/* ========== FONTS ========== */
/* Скачай эти шрифты с Google Fonts и положи в /fonts/ */
@font-face {
  font-family: "GardenSans";
  src: url("../fonts/Poppins-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "GardenSans";
  src: url("../fonts/Poppins-SemiBold.ttf") format("truetype");
  font-weight: 600;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: "GardenSerif";
  src: url("../fonts/Merriweather-Regular.ttf") format("truetype");
  font-weight: 400;
  font-style: normal;
  font-display: swap;
}

/* ========== RESET & BASE ========== */
*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "GardenSans", system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    sans-serif;
  color: #f5f9f2;
  background-color: #031109;
}

/* “Газонный” общий фон с лёгкими пятнами света */
.gn-body {
  min-height: 100vh;
  background:
    radial-gradient(circle at 12% 20%, rgba(23, 82, 48, 0.9) 0, transparent 55%),
    radial-gradient(circle at 85% 0%, rgba(16, 105, 65, 0.7) 0, transparent 55%),
    radial-gradient(circle at 0% 100%, rgba(10, 63, 38, 0.75) 0, transparent 52%),
    linear-gradient(160deg, #021308 0%, #062718 50%, #020b06 100%);
  background-attachment: fixed;
  position: relative;
  overflow-x: hidden;
}

.gn-body::before {
  /* лёгкий шум, как текстура травы */
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  opacity: 0.15;
  background-image: url("../images/gn-grass-noise.jpg");
  background-size: cover;
  mix-blend-mode: soft-light;
  z-index: -1;
}

/* ========== LAYOUT HELPERS ========== */

.gn-wrap {
  width: 100%;
  max-width: 1120px;
  margin-inline: auto;
  padding-inline: 1.5rem;
}

.gn-main {
  padding-top: 5.5rem; /* компенсируем фиксированный хедер */
}

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

.gn-header {
  position: fixed;
  inset-inline: 0;
  top: 0;
  z-index: 40;
  backdrop-filter: blur(14px);
  background: linear-gradient(
    to bottom,
    rgba(3, 18, 10, 0.96),
    rgba(3, 18, 10, 0.92),
    transparent
  );
  border-bottom: 1px solid rgba(179, 222, 180, 0.25);
}

.gn-header__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.75rem;
  padding-block: 0.65rem;
}

.gn-header__grass {
  height: 6px;
  background-image: linear-gradient(
    90deg,
    #73c36c 0%,
    #9ae06d 25%,
    #3fa757 55%,
    #a4e67c 80%,
    #73c36c 100%
  );
  mask-image: linear-gradient(to right, transparent, black 15%, black 85%, transparent);
}

/* Logo */
.gn-logo {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  text-decoration: none;
  color: #f6fff1;
  font-weight: 600;
  letter-spacing: 0.04em;
}

.gn-logo__mark {
  width: 32px;
  height: 32px;
  border-radius: 999px;
  background:
    radial-gradient(circle at 30% 25%, #fdfbe5 0, transparent 55%),
    radial-gradient(circle at 75% 85%, #ffe46b 0, transparent 60%),
    conic-gradient(from 210deg, #264d28, #5aa948, #9cd85d, #264d28);
  box-shadow:
    0 0 0 2px rgba(16, 81, 44, 0.8),
    0 0 35px rgba(156, 219, 93, 0.85);
  position: relative;
}

.gn-logo__mark::after {
  content: "";
  position: absolute;
  inset: 32%;
  border-radius: inherit;
  background: radial-gradient(circle at 40% 30%, #fdfdf6 0, transparent 70%);
  opacity: 0.8;
}

.gn-logo__text {
  font-size: 1rem;
}

/* Nav */
.gn-nav {
  display: flex;
  align-items: center;
  gap: 1.25rem;
}

.gn-nav__list {
  list-style: none;
  display: flex;
  align-items: center;
  gap: 1.5rem;
  margin: 0;
  padding: 0;
}

.gn-nav__list a {
  position: relative;
  text-decoration: none;
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: #d7efd4;
  padding-block: 0.4rem;
}

.gn-nav__list a::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0.1rem;
  width: 100%;
  height: 2px;
  border-radius: 999px;
  transform-origin: left;
  transform: scaleX(0);
  background: linear-gradient(90deg, #c8ff7c, #80ffb3);
  transition: transform 0.26s ease-out;
}

.gn-nav__list a:hover::after,
.gn-nav__list a:focus-visible::after,
.gn-nav__list a[aria-current="page"]::after {
  transform: scaleX(1);
}

.gn-nav__list a[aria-current="page"] {
  color: #ffffff;
}

/* Burger */
/* === BURGER BUTTON === */

.gn-nav__toggle {
  display: none; /* показываем только на мобилке через media-query */
  position: relative;
  width: 40px;
  height: 40px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid rgba(187, 238, 175, 0.9);
  background:
    radial-gradient(circle at 30% 20%, rgba(255, 255, 255, 0.12) 0, transparent 55%),
    radial-gradient(circle at 70% 90%, rgba(163, 255, 146, 0.18) 0, transparent 60%),
    radial-gradient(circle at 50% 50%, #04160b 0, #062515 60%, #020906 100%);
  box-shadow:
    0 0 0 1px rgba(19, 77, 41, 0.8),
    0 12px 25px rgba(1, 12, 6, 0.85);
  cursor: pointer;
  transition:
    transform 0.18s ease-out,
    box-shadow 0.18s ease-out,
    border-color 0.18s ease-out,
    background 0.18s ease-out;
  overflow: hidden;
}

.gn-nav__toggle::before {
  /* мягкое свечение по кругу */
  content: "";
  position: absolute;
  inset: 6px;
  border-radius: inherit;
  background: radial-gradient(circle at 20% 15%, rgba(255, 255, 255, 0.28), transparent 60%);
  opacity: 0.4;
  pointer-events: none;
}

.gn-nav__toggle:hover {
  transform: translateY(-1px);
  box-shadow:
    0 0 0 1px rgba(188, 249, 167, 0.9),
    0 16px 32px rgba(1, 17, 7, 0.9);
  border-color: rgba(205, 255, 181, 0.9);
}

.gn-nav__toggle.is-open {
  transform: translateY(0) scale(0.97);
  box-shadow:
    0 0 0 1px rgba(188, 249, 167, 0.9),
    0 10px 22px rgba(0, 0, 0, 0.9);
  background:
    radial-gradient(circle at 50% 0, rgba(214, 255, 184, 0.2) 0, transparent 55%),
    radial-gradient(circle at 50% 80%, rgba(140, 255, 162, 0.18) 0, transparent 60%),
    radial-gradient(circle at 50% 50%, #031108 0, #041e11 60%, #020806 100%);
}

/* центральная линия + псевдоэлементы как верх/низ */

.gn-nav__line {
  position: relative;
  width: 18px;
  height: 2px;
  border-radius: 999px;
  background: #f4ffe0;
  transition:
    background 0.18s ease-out,
    transform 0.18s ease-out;
}

.gn-nav__line::before,
.gn-nav__line::after {
  content: "";
  position: absolute;
  left: 0;
  width: 100%;
  height: 2px;
  border-radius: inherit;
  background: #f4ffe0;
  transition: transform 0.18s ease-out, background 0.18s ease-out;
}

.gn-nav__line::before {
  transform: translateY(-6px);
}

.gn-nav__line::after {
  transform: translateY(6px);
}

/* состояние открыт: превращаемся в крестик */

.gn-nav__toggle.is-open .gn-nav__line {
  background: transparent;
  transform: translateX(0);
}

.gn-nav__toggle.is-open .gn-nav__line::before {
  transform: rotate(45deg);
}

.gn-nav__toggle.is-open .gn-nav__line::after {
  transform: rotate(-45deg);
}


/* Footer */

.gn-footer {
  margin-top: 4rem;
  background: radial-gradient(circle at 0 0, #194728 0, transparent 55%),
    radial-gradient(circle at 100% 100%, #194728 0, transparent 55%),
    #051509;
  border-top: 1px solid rgba(187, 231, 181, 0.2);
}

.gn-footer__grid {
  display: grid;
  grid-template-columns: minmax(0, 2fr) repeat(2, minmax(0, 1fr));
  gap: 2.5rem;
  padding-block: 2.5rem;
}

.gn-foot__brand p {
  margin-top: 0.75rem;
  font-size: 0.9rem;
  line-height: 1.7;
  color: #d3eed0;
}

.gn-foot__title {
  font-size: 0.9rem;
  text-transform: uppercase;
  letter-spacing: 0.18em;
  margin: 0 0 0.75rem;
  color: #eefde4;
}

.gn-foot__nav ul,
.gn-foot__meta ul {
  list-style: none;
  padding: 0;
  margin: 0 0 0.75rem;
}

.gn-foot__nav a,
.gn-foot__meta a {
  font-size: 0.9rem;
  color: #d3eed0;
  text-decoration: none;
}

.gn-foot__nav a:hover,
.gn-foot__meta a:hover {
  text-decoration: underline;
}

.gn-foot__note {
  margin: 0;
  font-size: 0.8rem;
  color: #b6d9b3;
}

.gn-footer__line {
  border-top: 1px solid rgba(151, 203, 145, 0.4);
  padding-block: 0.85rem;
  text-align: center;
  font-size: 0.8rem;
  color: #cdeac9;
}

/* Buttons & links */

.gn-btn {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  padding: 0.75rem 1.6rem;
  border-radius: 999px;
  border: none;
  cursor: pointer;
  font-family: inherit;
  font-size: 0.92rem;
  text-decoration: none;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  overflow: hidden;
}

.gn-btn--primary {
  background: linear-gradient(135deg, #b5ff6e, #7fffb8);
  color: #033212;
  box-shadow:
    0 0 0 1px rgba(27, 87, 55, 0.4),
    0 18px 35px rgba(6, 43, 24, 0.9);
}

.gn-btn--primary:hover {
  filter: brightness(1.04);
}

.gn-btn__glow {
  position: absolute;
  inset: -30%;
  background: radial-gradient(circle at 10% 0, rgba(255, 255, 255, 0.65), transparent 55%);
  opacity: 0;
  transform: translateX(-40%);
  transition: transform 0.4s ease-out, opacity 0.4s ease-out;
}

.gn-btn--primary:hover .gn-btn__glow {
  opacity: 1;
  transform: translateX(25%);
}

.gn-link-pill {
  border-radius: 999px;
  padding: 0.65rem 1.2rem;
  border: 1px solid rgba(202, 237, 192, 0.65);
  background: transparent;
  color: #e0f9da;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  cursor: pointer;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.35rem;
}

.gn-link-pill::after {
  content: "⤵";
  font-size: 0.85rem;
  transform: translateY(1px);
}

/* Sections base */

.gn-section {
  padding-block: 4.5rem;
}

/* Scroll reveal */

.reveal-on-scroll {
  opacity: 0;
  transform: translateY(18px) scale(0.98);
  transition:
    opacity 0.6s ease-out,
    transform 0.6s ease-out;
}

.reveal-on-scroll.is-visible {
  opacity: 1;
  transform: translateY(0) scale(1);
}

/* ========== RESPONSIVE ========== */

@media (max-width: 960px) {
  .gn-footer__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  }

  .gn-header__inner {
    padding-inline: 1rem;
  }
}

@media (max-width: 768px) {
  .gn-main {
    padding-top: 4.75rem;
  }

  .gn-nav__toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;

  }

  .gn-nav__list {
    position: absolute;
    right: 1.5rem;
    top: 3.2rem;
    flex-direction: column;
    align-items: flex-end;
    gap: 0.75rem;
    padding: 0.8rem 1.2rem;
    border-radius: 1.25rem;
    background: rgba(1, 18, 7, 0.96);
    border: 1px solid rgba(180, 228, 171, 0.5);
    transform-origin: top right;
    transform: scale(0.8);
    opacity: 0;
    pointer-events: none;
    transition: opacity 0.18s ease-out, transform 0.18s ease-out;
  }

  .gn-nav__list.is-open {
    opacity: 1;
    pointer-events: auto;
    transform: scale(1);
  }

  .gn-footer__grid {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (max-width: 480px) {
  .gn-header__inner {
    gap: 1rem;
  }

  .gn-logo__text {
    font-size: 0.9rem;
  }

  .gn-footer {
    margin-top: 3rem;
  }
}