/* ==========================================================================
   LAYOUT & GRID SYSTEM
   ========================================================================== */

.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin-left: auto;
  margin-right: auto;
  padding-left: var(--space-lg);
  padding-right: var(--space-lg);
}

/* Responsive Section Spacings */
section, .section-spacing {
  padding-top: var(--space-section-desktop);
  padding-bottom: var(--space-section-desktop);
}

@media (max-width: 992px) {
  section, .section-spacing {
    padding-top: var(--space-section-tablet);
    padding-bottom: var(--space-section-tablet);
  }
}

@media (max-width: 576px) {
  section, .section-spacing {
    padding-top: var(--space-section-mobile);
    padding-bottom: var(--space-section-mobile);
  }
}

/* Grid System */
.grid {
  display: grid;
  gap: var(--space-xl);
  grid-template-columns: repeat(12, 1fr);
}

/* Responsive Grid Columns */
@media (min-width: 992px) {
  .col-12 { grid-column: span 12; }
  .col-8  { grid-column: span 8; }
  .col-6  { grid-column: span 6; }
  .col-4  { grid-column: span 4; }
  .col-3  { grid-column: span 3; }
}

@media (max-width: 991px) and (min-width: 768px) {
  .grid {
    grid-template-columns: repeat(8, 1fr);
    gap: var(--space-lg);
  }
  .col-md-8 { grid-column: span 8; }
  .col-md-4 { grid-column: span 4; }
  .col-md-2 { grid-column: span 2; }
}

@media (max-width: 767px) {
  .grid {
    grid-template-columns: repeat(4, 1fr);
    gap: var(--space-md);
  }
  .col-sm-4 { grid-column: span 4; }
  .col-sm-2 { grid-column: span 2; }
}


/* ==========================================================================
   BUTTONS
   ========================================================================== */

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-sm);
  font-family: var(--font-headings);
  font-weight: var(--weight-semibold);
  font-size: 1rem;
  padding: 14px 28px;
  border-radius: var(--radius-full);
  border: 2px solid transparent;
  cursor: pointer;
  transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
  text-align: center;
  position: relative;
  overflow: hidden;
  user-select: none;
}

.btn-large {
  padding: 16px 36px;
  font-size: 1.125rem;
}

/* Primary Button Style */
.btn-primary {
  background-color: var(--color-primary-green);
  color: var(--color-white);
  box-shadow: 0 4px 14px rgba(15, 123, 62, 0.2);
}

.btn-primary:hover {
  background-color: #0c6332; /* Darker Green */
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15, 123, 62, 0.35);
}

.btn-primary:active {
  transform: translateY(-1px);
}

/* Secondary Button Style */
.btn-secondary {
  background-color: var(--color-white);
  color: var(--color-primary-green);
  border-color: var(--color-primary-green);
}

.btn-secondary:hover {
  background-color: var(--color-primary-green);
  color: var(--color-white);
  transform: translateY(-3px);
  box-shadow: 0 8px 20px rgba(15, 123, 62, 0.2);
}

.btn-secondary:active {
  transform: translateY(-1px);
}

/* Icon style in buttons */
.btn svg {
  width: 1.25em;
  height: 1.25em;
  stroke-width: 2px;
  transition: transform var(--transition-fast);
}

.btn:hover svg {
  transform: translateX(2px);
}


/* ==========================================================================
   CARDS
   ========================================================================== */

.card {
  background-color: var(--color-white);
  border-radius: var(--radius-lg); /* 18px */
  border: 1px solid var(--color-border);
  padding: var(--space-xl);
  position: relative;
  transition: transform var(--transition-normal), box-shadow var(--transition-normal), border-color var(--transition-normal);
  overflow: hidden;
}

.card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background-color: var(--color-secondary-green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform var(--transition-normal);
}

.card:hover {
  transform: translateY(-8px) scale(1.02);
  box-shadow: var(--shadow-hover);
  border-color: var(--color-accent-green);
}

.card:hover::before {
  transform: scaleX(1);
}

/* Glassmorphism Card Variant */
.card-glass {
  background: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border: 1px solid var(--color-glass-border);
  box-shadow: var(--shadow-glass);
}


/* ==========================================================================
   FORMS & INPUTS
   ========================================================================== */

.form-group {
  position: relative;
  margin-bottom: var(--space-xl);
}

.form-input {
  width: 100%;
  padding: 18px var(--space-lg) 10px;
  border-radius: var(--radius-md);
  border: 1.5px solid var(--color-border);
  background-color: var(--color-white);
  color: var(--color-dark-text);
  font-family: var(--font-body);
  font-size: 1rem;
  transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-primary-green);
  box-shadow: 0 0 0 4px rgba(15, 123, 62, 0.1);
}

/* Floating Label Behavior */
.form-label {
  position: absolute;
  left: var(--space-lg);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-light-text);
  font-size: 1rem;
  pointer-events: none;
  transition: transform var(--transition-fast), font-size var(--transition-fast), color var(--transition-fast);
  transform-origin: left top;
}

/* When input focused or filled */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
  transform: translateY(-135%) scale(0.8);
  color: var(--color-primary-green);
}


/* ==========================================================================
   NAVIGATION / HEADER
   ========================================================================== */

.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background-color: transparent;
  transition: background-color var(--transition-normal), box-shadow var(--transition-normal), padding var(--transition-normal);
  padding: var(--space-lg) 0;
  border-bottom: 1px solid transparent;
}

.header.scrolled {
  background-color: var(--color-glass-bg);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-soft);
  border-bottom: 1px solid var(--color-border);
  padding: var(--space-md) 0;
}

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

.logo {
  font-family: var(--font-headings);
  font-weight: var(--weight-bold);
  font-size: 1.5rem;
  color: var(--color-primary-green);
  display: flex;
  align-items: center;
  gap: var(--space-sm);
}

.nav-menu {
  display: flex;
  gap: var(--space-xl);
  list-style: none;
  margin: 0;
  padding: 0;
}

.nav-link {
  font-family: var(--font-headings);
  font-weight: var(--weight-medium);
  font-size: 1rem;
  color: var(--color-dark-text);
  position: relative;
  padding: var(--space-xs) 0;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background-color: var(--color-primary-green);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-fast);
}

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

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}


/* ==========================================================================
   HERO STYLE
   ========================================================================== */

.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding-top: calc(var(--space-section-desktop) + 40px);
  background: radial-gradient(circle at 80% 20%, var(--color-light-green) 0%, transparent 50%), var(--color-bg);
}

.hero-content {
  max-width: 650px;
}

.hero-cta {
  display: flex;
  gap: var(--space-md);
  margin-top: var(--space-xxl);
}


/* ==========================================================================
   FOOTER STYLE
   ========================================================================== */

.footer {
  background-color: var(--color-white);
  border-top: 1px solid var(--color-border);
  padding: var(--space-xxxl) 0 var(--space-xl);
}

.footer-logo-desc {
  grid-column: span 4;
}

.footer-nav-col {
  grid-column: span 2;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: var(--space-md) 0 0;
}

.footer-links li {
  margin-bottom: var(--space-sm);
}

.footer-link {
  font-size: 0.95rem;
  color: var(--color-light-text);
  transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-link:hover {
  color: var(--color-primary-green);
  padding-left: var(--space-xs);
}

.footer-bottom {
  margin-top: var(--space-xxxl);
  padding-top: var(--space-lg);
  border-top: 1px solid var(--color-border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 0.875rem;
  color: var(--color-light-text);
}