:root {
  --color-accent: #0EA064;
  --color-accent-hover: #0c8a54;
  --color-accent-light: rgba(14, 160, 100, 0.1);
  --color-bg: #f8fdfb;
  --color-bg-dark: #0a2a1a;
  --color-text: #333333;
  --color-text-light: #ffffff;
  --color-text-secondary: #666666;
  --font-main: 'Roboto Condensed', sans-serif;
  --font-heading: 'Russo One', sans-serif;
  --font-display: 'HelveticaNowDisplay-Medium', sans-serif;
  --transition-default: all 0.3s ease;
  --transition-smooth: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
  --shadow-default: 0 4px 20px rgba(0, 0, 0, 0.12);
  --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.2);
  --shadow-accent: 0 8px 32px rgba(14, 160, 100, 0.3);
  --border-radius: 16px;
  --border-radius-sm: 8px;
  --border-radius-lg: 24px;
  --container-max-width: 1200px;
  --section-padding: 120px;
  --section-padding-mobile: 60px;
  --grid-gap: 40px;
  --grid-gap-mobile: 24px;
}

/* TYPOGRAPHY SYSTEM */
.display-1 {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4.5rem);
  font-weight: 400;
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.display-2 {
  font-family: var(--font-heading);
  font-size: clamp(2rem, 4vw, 3.5rem);
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.display-3 {
  font-family: var(--font-heading);
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 400;
  line-height: 1.2;
}

.heading-1 {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2rem);
  font-weight: 500;
  line-height: 1.3;
}

.heading-2 {
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.5rem);
  font-weight: 500;
  line-height: 1.4;
}

.body-large {
  font-family: var(--font-main);
  font-size: clamp(1.125rem, 1.5vw, 1.25rem);
  font-weight: 400;
  line-height: 1.6;
}

.body-medium {
  font-family: var(--font-main);
  font-size: 1rem;
  font-weight: 400;
  line-height: 1.6;
}

.body-small {
  font-family: var(--font-main);
  font-size: 0.875rem;
  font-weight: 400;
  line-height: 1.5;
}

.caption {
  font-family: var(--font-main);
  font-size: 0.75rem;
  font-weight: 400;
  line-height: 1.4;
}

/* BASE STYLES */
* {
  padding: 0;
  margin: 0;
  border: 0;
  box-sizing: border-box;
}

*:focus {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-weight: 400;
  font-size: 1rem;
  line-height: 1.6;
  color: var(--color-text);
  background-color: var(--color-bg);
  min-height: 100vh;
  overflow-x: hidden;
}

/* UTILITY CLASSES */
.container {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 3vw, 2rem);
}

.grid {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: var(--grid-gap);
}

.grid-gap-sm {
  gap: calc(var(--grid-gap) / 2);
}

.grid-gap-lg {
  gap: calc(var(--grid-gap) * 2);
}

.col-span-1 { grid-column: span 1; }
.col-span-2 { grid-column: span 2; }
.col-span-3 { grid-column: span 3; }
.col-span-4 { grid-column: span 4; }
.col-span-5 { grid-column: span 5; }
.col-span-6 { grid-column: span 6; }
.col-span-7 { grid-column: span 7; }
.col-span-8 { grid-column: span 8; }
.col-span-9 { grid-column: span 9; }
.col-span-10 { grid-column: span 10; }
.col-span-11 { grid-column: span 11; }
.col-span-12 { grid-column: span 12; }

.col-start-1 { grid-column-start: 1; }
.col-start-2 { grid-column-start: 2; }
.col-start-3 { grid-column-start: 3; }
.col-start-4 { grid-column-start: 4; }
.col-start-5 { grid-column-start: 5; }
.col-start-6 { grid-column-start: 6; }
.col-start-7 { grid-column-start: 7; }
.col-start-8 { grid-column-start: 8; }
.col-start-9 { grid-column-start: 9; }
.col-start-10 { grid-column-start: 10; }
.col-start-11 { grid-column-start: 11; }
.col-start-12 { grid-column-start: 12; }

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

.text-accent { 
  color: var(--color-accent);
}
.text-white { color: var(--color-text-light); }
.text-dark { color: var(--color-text); }
.text-secondary { color: var(--color-text-secondary); }

.bg-dark { background-color: var(--color-bg-dark); }
.bg-white { background-color: var(--color-text-light); }

.section-padding {
  padding: var(--section-padding) 0;
}

.section-padding-top {
  padding-top: var(--section-padding);
}

.section-padding-bottom {
  padding-bottom: var(--section-padding);
}

.section-padding-mobile {
  padding: var(--section-padding-mobile) 0;
}

.btn {
  display: inline-block;
  padding: 16px 32px;
  border-radius: var(--border-radius);
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 1rem;
  text-align: center;
  cursor: pointer;
  transition: var(--transition-default);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  border: 2px solid var(--color-accent);
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn:hover {
  background-color: var(--color-accent-hover);
  border-color: var(--color-accent-hover);
  transform: translateY(-2px);
  box-shadow: var(--shadow-hover);
}

.btn-outline {
  background-color: transparent;
  color: var(--color-accent);
}

.btn-outline:hover {
  background-color: var(--color-accent);
  color: var(--color-text-light);
}

.btn-large {
  padding: 20px 40px;
  font-size: 1.125rem;
}

.btn-small {
  padding: 12px 24px;
  font-size: 0.875rem;
}

.img-fluid {
  max-width: 100%;
  height: auto;
  display: block;
}

.img-rounded {
  border-radius: var(--border-radius);
}

.img-cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.video-fluid {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  display: block;
}

/* HEADER */
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(10, 42, 26, 0.95);
  backdrop-filter: blur(10px);
  padding: 1rem 0;
  transition: var(--transition-default);
}

.header.scrolled {
  padding: 0.75rem 0;
  box-shadow: var(--shadow-default);
}

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

.header__left {
  display: flex;
  align-items: center;
  gap: 1.5rem;
}

.header__logo {
  width: 60px;
  height: auto;
}

.header__location {
  font-family: var(--font-main);
  font-size: 0.875rem;
  color: var(--color-text-light);
  line-height: 1.4;
}

.header__menu-toggle {
  display: none;
  flex-direction: column;
  cursor: pointer;
  padding: 0.5rem;
  z-index: 1001;
}

.header__menu-toggle span {
  width: 25px;
  height: 3px;
  background: var(--color-text-light);
  margin: 3px 0;
  transition: var(--transition-default);
  border-radius: 2px;
}

.header__menu-toggle.active span:nth-child(1) {
  transform: rotate(45deg) translate(5px, 5px);
}

.header__menu-toggle.active span:nth-child(2) {
  opacity: 0;
}

.header__menu-toggle.active span:nth-child(3) {
  transform: rotate(-45deg) translate(7px, -6px);
}

.header__nav {
  display: block;
}

.header__list {
  display: flex;
  gap: 0.5rem;
  list-style: none;
}

.header__item a {
  color: var(--color-text-light);
  text-decoration: none;
  padding: 0.75rem 1rem;
  display: block;
  transition: var(--transition-default);
  font-family: var(--font-main);
  font-weight: 500;
  font-size: 1rem;
  border-radius: 4px;
}

.header__item a:hover,
.header__item a:focus {
  background-color: rgba(14, 160, 100, 0.2);
  text-decoration: none;
}

.header__lang-switcher {
  position: relative;
  margin-right: 1.5rem;
}

.lang-current {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.3);
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-default);
  min-width: 70px;
}

.lang-current:hover {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lang-current__arrow {
  transition: transform 0.3s ease;
}

.header__lang-switcher.open .lang-current__arrow {
  transform: rotate(180deg);
}

.header__lang-switcher.open .lang-current {
  border-color: var(--color-accent);
  color: var(--color-accent);
}

.lang-dropdown {
  position: absolute;
  top: calc(100% + 0.5rem);
  right: 0;
  background: var(--color-bg-dark);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 4px;
  padding: 0.5rem;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-10px);
  transition: all 0.3s ease;
  z-index: 1000;
  min-width: 70px;
}

.header__lang-switcher.open .lang-dropdown {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.lang-option {
  background: transparent;
  border: none;
  color: var(--color-text-light);
  font-family: var(--font-primary);
  font-size: 0.875rem;
  font-weight: 500;
  padding: 0.5rem 0.75rem;
  border-radius: 4px;
  cursor: pointer;
  transition: var(--transition-default);
  text-align: left;
}

.lang-option:hover {
  background: rgba(14, 160, 100, 0.2);
  color: var(--color-accent);
}

.lang-option.active {
  background: var(--color-accent);
  color: var(--color-dark);
}

.header__socials {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.header__socials a {
  display: flex;
  align-items: center;
  justify-content: center;
  transition: var(--transition-default);
}

.header__socials img {
  width: 1.75rem;
  height: 1.75rem;
  transition: var(--transition-default);
}

.header__socials a:hover img {
  transform: translateY(-3px);
}

/* HERO SECTION */
.hero {
  background: linear-gradient(135deg, rgba(10, 42, 26, 0.85), rgba(14, 160, 100, 0.15)), url("../img/background.png") center/cover no-repeat;
  width: 100%;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  padding: 140px 0 100px;
  overflow: hidden;
}

.hero::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: radial-gradient(circle at 30% 50%, rgba(14, 160, 100, 0.15) 0%, transparent 60%);
  pointer-events: none;
}

.hero::after {
  content: '';
  position: absolute;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 160, 100, 0.2) 0%, transparent 70%);
  top: -200px;
  right: -200px;
  border-radius: 50%;
  animation: float 20s ease-in-out infinite;
  pointer-events: none;
}

.hero__content {
  width: 100%;
  max-width: var(--container-max-width);
  margin: 0 auto;
  padding: 0 clamp(1rem, 5vw, 2rem);
  text-align: center;
  position: relative;
  z-index: 2;
}

.hero__title {
  color: var(--color-text-light);
  margin-bottom: 2rem;
  animation: fadeInUp 1s ease;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  position: relative;
}

.hero__title span.text-accent {
  color: var(--color-accent);
  position: relative;
  display: inline-block;
}

.hero__title span.text-accent::after {
  content: '';
  position: absolute;
  bottom: -8px;
  left: 0;
  width: 100%;
  height: 4px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: slideIn 1s ease 0.5s both;
}

.hero__subtitle {
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto 3rem;
  opacity: 0.95;
  animation: fadeInUp 1s ease 0.2s both;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  line-height: 1.8;
}

.hero__cta {
  animation: fadeInUp 1s ease 0.4s both;
}

.hero__scroll {
  position: absolute;
  bottom: 40px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  animation: fadeIn 1s ease 1s both;
  z-index: 2;
}

.hero__scroll-text {
  color: var(--color-text-light);
  font-size: 0.875rem;
  text-transform: uppercase;
  letter-spacing: 2px;
  opacity: 0.8;
}

.hero__scroll-icon {
  width: 30px;
  height: 50px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-radius: 20px;
  position: relative;
}

.hero__scroll-icon::after {
  content: '';
  position: absolute;
  top: 8px;
  left: 50%;
  transform: translateX(-50%);
  width: 4px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 2px;
  animation: scrollDown 2s ease-in-out infinite;
}

/* ABOUT SECTION */
.about {
  position: relative;
  background: linear-gradient(to bottom, var(--color-bg), #f0faf6);
}

.about__container {
  position: relative;
  z-index: 2;
}

.about__header {
  margin-bottom: 4rem;
  text-align: center;
}

.about__stats {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 2rem;
  margin-bottom: 4rem;
}

.about__stat {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-sm);
  transition: var(--transition-smooth);
}

.about__stat:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-hover);
}

.about__stat-number {
  font-family: var(--font-heading);
  font-size: clamp(2.5rem, 5vw, 4rem);
  color: var(--color-accent);
  margin-bottom: 0.5rem;
  line-height: 1;
}

.about__stat-label {
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-text-secondary);
  text-transform: uppercase;
  letter-spacing: 1px;
}

.about__grid {
  align-items: center;
  gap: 6rem;
}

.about__content {
  grid-column: span 5;
}

.about__text {
  margin-bottom: 2rem;
}

.about__text:last-child {
  margin-bottom: 0;
}

.about__highlight {
  color: var(--color-accent);
  font-weight: 700;
}

.about__images-wrapper {
  grid-column: span 7;
  position: relative;
  height: 650px;
}

.about__image {
  position: absolute;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
}

.about__image img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
}

.about__image--primary {
  width: 65%;
  height: 420px;
  top: 30px;
  left: 0;
  z-index: 3;
}

.about__image--secondary {
  width: 58%;
  height: 380px;
  bottom: 20px;
  right: 0;
  z-index: 4;
}

/* FOUNDERS SECTION */
.founders {
  background: linear-gradient(135deg, var(--color-bg-dark) 0%, #0f3828 100%);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.founders::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -10%;
  width: 600px;
  height: 600px;
  background: radial-gradient(circle, rgba(14, 160, 100, 0.15) 0%, transparent 70%);
  border-radius: 50%;
}

.founders__header {
  margin-bottom: 4rem;
  text-align: center;
  position: relative;
  z-index: 2;
}

.founders__grid {
  justify-items: stretch;
  align-items: stretch;
  position: relative;
  z-index: 2;
}

.founder {
  grid-column: span 4;
  text-align: center;
  transition: var(--transition-smooth);
  background: rgba(255, 255, 255, 0.05);
  backdrop-filter: blur(10px);
  border-radius: var(--border-radius-lg);
  padding: 3rem 2rem;
  border: 1px solid rgba(255, 255, 255, 0.1);
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 420px;
}

.founder::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: linear-gradient(135deg, rgba(14, 160, 100, 0.1) 0%, transparent 100%);
  border-radius: var(--border-radius-lg);
  opacity: 0;
  transition: var(--transition-smooth);
  pointer-events: none;
}

.founder:hover {
  transform: translateY(-15px);
  box-shadow: var(--shadow-accent);
  border-color: var(--color-accent);
}

.founder:hover::before {
  opacity: 1;
}

.founder__image {
  width: 180px;
  height: 180px;
  border-radius: 50%;
  overflow: hidden;
  margin: 0 auto 1.5rem;
  border: 4px solid var(--color-accent);
  box-shadow: 0 8px 24px rgba(14, 160, 100, 0.4);
  transition: var(--transition-smooth);
  position: relative;
  z-index: 2;
}

.founder:hover .founder__image {
  transform: scale(1.1);
  box-shadow: 0 12px 32px rgba(14, 160, 100, 0.6);
}

.founder__image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition-smooth);
}

.founder:hover .founder__image img {
  filter: brightness(1.1);
}

.founder__name {
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  margin-bottom: 0.75rem;
  color: var(--color-text-light);
}

.founder__role {
  font-family: var(--font-main);
  font-size: 1rem;
  color: var(--color-accent);
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 1rem;
}

.founder__description {
  font-family: var(--font-main);
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.7);
  line-height: 1.6;
  flex-grow: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* ACHIEVEMENTS SECTION */
.achievements {
  position: relative;
  background: linear-gradient(to bottom, #f0faf6, var(--color-bg));
}

.achievements__header {
  margin-bottom: 4rem;
  text-align: center;
}

.achievements__intro {
  grid-column: span 12;
  margin-bottom: 4rem;
}

.achievements__intro-grid {
  gap: var(--grid-gap);
}

.achievements__intro-item {
  grid-column: span 4;
  text-align: center;
  padding: 2.5rem 2rem;
  background: white;
  border-radius: var(--border-radius-lg);
  transition: var(--transition-smooth);
  box-shadow: var(--shadow-sm);
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
}

.achievements__intro-item p {
  text-align: center;
  margin: 0;
}

.achievements__intro-item:nth-child(1),
.achievements__intro-item:nth-child(2) {
  text-align: left;
  justify-content: flex-start;
}

.achievements__intro-item:nth-child(1) p,
.achievements__intro-item:nth-child(2) p {
  text-align: left;
}

.achievements__intro-item::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--color-accent), #0c8a54);
  transform: scaleX(0);
  transition: var(--transition-smooth);
}

.achievements__intro-item:hover {
  transform: translateY(-10px);
  box-shadow: var(--shadow-hover);
}

.achievements__intro-item:hover::before {
  transform: scaleX(1);
}

.achievements__content {
  grid-column: span 12;
  margin-top: 3rem;
}

.achievements__media {
  grid-column: span 7;
  position: relative;
}

.achievements__video {
  position: relative;
  border-radius: var(--border-radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-hover);
  border: 8px solid white;
}

.achievements__video::before {
  content: '';
  position: absolute;
  top: -50%;
  left: -50%;
  width: 200%;
  height: 200%;
  background: linear-gradient(45deg, transparent, rgba(14, 160, 100, 0.1), transparent);
  transform: rotate(45deg);
  animation: shimmer 3s infinite;
  pointer-events: none;
  z-index: 1;
}

.achievements__video video {
  width: 100%;
  height: auto;
  display: block;
  position: relative;
  z-index: 0;
}

.achievements__info {
  grid-column: span 5;
  display: flex;
  flex-direction: column;
  gap: 2rem;
}

.achievements__text {
  padding: 2rem;
  background: white;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  border-left: 4px solid var(--color-accent);
}

.achievements__form {
  background: linear-gradient(135deg, rgba(14, 160, 100, 0.95), rgba(12, 138, 84, 0.95));
  padding: 3rem 2.5rem;
  border-radius: var(--border-radius-lg);
  text-align: center;
  box-shadow: var(--shadow-accent);
  color: white;
  position: relative;
  overflow: hidden;
}

.achievements__form::before {
  content: '';
  position: absolute;
  top: -50%;
  right: -50%;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.1) 0%, transparent 70%);
  border-radius: 50%;
}

.achievements__form-title {
  margin-bottom: 1.5rem;
  color: white;
  position: relative;
  z-index: 2;
}

.achievements__form-text {
  margin-bottom: 2rem;
  opacity: 0.95;
  position: relative;
  z-index: 2;
}

.achievements__form .btn {
  background: white;
  color: var(--color-accent);
  border-color: white;
  position: relative;
  z-index: 2;
  font-weight: 600;
}

.achievements__form .btn:hover {
  background: rgba(255, 255, 255, 0.9);
  transform: translateY(-3px);
}

/* KIDS SECTION */
.kids {
  background: linear-gradient(to bottom, var(--color-bg), #e8f8f2);
}

.kids__header {
  margin-bottom: 3rem;
  text-align: center;
}

.kids__title span {
  color: var(--color-accent);
}

.kids__grid {
  align-items: center;
}

.kids__content {
  grid-column: span 6;
}

.kids__text {
  margin-bottom: 2rem;
}

.kids__highlight {
  color: var(--color-accent);
  font-weight: 700;
}

.kids__cta {
  text-align: center;
  margin: 2rem 0;
}

.kids__images {
  grid-column: span 6;
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: var(--grid-gap);
}

.kids__image {
  border-radius: var(--border-radius);
  overflow: hidden;
  box-shadow: var(--shadow-default);
}

.kids__image img {
  width: 100%;
  height: auto;
  display: block;
  transition: var(--transition-default);
}

.kids__image:hover img {
  transform: scale(1.05);
}

.kids__video {
  grid-column: span 12;
  margin-top: 3rem;
}

.kids__video video {
  width: 100%;
  height: auto;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-default);
}

/* SPONSOR SECTION */
.sponsor {
  position: relative;
  overflow: hidden;
}

.sponsor__grid {
  align-items: center;
  position: relative;
  z-index: 2;
}

.sponsor__content {
  grid-column: span 5;
}

.sponsor__header {
  margin-bottom: 2rem;
}

.sponsor__subtitle {
  margin-bottom: 2rem;
  opacity: 0.9;
}

.sponsor__benefits {
  margin-bottom: 2rem;
  padding: 1.5rem;
  background: rgba(14, 160, 100, 0.05);
  border-radius: var(--border-radius);
}

.sponsor__benefits strong {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

.sponsor__benefits br {
  margin-bottom: 0.5rem;
  display: block;
  content: "";
}

.sponsor__image {
  grid-column: span 1;
  justify-self: center;
  padding: 0 2rem;
}

.sponsor__image img {
  max-width: 100%;
  height: auto;
}

.sponsor__contacts {
  grid-column: span 5;
  padding: 1.5rem;
  background: rgba(10, 42, 26, 0.05);
  border-radius: var(--border-radius);
}

.sponsor__contacts strong {
  display: block;
  margin-bottom: 1rem;
  color: var(--color-accent);
}

/* SOCIALS SECTION */
.socials {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  position: relative;
  overflow: hidden;
}

.socials__header {
  margin-bottom: 3rem;
  text-align: center;
}

.socials__title span {
  color: var(--color-accent);
}

.socials__subtitle {
  max-width: 700px;
  margin: 0 auto 2rem;
  opacity: 0.9;
  text-align: center;
}

.socials__grid {
  gap: 4rem;
}

.socials__club {
  grid-column: span 6;
  text-align: center;
}

.socials__club-image {
  position: relative;
  border-radius: var(--border-radius);
  overflow: hidden;
  margin-bottom: 1.5rem;
  box-shadow: var(--shadow-default);
}

.socials__club-image img {
  width: 100%;
  height: auto;
  display: block;
}

.socials__club-links {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  align-items: center;
}

.socials__club-link {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  text-decoration: none;
  color: var(--color-text-light);
  padding: 0.75rem 1.5rem;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.1);
  transition: var(--transition-default);
  width: fit-content;
  margin: 0 auto;
}

.socials__club-link:hover {
  background: var(--color-accent);
  transform: translateY(-3px);
}

.socials__club-link img {
  width: 1.5rem;
  height: 1.5rem;
}

/* CONTACTS SECTION */
.contacts {
  background: linear-gradient(to bottom, var(--color-bg), #f0faf6);
}

.contacts__header {
  margin-bottom: 4rem;
  text-align: center;
}

.contacts__grid {
  gap: 5rem;
  align-items: start;
}

.contacts__form-wrapper {
  grid-column: span 6;
}

.contacts__form {
  background: white;
  padding: 3rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-hover);
}

.form-group {
  margin-bottom: 2rem;
  position: relative;
}

.form-label {
  display: block;
  margin-bottom: 0.75rem;
  font-weight: 600;
  color: var(--color-text);
  transition: var(--transition-default);
}

.form-control {
  width: 100%;
  padding: 1rem 1.25rem;
  border: 2px solid #e0e0e0;
  border-radius: var(--border-radius-sm);
  font-family: var(--font-main);
  font-size: 1rem;
  transition: var(--transition-default);
  background: white;
}

.form-control:focus {
  border-color: var(--color-accent);
  box-shadow: 0 0 0 4px rgba(14, 160, 100, 0.1);
  outline: none;
}

.form-control:focus + .form-label {
  color: var(--color-accent);
}

.form-group--error .form-control {
  border-color: #e74c3c;
  background: #fff5f5;
}

.form-group--error .form-label {
  color: #e74c3c;
}

.form-group--success .form-control {
  border-color: var(--color-accent);
  background: #f0fdf4;
}

.form-error {
  color: #e74c3c;
  font-size: 0.875rem;
  margin-top: 0.5rem;
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.form-error::before {
  content: '⚠';
  font-size: 1rem;
}

.form-radio-group {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-top: 1rem;
}

.form-radio {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 1rem;
  border: 2px solid #e0e0e0;
  border-radius: var(--border-radius-sm);
  cursor: pointer;
  transition: var(--transition-default);
  background: white;
}

.form-radio:hover {
  border-color: var(--color-accent);
  background: rgba(14, 160, 100, 0.03);
}

.form-radio input {
  width: 20px;
  height: 20px;
  cursor: pointer;
  accent-color: var(--color-accent);
}

.form-radio input:checked + span {
  color: var(--color-accent);
  font-weight: 600;
}

.form-radio input:disabled {
  cursor: not-allowed;
}

.form-radio:has(input:disabled) {
  opacity: 0.5;
  cursor: not-allowed;
  pointer-events: none;
}

.contacts__coaches {
  grid-column: span 6;
}

.contacts__coaches-title {
  margin-bottom: 2rem;
  color: var(--color-text);
  font-weight: 700;
}

.coach {
  background: white;
  padding: 2rem;
  border-radius: var(--border-radius-lg);
  box-shadow: var(--shadow-sm);
  margin-bottom: 1.5rem;
  transition: var(--transition-smooth);
  border-left: 4px solid var(--color-accent);
}

.coach:last-child {
  margin-bottom: 0;
}

.coach:hover {
  transform: translateX(8px);
  box-shadow: var(--shadow-hover);
}

.coach__name {
  font-weight: 700;
  font-size: 1.25rem;
  margin-bottom: 1rem;
  color: var(--color-text);
}

.coach__contacts {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
}

.coach__contact {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--color-text-secondary);
  text-decoration: none;
  transition: var(--transition-default);
  padding: 0.5rem;
  border-radius: var(--border-radius-sm);
}

.coach__contact:hover {
  color: var(--color-accent);
  background: rgba(14, 160, 100, 0.05);
  transform: translateX(4px);
}

/* NOTIFICATION */
.notification {
  position: fixed;
  top: 100px;
  right: -400px;
  max-width: 400px;
  background: white;
  border-radius: var(--border-radius);
  box-shadow: var(--shadow-hover);
  z-index: 10000;
  transition: right 0.3s ease;
  overflow: hidden;
}

.notification--show {
  right: 20px;
}

.notification--success {
  border-left: 4px solid var(--color-accent);
}

.notification--error {
  border-left: 4px solid #e74c3c;
}

.notification__content {
  display: flex;
  align-items: center;
  padding: 1.5rem;
  gap: 1rem;
}

.notification__icon {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  font-weight: bold;
  flex-shrink: 0;
}

.notification--success .notification__icon {
  background: var(--color-accent);
  color: white;
}

.notification--error .notification__icon {
  background: #e74c3c;
  color: white;
}

.notification__message {
  flex: 1;
  font-size: 0.95rem;
  line-height: 1.5;
  color: var(--color-text);
}

/* FOOTER */
.footer {
  background-color: var(--color-bg-dark);
  color: var(--color-text-light);
  padding: 3rem 0;
  text-align: center;
}

.footer__logo {
  width: 80px;
  height: auto;
  margin: 0 auto 1.5rem;
}

.footer__copyright {
  opacity: 0.7;
  font-size: 0.875rem;
}

/* ANIMATIONS */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

@keyframes fadeIn {
  from {
    opacity: 0;
  }
  to {
    opacity: 1;
  }
}

@keyframes slideIn {
  from {
    width: 0;
  }
  to {
    width: 100%;
  }
}

@keyframes scrollDown {
  0%, 20% {
    transform: translateX(-50%) translateY(0);
    opacity: 0;
  }
  50% {
    opacity: 1;
  }
  100% {
    transform: translateX(-50%) translateY(15px);
    opacity: 0;
  }
}

@keyframes float {
  0%, 100% {
    transform: translateY(0) rotate(0deg);
  }
  50% {
    transform: translateY(-30px) rotate(5deg);
  }
}

@keyframes shimmer {
  0% {
    transform: translateX(-100%) translateY(-100%) rotate(45deg);
  }
  100% {
    transform: translateX(100%) translateY(100%) rotate(45deg);
  }
}

/* RESPONSIVE DESIGN */

/* Large devices (desktops, 1200px and up) */
@media (min-width: 1200px) {
  .container {
    padding: 0 2rem;
  }
}

/* Medium devices (tablets, 992px and up) */
@media (min-width: 992px) and (max-width: 1199px) {
  :root {
    --container-max-width: 960px;
    --section-padding: 80px;
  }
  
  .col-md-span-1 { grid-column: span 1; }
  .col-md-span-2 { grid-column: span 2; }
  .col-md-span-3 { grid-column: span 3; }
  .col-md-span-4 { grid-column: span 4; }
  .col-md-span-5 { grid-column: span 5; }
  .col-md-span-6 { grid-column: span 6; }
  .col-md-span-7 { grid-column: span 7; }
  .col-md-span-8 { grid-column: span 8; }
  .col-md-span-9 { grid-column: span 9; }
  .col-md-span-10 { grid-column: span 10; }
  .col-md-span-11 { grid-column: span 11; }
  .col-md-span-12 { grid-column: span 12; }
  
  .about__stats {
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
  }
  
  .about__content,
  .about__images-wrapper {
    grid-column: span 12;
  }
  
  .about__images-wrapper {
    height: 550px;
    margin-top: 3rem;
  }
  
  .about__image--primary {
    width: 68%;
    height: 400px;
  }
  
  .about__image--secondary {
    width: 60%;
    height: 340px;
  }
  
  .achievements__intro-item {
    grid-column: span 4;
  }
  
  .achievements__media,
  .achievements__info,
  .contacts__form-wrapper,
  .contacts__coaches {
    grid-column: span 12;
  }
  
  .achievements__media {
    margin-bottom: 2rem;
  }
  
  .kids__content,
  .kids__images,
  .kids__video,
  .sponsor__content,
  .sponsor__image,
  .sponsor__contacts {
    grid-column: span 12;
    margin-top: 2rem;
  }
  
  .socials__club {
    grid-column: span 12;
  }
  
  .founder {
    grid-column: span 6;
    min-height: 400px;
  }
}

/* Small devices (landscape phones, 768px and up) */
@media (min-width: 768px) and (max-width: 991px) {
  :root {
    --container-max-width: 720px;
    --section-padding: 70px;
    --grid-gap: 24px;
  }
  
  .header__list {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    width: 100%;
    background: var(--color-bg-dark);
    padding: 1rem;
    flex-direction: column;
    gap: 0.25rem;
  }
  
  .header__left {
    order: 1;
  }
  
  .header__list.active {
    display: flex;
  }
  
  .header__menu-toggle {
    display: flex;
    order: 3;
  }
  
  .header__lang-switcher {
    margin-left: auto;
    margin-right: 1rem;
    order: 2;
  }
  
  .lang-current {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    min-width: 60px;
  }
  
  .lang-dropdown {
    min-width: 60px;
  }
  
  .lang-option {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
  }
  
  .header__socials {
    display: none;
  }
  
  .col-sm-span-1 { grid-column: span 1; }
  .col-sm-span-2 { grid-column: span 2; }
  .col-sm-span-3 { grid-column: span 3; }
  .col-sm-span-4 { grid-column: span 4; }
  .col-sm-span-5 { grid-column: span 5; }
  .col-sm-span-6 { grid-column: span 6; }
  .col-sm-span-7 { grid-column: span 7; }
  .col-sm-span-8 { grid-column: span 8; }
  .col-sm-span-9 { grid-column: span 9; }
  .col-sm-span-10 { grid-column: span 10; }
  .col-sm-span-11 { grid-column: span 11; }
  .col-sm-span-12 { grid-column: span 12; }
  
  .about__stats {
    grid-template-columns: 1fr;
    gap: 1.5rem;
  }
  
  .about__grid,
  .kids__grid,
  .sponsor__grid,
  .contacts__grid {
    grid-template-columns: 1fr;
  }
  
  .about__content,
  .about__images-wrapper,
  .achievements__media,
  .achievements__info,
  .kids__content,
  .kids__images,
  .kids__video,
  .sponsor__content,
  .sponsor__image,
  .sponsor__contacts,
  .contacts__form-wrapper,
  .contacts__coaches {
    grid-column: span 12;
  }
  
  .about__images-wrapper {
    height: 500px;
    margin-top: 3rem;
  }
  
  .about__image--primary {
    width: 70%;
    height: 350px;
  }
  
  .about__image--secondary {
    width: 60%;
    height: 280px;
  }
  
  .socials__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .socials__club {
    grid-column: span 12;
  }
  
  .founder {
    grid-column: span 12;
    max-width: 400px;
    margin: 0 auto;
    min-height: 380px;
  }
  
  .achievements__intro-grid {
    grid-template-columns: 1fr;
  }
  
  .achievements__intro-item {
    grid-column: span 12;
  }
}

/* Extra small devices (portrait phones, less than 768px) */
@media (max-width: 767px) {
  :root {
    --container-max-width: 100%;
    --section-padding: 60px;
    --section-padding-mobile: 40px;
    --grid-gap: 20px;
  }
  
  .header__list {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: var(--color-bg-dark);
    padding: 6rem 2rem 2rem;
    flex-direction: column;
    justify-content: flex-start;
    gap: 1rem;
    z-index: 1000;
  }
  
  .header__left {
    order: 1;
  }
  
  .header__list.active {
    display: flex;
  }
  
  .header__menu-toggle {
    display: flex;
    order: 3;
  }
  
  .header__lang-switcher {
    margin-left: auto;
    margin-right: 1rem;
    order: 2;
  }
  
  .lang-current {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
    min-width: 60px;
  }
  
  .lang-dropdown {
    min-width: 60px;
  }
  
  .lang-option {
    padding: 0.375rem 0.625rem;
    font-size: 0.75rem;
  }
  
  .header__socials {
    display: none;
  }
  
  .hero {
    min-height: 100vh;
    padding: 120px 0 60px;
  }
  
  .hero__title {
    font-size: 2.5rem;
  }
  
  .hero__scroll {
    bottom: 20px;
  }
  
  .grid {
    grid-template-columns: 1fr;
    gap: var(--grid-gap-mobile);
  }
  
  .col-xs-span-1 { grid-column: span 1; }
  .col-xs-span-2 { grid-column: span 2; }
  .col-xs-span-3 { grid-column: span 3; }
  .col-xs-span-4 { grid-column: span 4; }
  .col-xs-span-5 { grid-column: span 5; }
  .col-xs-span-6 { grid-column: span 6; }
  .col-xs-span-7 { grid-column: span 7; }
  .col-xs-span-8 { grid-column: span 8; }
  .col-xs-span-9 { grid-column: span 9; }
  .col-xs-span-10 { grid-column: span 10; }
  .col-xs-span-11 { grid-column: span 11; }
  .col-xs-span-12 { grid-column: span 12; }
  
  .about__stats {
    grid-template-columns: 1fr;
    gap: 1rem;
    margin-bottom: 3rem;
  }
  
  .about__stat {
    padding: 1.5rem;
  }
  
  .about__grid,
  .kids__grid,
  .sponsor__grid,
  .contacts__grid {
    grid-template-columns: 1fr;
  }
  
  .about__content,
  .about__images-wrapper,
  .achievements__media,
  .achievements__info,
  .kids__content,
  .kids__images,
  .kids__video,
  .sponsor__content,
  .sponsor__image,
  .sponsor__contacts,
  .contacts__form-wrapper,
  .contacts__coaches {
    grid-column: span 12;
  }
  
  .about__images-wrapper {
    height: 450px;
    margin-top: 2rem;
  }
  
  .about__image--primary {
    width: 85%;
    height: 280px;
    top: 20px;
  }
  
  .about__image--secondary {
    width: 75%;
    height: 240px;
    bottom: 15px;
  }
  
  .founder {
    grid-column: span 12;
    padding: 2.5rem 1.5rem;
    min-height: 360px;
  }
  
  .founder__image {
    width: 150px;
    height: 150px;
  }
  
  .achievements__intro-grid {
    grid-template-columns: 1fr;
  }
  
  .achievements__intro-item {
    grid-column: span 12;
    padding: 2rem 1.5rem;
  }
  
  .achievements__video {
    border: 4px solid white;
  }
  
  .achievements__form {
    padding: 2rem 1.5rem;
  }
  
  .socials__grid {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
  
  .socials__club {
    grid-column: span 12;
  }
  
  .kids__images {
    grid-template-columns: 1fr;
  }
  
  .contacts__form {
    padding: 2rem 1.5rem;
  }
  
  .form-group {
    margin-bottom: 1.5rem;
  }
  
  .form-radio-group {
    flex-direction: column;
  }
  
  .coach {
    padding: 1.5rem;
    margin-bottom: 1rem;
  }
  
  .btn {
    width: 100%;
    padding: 14px 28px;
  }
  
  .notification {
    max-width: calc(100% - 40px);
    top: 80px;
  }
  
  .notification--show {
    right: 20px;
  }
  
  .notification__content {
    padding: 1rem;
  }
  
  .notification__icon {
    width: 35px;
    height: 35px;
    font-size: 1.25rem;
  }
  
  .notification__message {
    font-size: 0.875rem;
  }
}