/* ==========================================================================
   Eco Green Solutions — Custom design layer
   Tailwind (Play CDN) handles utilities; this file holds the brand tokens,
   component classes and animations that Tailwind alone cannot express.
   ========================================================================== */

:root {
  /* Brand palette */
  --forest: #0e3b2b;
  --forest-deep: #082418;
  --eco: #2f9e63;
  --eco-soft: #e3f2e8;
  --cream: #f7f5ef;
  --charcoal: #1b201d;
  --slate: #5b6660;
  --line: rgba(14, 59, 43, 0.1);

  --shadow-soft: 0 1px 2px rgba(8, 36, 24, 0.04), 0 12px 32px -12px rgba(8, 36, 24, 0.12);
  --shadow-lift: 0 2px 4px rgba(8, 36, 24, 0.05), 0 28px 56px -22px rgba(8, 36, 24, 0.28);
  --ease: cubic-bezier(0.22, 1, 0.36, 1);
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 6rem;
}

body {
  background-color: var(--cream);
  color: var(--charcoal);
  font-family: "Plus Jakarta Sans", system-ui, -apple-system, sans-serif;
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
}

::selection {
  background: var(--eco);
  color: #fff;
}

/* Focus visibility ------------------------------------------------------- */
:focus-visible {
  outline: 3px solid var(--eco);
  outline-offset: 3px;
  border-radius: 6px;
}

.skip-link {
  position: absolute;
  left: 1rem;
  top: -100px;
  z-index: 200;
  background: var(--forest);
  color: #fff;
  padding: 0.75rem 1.25rem;
  border-radius: 0 0 12px 12px;
  transition: top 0.25s var(--ease);
}
.skip-link:focus {
  top: 0;
}

/* Typography ------------------------------------------------------------- */
.display {
  font-weight: 800;
  letter-spacing: -0.035em;
  line-height: 1.03;
  color: var(--forest-deep);
}
.eyebrow {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--eco);
}

/* Buttons ---------------------------------------------------------------- */
.btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.95rem 1.6rem;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.95rem;
  line-height: 1;
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease),
    background-color 0.3s var(--ease), color 0.3s var(--ease), border-color 0.3s var(--ease);
  white-space: nowrap;
}
.btn:hover {
  transform: translateY(-2px);
}
.btn:active {
  transform: translateY(0);
}
.btn .arrow {
  transition: transform 0.35s var(--ease);
}
.btn:hover .arrow {
  transform: translateX(5px);
}

.btn-primary {
  background: var(--forest);
  color: #fff;
  box-shadow: var(--shadow-soft);
}
.btn-primary:hover {
  background: var(--eco);
  box-shadow: 0 18px 36px -14px rgba(47, 158, 99, 0.7);
}

.btn-eco {
  background: var(--eco);
  color: #fff;
  box-shadow: 0 14px 30px -14px rgba(47, 158, 99, 0.8);
}
.btn-eco:hover {
  background: #268a54;
}

.btn-outline {
  border: 1.5px solid rgba(14, 59, 43, 0.22);
  color: var(--forest);
  background: transparent;
}
.btn-outline:hover {
  border-color: var(--forest);
  background: rgba(14, 59, 43, 0.05);
}

.btn-ghost-light {
  border: 1.5px solid rgba(255, 255, 255, 0.4);
  color: #fff;
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, 0.12);
  border-color: #fff;
}

/* Cards ------------------------------------------------------------------ */
.card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 26px;
  box-shadow: var(--shadow-soft);
  transition: transform 0.45s var(--ease), box-shadow 0.45s var(--ease),
    border-color 0.45s var(--ease);
}
.card-lift:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-lift);
  border-color: rgba(47, 158, 99, 0.35);
}

.icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 3.25rem;
  height: 3.25rem;
  border-radius: 18px;
  background: var(--eco-soft);
  color: var(--forest);
  transition: background-color 0.4s var(--ease), color 0.4s var(--ease),
    transform 0.4s var(--ease);
}
.card-lift:hover .icon-badge {
  background: var(--eco);
  color: #fff;
  transform: rotate(-6deg) scale(1.05);
}

/* Nav underline animation ------------------------------------------------ */
.nav-link {
  position: relative;
  font-weight: 600;
  color: var(--charcoal);
  padding: 0.35rem 0;
  transition: color 0.3s var(--ease);
}
.nav-link::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  height: 2px;
  width: 100%;
  background: var(--eco);
  transform: scaleX(0);
  transform-origin: right;
  transition: transform 0.4s var(--ease);
}
.nav-link:hover::after,
.nav-link[aria-current="page"]::after {
  transform: scaleX(1);
  transform-origin: left;
}
.nav-link[aria-current="page"] {
  color: var(--forest);
}

/* Header state ----------------------------------------------------------- */
.site-header {
  transition: background-color 0.4s var(--ease), box-shadow 0.4s var(--ease),
    backdrop-filter 0.4s var(--ease), padding 0.4s var(--ease);
}
.site-header.is-scrolled {
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: saturate(180%) blur(14px);
  box-shadow: 0 1px 0 var(--line), 0 12px 30px -22px rgba(8, 36, 24, 0.5);
}

.header-logo-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.85rem;
  height: 2.85rem;
  border-radius: 16px;
  background: #ffffff;
  border: 1.5px solid rgba(47, 158, 99, 0.28);
  box-shadow: 0 4px 12px -2px rgba(14, 59, 43, 0.08);
  overflow: hidden;
  padding: 3px;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.header-logo-badge:hover {
  transform: scale(1.05);
  border-color: var(--eco);
  box-shadow: 0 6px 16px -2px rgba(47, 158, 99, 0.22);
}
.header-logo-badge img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  mix-blend-mode: multiply;
  border-radius: 12px;
}

/* Mobile drawer ---------------------------------------------------------- */
[data-drawer-close], [data-menu-toggle], .burger {
  cursor: pointer;
  touch-action: manipulation;
  -webkit-tap-highlight-color: transparent;
  user-select: none;
}
.mobile-drawer {
  transform: translateX(100%);
  transition: transform 0.5s var(--ease);
}
.mobile-drawer.is-open {
  transform: translateX(0);
}
.drawer-backdrop {
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.4s var(--ease);
}
.drawer-backdrop.is-open {
  opacity: 1;
  pointer-events: auto;
}
.burger span {
  display: block;
  height: 2px;
  width: 22px;
  background: var(--forest);
  border-radius: 2px;
  transition: transform 0.4s var(--ease), opacity 0.3s var(--ease);
}
.burger.is-open span:nth-child(1) {
  transform: translateY(6px) rotate(45deg);
}
.burger.is-open span:nth-child(2) {
  opacity: 0;
}
.burger.is-open span:nth-child(3) {
  transform: translateY(-6px) rotate(-45deg);
}
.drawer-item {
  opacity: 0;
  transform: translateX(24px);
  transition: opacity 0.5s var(--ease), transform 0.5s var(--ease);
}
.mobile-drawer.is-open .drawer-item {
  opacity: 1;
  transform: translateX(0);
}

/* Scroll reveal ---------------------------------------------------------- */
[data-reveal] {
  opacity: 0;
  transform: translateY(26px);
  transition: opacity 0.8s var(--ease), transform 0.8s var(--ease);
  will-change: opacity, transform;
}
[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}
[data-reveal="left"] {
  transform: translateX(-30px);
}
[data-reveal="right"] {
  transform: translateX(30px);
}
[data-reveal="zoom"] {
  transform: scale(0.94);
}

/* Media zoom ------------------------------------------------------------- */
.media-zoom {
  overflow: hidden;
  border-radius: 28px;
}
.media-zoom img {
  transition: transform 0.9s var(--ease);
  will-change: transform;
}
.media-zoom:hover img {
  transform: scale(1.06);
}

/* Accordion -------------------------------------------------------------- */
.acc-panel {
  overflow: hidden;
  max-height: 0;
  transition: max-height 0.5s var(--ease), opacity 0.4s var(--ease);
  opacity: 0;
}
.acc-item.is-open .acc-panel {
  opacity: 1;
}
.acc-item.is-open .acc-icon {
  transform: rotate(45deg);
  background: var(--eco);
  color: #fff;
}
.acc-icon {
  transition: transform 0.45s var(--ease), background-color 0.35s var(--ease),
    color 0.35s var(--ease);
}

/* Decorative --------------------------------------------------------------*/
.blob {
  position: absolute;
  border-radius: 48% 52% 63% 37% / 42% 38% 62% 58%;
  filter: blur(0.5px);
  opacity: 0.5;
  animation: blobFloat 18s ease-in-out infinite;
  pointer-events: none;
}
@keyframes blobFloat {
  0%,
  100% {
    transform: translate3d(0, 0, 0) rotate(0deg) scale(1);
  }
  50% {
    transform: translate3d(0, -26px, 0) rotate(12deg) scale(1.06);
  }
}

.leaf-float {
  animation: leafFloat 9s ease-in-out infinite;
}
@keyframes leafFloat {
  0%,
  100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-14px) rotate(8deg);
  }
}

.grid-pattern {
  background-image: linear-gradient(rgba(14, 59, 43, 0.055) 1px, transparent 1px),
    linear-gradient(90deg, rgba(14, 59, 43, 0.055) 1px, transparent 1px);
  background-size: 46px 46px;
}

.gradient-move {
  background: linear-gradient(120deg, var(--forest-deep), #0f4b34, var(--eco), #0f4b34, var(--forest-deep));
  background-size: 300% 300%;
  animation: gradientShift 16s ease infinite;
}
@keyframes gradientShift {
  0%,
  100% {
    background-position: 0% 50%;
  }
  50% {
    background-position: 100% 50%;
  }
}

.text-gradient {
  background: linear-gradient(100deg, var(--eco), #7ac89a);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

/* Process timeline line -------------------------------------------------- */
.timeline-line {
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 1.6s var(--ease);
}
.timeline-line.is-visible {
  transform: scaleX(1);
}

/* Floating actions ------------------------------------------------------- */
.floating-btn {
  opacity: 0;
  transform: translateY(16px) scale(0.9);
  pointer-events: none;
  transition: opacity 0.4s var(--ease), transform 0.4s var(--ease),
    background-color 0.3s var(--ease);
}
.floating-btn.is-visible {
  opacity: 1;
  transform: none;
  pointer-events: auto;
}
.pulse-ring::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: 999px;
  background: currentColor;
  opacity: 0.35;
  animation: pulseRing 2.4s ease-out infinite;
  z-index: -1;
}
@keyframes pulseRing {
  0% {
    transform: scale(1);
    opacity: 0.35;
  }
  70% {
    transform: scale(1.7);
    opacity: 0;
  }
  100% {
    opacity: 0;
  }
}

/* Forms ------------------------------------------------------------------ */
.field {
  width: 100%;
  border-radius: 16px;
  border: 1.5px solid var(--line);
  background: #fff;
  padding: 0.9rem 1.05rem;
  font-size: 0.95rem;
  color: var(--charcoal);
  transition: border-color 0.3s var(--ease), box-shadow 0.3s var(--ease);
}
.field::placeholder {
  color: #9aa5a0;
}
.field:focus {
  border-color: var(--eco);
  box-shadow: 0 0 0 4px rgba(47, 158, 99, 0.14);
  outline: none;
}
.field[aria-invalid="true"] {
  border-color: #c0392b;
  box-shadow: 0 0 0 4px rgba(192, 57, 43, 0.12);
}
.field-error {
  display: none;
  color: #b93b2b;
  font-size: 0.8rem;
  margin-top: 0.35rem;
  font-weight: 600;
}
.field-error.is-shown {
  display: block;
}
.label {
  display: block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--forest);
  margin-bottom: 0.45rem;
  letter-spacing: 0.01em;
}

/* Marquee-free subtle utilities ------------------------------------------ */
.hairline {
  border-top: 1px solid var(--line);
}

/* Reduced motion --------------------------------------------------------- */
@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
  *,
  *::before,
  *::after {
    animation-duration: 0.001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.001ms !important;
    scroll-behavior: auto !important;
  }
  [data-reveal] {
    opacity: 1 !important;
    transform: none !important;
  }
  .timeline-line {
    transform: scaleX(1) !important;
  }
}