/* ============================================
   MODERN ART JIU-JITSU — Global Styles
   Color System: Black + Sage Green (#689269)
   ============================================ */

:root {
  /* Brand Colors */
  --green-50: #eef3ee;
  --green-100: #d4e0d4;
  --green-200: #b8ccb9;
  --green-300: #9ab89b;
  --green-400: #82a683;
  --green-500: #689269;
  --green-600: #587a59;
  --green-700: #466146;
  --green-800: #344834;
  --green-900: #1e2e1e;

  --green: #689269;
  --green-bright: #7da87e;
  --green-glow: rgba(104, 146, 105, 0.3);
  --green-subtle: rgba(104, 146, 105, 0.1);

  /* Neutrals */
  --black: #000000;
  --gray-950: #0a0a0a;
  --gray-900: #111111;
  --gray-800: #1a1a1a;
  --gray-700: #2a2a2a;
  --gray-600: #3a3a3a;
  --gray-500: #555555;
  --gray-400: #777777;
  --gray-300: #999999;
  --gray-200: #cccccc;
  --gray-100: #e5e5e5;
  --gray-50: #f5f5f5;
  --white: #ffffff;

  /* Typography */
  --font-display: 'Bebas Neue', sans-serif;
  --font-body: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;

  /* Sizing */
  --nav-height: 80px;
  --container-width: 1280px;
  --container-narrow: 960px;

  /* Transitions */
  --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
  --ease-spring: cubic-bezier(0.34, 1.56, 0.64, 1);
  --duration-fast: 150ms;
  --duration-base: 300ms;
  --duration-slow: 600ms;
}

/* ============================================
   Reset & Base
   ============================================ */

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

html {
  scroll-behavior: smooth;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}

body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.6;
  color: var(--gray-200);
  background-color: var(--black);
  overflow-x: hidden;
}

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

a {
  text-decoration: none;
  color: inherit;
  transition: color var(--duration-fast) var(--ease-out);
}

/* ============================================
   Utilities
   ============================================ */

.container {
  width: 100%;
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
}

@media (min-width: 768px) {
  .container { padding: 0 40px; }
}

@media (min-width: 1024px) {
  .container { padding: 0 60px; }
}

.text-gradient {
  background: linear-gradient(135deg, var(--green-bright), var(--green-200));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  color: var(--green);
  margin-bottom: 16px;
}

.section-tag::before {
  content: '';
  width: 24px;
  height: 1px;
  background: var(--green);
}

.section-title {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 6vw, 4.5rem);
  line-height: 1;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: 24px;
}

/* ============================================
   Cursor Glow
   ============================================ */

.cursor-glow {
  position: fixed;
  width: 600px;
  height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, var(--green-glow) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
  transform: translate(-50%, -50%);
  opacity: 0;
  transition: opacity 0.4s ease;
}

body:hover .cursor-glow {
  opacity: 1;
}

@media (max-width: 768px) {
  .cursor-glow { display: none; }
}

/* ============================================
   Navigation — Premium Floating Pill Design
   ============================================ */

.nav {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: var(--nav-height);
  z-index: 1000;
  background: rgba(0, 0, 0, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(255, 255, 255, 0.06);
  transition: all 0.5s var(--ease-out);
}

.nav--scrolled {
  top: 12px;
  background: none;
  backdrop-filter: none;
  -webkit-backdrop-filter: none;
  border-bottom-color: transparent;
}

.nav__inner {
  max-width: var(--container-width);
  margin: 0 auto;
  padding: 0 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  transition: all 0.5s var(--ease-out);
}

.nav--scrolled .nav__inner {
  background: rgba(8, 8, 8, 0.85);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: 100px;
  padding: 0 8px 0 24px;
  max-width: 960px;
  height: 56px;
  box-shadow:
    0 4px 24px rgba(0, 0, 0, 0.4),
    0 0 0 1px rgba(104, 146, 105, 0.06),
    inset 0 1px 0 rgba(255, 255, 255, 0.04);
}

@media (min-width: 768px) {
  .nav__inner { padding: 0 40px; }
  .nav--scrolled .nav__inner { padding: 0 8px 0 28px; }
}

@media (min-width: 1024px) {
  .nav__inner { padding: 0 60px; }
  .nav--scrolled .nav__inner { padding: 0 8px 0 28px; }
}

/* Logo */
.nav__logo {
  flex-shrink: 0;
  transition: opacity var(--duration-base) var(--ease-out);
}

.nav__logo:hover {
  opacity: 0.8;
}

.nav__logo-img {
  height: 48px;
  width: auto;
  transition: height 0.5s var(--ease-out);
}

.nav--scrolled .nav__logo-img {
  height: 36px;
}

/* Link Pill Container */
.nav__pill {
  display: none;
  align-items: center;
  gap: 2px;
  padding: 4px;
  border-radius: 100px;
  background: rgba(255, 255, 255, 0.03);
  border: 1px solid rgba(255, 255, 255, 0.06);
}

@media (min-width: 768px) {
  .nav__pill { display: flex; }
}

.nav--scrolled .nav__pill {
  background: rgba(255, 255, 255, 0.04);
  border-color: rgba(255, 255, 255, 0.08);
}

/* Individual Links */
.nav__link {
  position: relative;
  padding: 8px 18px;
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--gray-400);
  border-radius: 100px;
  transition: color var(--duration-base) var(--ease-out),
              background var(--duration-base) var(--ease-out);
  overflow: hidden;
}

.nav__link span {
  position: relative;
  z-index: 1;
}

/* Hover underline that slides in */
.nav__link::after {
  content: '';
  position: absolute;
  bottom: 7px;
  left: 18px;
  right: 18px;
  height: 1px;
  background: var(--green);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.4s var(--ease-out);
}

.nav__link:hover {
  color: var(--white);
}

.nav__link:hover::after {
  transform: scaleX(1);
}

/* Active link — subtle filled pill */
.nav__link--active {
  color: var(--white);
  background: rgba(104, 146, 105, 0.12);
}

.nav__link--active::after {
  display: none;
}

/* CTA Button */
.nav__cta {
  display: none;
  padding: 10px 24px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--black);
  background: var(--green);
  border-radius: 100px;
  transition: all var(--duration-base) var(--ease-out);
}

@media (min-width: 768px) {
  .nav__cta { display: flex; align-items: center; }
}

.nav__cta-text {
  position: relative;
}

.nav__cta-shine {
  display: none;
}

.nav__cta:hover {
  background: var(--green-bright);
  transform: translateY(-1px);
  box-shadow: 0 4px 20px var(--green-glow);
}

.nav--scrolled .nav__cta {
  padding: 8px 20px;
}

/* Burger Menu */
.nav__burger {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 6px;
  width: 44px;
  height: 44px;
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 12px;
  cursor: pointer;
  z-index: 1001;
  transition: background var(--duration-base) var(--ease-out),
              border-color var(--duration-base) var(--ease-out);
}

.nav__burger:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.12);
}

@media (min-width: 768px) {
  .nav__burger { display: none; }
}

.nav__burger span {
  display: block;
  width: 20px;
  height: 2px;
  background: var(--white);
  border-radius: 4px;
  transition: transform 0.4s var(--ease-out),
              opacity 0.3s var(--ease-out),
              width 0.3s var(--ease-out);
}

.nav__burger span:nth-child(1) {
  width: 20px;
}

.nav__burger span:nth-child(2) {
  width: 20px;
}

.nav__burger span:nth-child(3) {
  width: 20px;
}

.nav__burger--active span:nth-child(1) {
  width: 20px;
  transform: translateY(8px) rotate(45deg);
}

.nav__burger--active span:nth-child(2) {
  opacity: 0;
  width: 0;
}

.nav__burger--active span:nth-child(3) {
  width: 20px;
  transform: translateY(-8px) rotate(-45deg);
}

/* ============================================
   Mobile Menu
   ============================================ */

.mobile-menu {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.98);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--duration-base) var(--ease-out);
}

.mobile-menu--active {
  opacity: 1;
  pointer-events: all;
}

.mobile-menu__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  transform: translateY(20px);
  transition: transform var(--duration-slow) var(--ease-out);
}

.mobile-menu--active .mobile-menu__inner {
  transform: translateY(0);
}

.mobile-menu__link {
  font-family: var(--font-display);
  font-size: 3rem;
  color: var(--gray-400);
  transition: color var(--duration-fast) var(--ease-out);
  letter-spacing: 0.02em;
}

.mobile-menu__link:hover,
.mobile-menu__link--active {
  color: var(--white);
}

.mobile-menu__cta {
  margin-top: 24px;
  padding: 14px 40px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--black);
  background: var(--green);
  border-radius: 8px;
}

/* ============================================
   Buttons
   ============================================ */

.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-body);
  font-weight: 600;
  font-size: 0.9375rem;
  border: none;
  cursor: pointer;
  border-radius: 8px;
  transition: all var(--duration-fast) var(--ease-spring);
  white-space: nowrap;
}

.btn--lg {
  padding: 16px 32px;
  font-size: 1rem;
}

.btn--primary {
  color: var(--black);
  background: var(--green);
  padding: 14px 28px;
}

.btn--primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 32px var(--green-glow);
  background: var(--green-bright);
}

.btn--ghost {
  color: var(--white);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  padding: 14px 28px;
}

.btn--ghost:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.2);
  transform: translateY(-2px);
}

.btn--outline {
  color: var(--green);
  background: transparent;
  border: 1px solid rgba(104, 146, 105, 0.35);
  padding: 14px 28px;
}

.btn--outline:hover {
  background: var(--green-subtle);
  border-color: var(--green);
  transform: translateY(-2px);
}

/* ============================================
   Footer
   ============================================ */

.footer {
  padding: 80px 0 40px;
  border-top: 1px solid var(--gray-800);
}

.footer__top {
  display: flex;
  flex-direction: column;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--gray-800);
}

@media (min-width: 768px) {
  .footer__top {
    flex-direction: row;
    justify-content: space-between;
    align-items: flex-start;
  }
}

.footer__brand {
  max-width: 280px;
}

.footer__logo {
  height: 120px;
  width: auto;
  margin-bottom: 16px;
}

.footer__tagline {
  font-size: 0.875rem;
  color: var(--gray-400);
}

.footer__nav {
  display: flex;
  gap: 60px;
  flex-wrap: wrap;
}

.footer__nav-group h4 {
  font-size: 0.75rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.15em;
  color: var(--white);
  margin-bottom: 16px;
}

.footer__nav-group a,
.footer__nav-group p {
  display: block;
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: 8px;
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__nav-group a:hover {
  color: var(--green);
}

.footer__nap {
  font-style: normal;
  text-align: center;
  font-size: 0.8125rem;
  color: var(--gray-400);
  padding: 20px 0;
  border-top: 1px solid var(--gray-800);
  line-height: 1.8;
}

.footer__nap strong {
  color: var(--white);
}

.footer__nap a {
  color: var(--green);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__nap a:hover {
  color: var(--green-bright);
}

.footer__bottom {
  padding-top: 32px;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 12px;
}

@media (min-width: 768px) {
  .footer__bottom {
    flex-direction: row;
    justify-content: space-between;
  }
}

.footer__bottom p {
  font-size: 0.8125rem;
  color: var(--gray-500);
}

.footer__legal {
  display: flex;
  gap: 24px;
}

.footer__legal a {
  font-size: 0.8125rem;
  color: var(--gray-500);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__legal a:hover {
  color: var(--gray-300);
}

.footer__powered {
  text-align: center;
  padding-top: 20px;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
  margin-top: 20px;
}

.footer__powered p {
  font-size: 0.75rem;
  color: var(--gray-600);
  letter-spacing: 0.02em;
}

.footer__powered a {
  color: var(--gray-400);
  transition: color var(--duration-fast) var(--ease-out);
}

.footer__powered a:hover {
  color: var(--green);
}

/* ============================================
   Form Elements (Global)
   ============================================ */

.form-group {
  margin-bottom: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 480px) {
  .form-row {
    grid-template-columns: 1fr 1fr;
  }

  .form-row .form-group {
    margin-bottom: 0;
  }
}

.form-label {
  display: block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--gray-200);
  margin-bottom: 8px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.form-optional {
  font-weight: 400;
  text-transform: none;
  letter-spacing: 0;
  color: var(--gray-500);
}

.form-input,
.form-select,
.form-textarea {
  width: 100%;
  padding: 14px 16px;
  font-family: var(--font-body);
  font-size: 0.9375rem;
  color: var(--white);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--gray-700);
  border-radius: 10px;
  outline: none;
  transition: border-color var(--duration-fast) var(--ease-out),
              background var(--duration-fast) var(--ease-out),
              box-shadow var(--duration-fast) var(--ease-out);
  -webkit-appearance: none;
  appearance: none;
}

.form-input::placeholder,
.form-textarea::placeholder {
  color: var(--gray-500);
}

.form-input:focus,
.form-select:focus,
.form-textarea:focus {
  border-color: var(--green);
  background: rgba(104, 146, 105, 0.05);
  box-shadow: 0 0 0 3px rgba(104, 146, 105, 0.12);
}

.form-select {
  background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23777777' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 16px center;
  padding-right: 40px;
  cursor: pointer;
}

.form-select option {
  background: var(--gray-900);
  color: var(--white);
}

.form-textarea {
  resize: vertical;
  min-height: 100px;
}

.btn--full {
  width: 100%;
  justify-content: center;
}

/* ============================================
   Lead Form Modal
   ============================================ */

.modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 24px;
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--duration-base) var(--ease-out),
              visibility var(--duration-base) var(--ease-out);
}

.modal--active {
  opacity: 1;
  visibility: visible;
}

.modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0, 0, 0, 0.85);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.modal__dialog {
  position: relative;
  width: 100%;
  max-width: 520px;
  max-height: 90vh;
  overflow-y: auto;
  background: var(--gray-900);
  border: 1px solid var(--gray-700);
  border-radius: 20px;
  box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6),
              0 0 0 1px rgba(104, 146, 105, 0.08);
  transform: scale(0.95) translateY(10px);
  transition: transform var(--duration-base) var(--ease-spring);
}

.modal--active .modal__dialog {
  transform: scale(1) translateY(0);
}

.modal__accent {
  height: 3px;
  background: linear-gradient(90deg, var(--green), var(--green-bright), var(--green-300));
  border-radius: 20px 20px 0 0;
}

.modal__close {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 10px;
  color: var(--gray-400);
  font-size: 1.25rem;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-out),
              color var(--duration-fast) var(--ease-out),
              border-color var(--duration-fast) var(--ease-out);
  z-index: 1;
}

.modal__close:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: rgba(255, 255, 255, 0.15);
  color: var(--white);
}

.modal__form {
  padding: 36px 36px 32px;
}

.modal__title {
  font-family: var(--font-display);
  font-size: 2rem;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: 8px;
}

.modal__desc {
  font-size: 0.875rem;
  color: var(--gray-400);
  margin-bottom: 28px;
}

.modal__disclaimer {
  text-align: center;
  font-size: 0.75rem;
  color: var(--gray-500);
  margin-top: 16px;
}

.modal__success {
  display: none;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 40px;
  min-height: 360px;
}

.modal__success--show {
  display: flex;
}

.modal__success-icon {
  color: var(--green);
  margin-bottom: 24px;
  animation: modalSuccessPop 0.5s var(--ease-spring);
}

@keyframes modalSuccessPop {
  0% { transform: scale(0); opacity: 0; }
  100% { transform: scale(1); opacity: 1; }
}

.modal__success-title {
  font-family: var(--font-display);
  font-size: 2.5rem;
  color: var(--white);
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.modal__success-text {
  font-size: 1rem;
  color: var(--gray-400);
  max-width: 320px;
}

.modal__dialog::-webkit-scrollbar {
  width: 6px;
}

.modal__dialog::-webkit-scrollbar-track {
  background: transparent;
}

.modal__dialog::-webkit-scrollbar-thumb {
  background: var(--gray-600);
  border-radius: 3px;
}

@media (max-width: 480px) {
  .modal {
    padding: 16px;
  }

  .modal__form {
    padding: 28px 24px 24px;
  }

  .modal__dialog {
    max-height: 95vh;
  }
}

/* ============================================
   Animations
   ============================================ */

[data-animate] {
  opacity: 0;
  transform: translateY(30px);
  transition: opacity var(--duration-slow) var(--ease-out),
              transform var(--duration-slow) var(--ease-out);
}

[data-animate="fade-right"] {
  transform: translateX(-30px);
}

[data-animate="fade-left"] {
  transform: translateX(30px);
}

[data-animate].is-visible {
  opacity: 1;
  transform: translate(0, 0);
}

/* Stagger delays */
[data-delay="100"] { transition-delay: 100ms; }
[data-delay="200"] { transition-delay: 200ms; }
[data-delay="300"] { transition-delay: 300ms; }
[data-delay="400"] { transition-delay: 400ms; }
[data-delay="500"] { transition-delay: 500ms; }
[data-delay="600"] { transition-delay: 600ms; }