;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-footer-text {
  text-align: center;
  margin-top: 24px;
  font-size: 14px;
  color: var(--color-text-muted);
}

.auth-footer-link {
  color: var(--color-primary);
  font-weight: 600;
}

.auth-forgot {
  text-align: right;
  margin-top: 6px;
  font-size: 12px;
  color: var(--color-primary);
  display: block;
}

/* ============================================
   BADGE
   ============================================ */
.badge {
  display: inline-block;
  padding: 4px 10px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 700;
}

.badge-primary {
  background: var(--color-primary-light);
  color: var(--color-primary);
  border: 1px solid var(--color-primary);
}

/* ============================================
   SCROLLBAR
   ============================================ */
::-webkit-scrollbar { width: 6px; }
::-webkit-scrollbar-track { background: var(--color-bg); }
::-webkit-scrollbar-thumb {
  background: var(--color-border);
  border-radius: var(--radius-full);
}
::-webkit-scrollbar-thumb:hover { background: var(--color-primary); }

::selection { background: var(--color-primary); color: #000; }

/* ============================================
   RESPONSIVE — TABLET (max 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .hero-grid {
    display: none; /* Hero decorative grid hide */
  }

  .hero-content {
    max-width: 100%;
  }
}

/* ============================================
   RESPONSIVE — MOBILE (max 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Layout */
  .section-padding {
    padding: 50px 4%;
  }

  .container {
    padding: 0 16px;
  }

  /* Header */
  .header {
    grid-template-columns: 1fr 1fr;
    padding: 0 4%;
  }

  .header-center { display: none; }
  .header-right  { display: none; }

  .header-hamburger {
    display: flex;
    justify-self: end;
  }

  /* Grids → 1 Column */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Hero */
  .hero-section {
    padding: 100px 4% 50px;
    min-height: auto;
    padding-bottom: 60px;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-outline {
    width: 100%;
    justify-content: center;
  }

  /* Cards */
  .card {
    padding: 20px;
  }

  /* CTA */
  .cta-box {
    padding: 40px 20px;
    border-radius: var(--radius-lg);
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons button {
    width: 100%;
    max-width: 300px;
  }

  /* Footer */
  .footer {
    padding: 40px 4% 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-desc {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer-bottom-links {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Auth */
  .auth-card {
    padding: 28px 20px;
    border-radius: var(--radius);
  }

  .auth-title {
    font-size: 1.4rem;
  }

  /* Newsletter */
  .newsletter-form {
    flex-direction: column;
  }

  /* Buttons full width on mobile */
  .auth-form .btn-primary {
    width: 100%;
  }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE (max 480px)
   ============================================ */
@media (max-width: 480px) {
  .section-padding {
    padding: 40px 4%;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .header-logo {
    font-size: 16px;
    padding: 4px 10px;
  }

  .card {
    padding: 16px;
  }

  .cta-box {
    padding: 32px 16px;
  }

  .auth-card {
    padding: 24px 16px;
  }

  .step-circle {
    width: 44px;
    height: 44px;
    font-size: 17px;
  }

  .testimonial-card {
    padding: 20px 16px;
  }

  h2 {
    font-size: 1.6rem !important;
  }
}

/* ============================================
   BACKGROUND HELPERS
   ============================================ */
.bg-section {
  background: var(--color-bg-section);
}

.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

.mt-48 {
  margin-top: 0;
}

/* ============================================
   SECTION TYPOGRAPHY
   ============================================ */
.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  margin-bottom: 12px;
  line-height: 1.2;
}

.section-desc {
  color: var(--color-text-muted);
  font-size: 16px;
  margin-bottom: 48px;
  max-width: 600px;
}

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

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

/* ============================================
   CARD INNER ELEMENTS
   ============================================ */
.card-emoji {
  font-size: 32px;
  margin-bottom: 12px;
}

.card-title {
  font-size: 16px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--color-text);
}

.card-desc {
  color: var(--color-text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.card-icon.mx-auto {
  margin-left: auto;
  margin-right: auto;
}

/* ============================================
   STEP ITEM
   ============================================ */
.step-item {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
}

.step-item .card-title {
  margin-top: 4px;
}

/* ============================================
   TESTIMONIAL
   ============================================ */
.testimonial-name {
  font-weight: 600;
  font-size: 14px;
  color: var(--color-text);
}

/* ============================================
   CTA BUTTON VARIANTS
   ============================================ */
.btn-cta-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: #000;
  border: 2px solid #000;
  padding: 14px 32px;
  border-radius: var(--radius);
  font-weight: 700;
  font-size: 15px;
  cursor: pointer;
  transition: var(--transition);
}

.btn-cta-outline:hover {
  background: rgba(0, 0, 0, 0.1);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero-section {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 100px 5% 60px;
  background: linear-gradient(135deg, var(--color-bg) 60%, #0d2018);
  position: relative;
  overflow: hidden;
}

.hero-content {
  max-width: 580px;
  z-index: 2;
  width: 100%;
}

.hero-title {
  font-size: clamp(2.2rem, 5vw, 4rem);
  font-weight: 900;
  line-height: 1.1;
  margin-bottom: 20px;
}

.hero-subtitle {
  color: var(--color-text-muted);
  font-size: clamp(15px, 2vw, 18px);
  margin-bottom: 36px;
  max-width: 440px;
  line-height: 1.7;
}

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

.hero-grid {
  position: absolute;
  right: 5%;
  top: 50%;
  transform: translateY(-50%);
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
  z-index: 1;
}

.hero-grid-item {
  width: 200px;
  height: 200px;
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 150px;
  transition: var(--transition);
}

.hero-grid-item:hover {
  border-color: var(--color-primary);
  transform: scale(1.05);
}

/* ============================================
   RESPONSIVE — TABLET (≤ 1024px)
   ============================================ */
@media (max-width: 1024px) {
  .grid-4 {
    grid-template-columns: repeat(2, 1fr);
  }

  .hero-grid {
    display: none;
  }

  .hero-content {
    max-width: 100%;
  }

  .hero-section {
    min-height: auto;
    padding: 100px 5% 60px;
  }

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

  .section-title {
    font-size: 1.9rem;
  }
}

/* ============================================
   RESPONSIVE — MOBILE (≤ 768px)
   ============================================ */
@media (max-width: 768px) {
  /* Section spacing */
  .section-padding {
    padding: 50px 4%;
  }

  .container {
    padding: 0 16px;
  }

  /* Header */
  .header {
    grid-template-columns: 1fr 1fr;
    padding: 0 4%;
  }

  .header-center { display: none; }
  .header-right  { display: none; }

  .header-hamburger {
    display: flex;
    justify-self: end;
  }

  /* Grids */
  .grid-2,
  .grid-3,
  .grid-4 {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  /* Hero */
  .hero-section {
    padding: 90px 4% 50px;
    min-height: 100svh;
  }

  .hero-title {
    font-size: 2rem;
  }

  .hero-subtitle {
    font-size: 15px;
  }

  .hero-buttons {
    flex-direction: column;
  }

  .hero-buttons .btn-primary,
  .hero-buttons .btn-outline {
    width: 100%;
    justify-content: center;
    padding: 14px 20px;
  }

  /* Section text */
  .section-title {
    font-size: 1.7rem;
  }

  .section-desc {
    font-size: 14px;
    margin-bottom: 32px;
  }

  /* Cards */
  .card {
    padding: 20px;
  }

  /* CTA */
  .cta-box {
    padding: 40px 20px;
    border-radius: var(--radius-lg);
  }

  .cta-title {
    font-size: 1.7rem;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn-dark,
  .cta-buttons .btn-cta-outline {
    width: 100%;
    max-width: 300px;
    justify-content: center;
  }

  /* Footer */
  .footer {
    padding: 40px 4% 24px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }

  .footer-desc {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 12px;
    text-align: center;
  }

  .footer-bottom-links {
    gap: 16px;
    flex-wrap: wrap;
    justify-content: center;
  }

  /* Auth */
  .auth-card {
    padding: 28px 20px;
  }

  .auth-title {
    font-size: 1.4rem;
  }
}

/* ============================================
   RESPONSIVE — SMALL MOBILE (≤ 480px)
   ============================================ */
@media (max-width: 480px) {
  .section-padding {
    padding: 40px 4%;
  }

  .hero-title {
    font-size: 1.8rem;
  }

  .hero-subtitle {
    font-size: 14px;
  }

  .section-title {
    font-size: 1.5rem;
  }

  .header-logo {
    font-size: 16px;
    padding: 4px 10px;
  }

  .card {
    padding: 16px;
  }

  .cta-box {
    padding: 32px 16px;
  }

  .cta-title {
    font-size: 1.5rem;
  }

  .auth-card {
    padding: 24px 16px;
  }

  .step-circle {
    width: 44px;
    height: 44px;
    font-size: 17px;
  }

  .testimonial-card {
    padding: 20px 16px;
  }
}