:root {
  --green: #6bc12f;
  --green-dark: #4c9f1d;
  --green-light: #eaf7df;
  --black: #0f1011;
  --black-soft: #17191c;
  --gray: #666;
  --gray-light: #f4f6f8;
  --white: #ffffff;
  --shadow: 0 12px 35px rgba(0, 0, 0, 0.14);
  --radius: 18px;
  --container: 1200px;
  --transition: 0.3s ease;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: Arial, Helvetica, sans-serif;
  background: var(--white);
  color: var(--black);
  line-height: 1.6;
}

img {
  width: 100%;
  display: block;
}

a {
  text-decoration: none;
}

ul {
  padding-left: 20px;
}

.container {
  width: min(92%, var(--container));
  margin: 0 auto;
}

.section {
  padding: 90px 0;
}

.light-section {
  background: var(--gray-light);
}

.dark-section {
  background: linear-gradient(180deg, #101113, #1a1d21);
  color: var(--white);
}

.green-text {
  color: var(--green);
}

.section-heading {
  margin-bottom: 45px;
}

.section-heading.center {
  text-align: center;
}

.section-heading h2 {
  font-size: 2.4rem;
  margin-bottom: 10px;
}

.section-heading p {
  color: #bcc4cc;
}

.section:not(.dark-section):not(.contact-section) .section-heading p {
  color: var(--gray);
}

.section-label {
  display: inline-block;
  font-size: 0.85rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 12px;
  color: var(--green-dark);
}

/* LOGO */
.brand {
  display: flex;
  align-items: center;
}

.brand-logo-svg {
  height: 58px;
  width: 320px;
  display: block;
  overflow: visible;
}

.logo-main {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 700;
  font-size: 120px;
}

.logo-sub {
  font-family: Arial, Helvetica, sans-serif;
  font-weight: 400;
  font-size: 72px;
}

.logo-green {
  fill: var(--green);
}

.logo-white {
  fill: var(--white);
}

.logo-triangle {
  fill: var(--green);
}

/* HEADER */
.header {
  position: sticky;
  top: 0;
  z-index: 999;
  background: rgba(15, 16, 17, 0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid rgba(255,255,255,0.06);
}

.header-container {
  min-height: 84px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
}

.nav {
  display: flex;
  gap: 28px;
  align-items: center;
}

.nav a {
  color: white;
  font-weight: 600;
  transition: var(--transition);
}

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

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}

.menu-toggle {
  display: none;
  border: none;
  background: var(--green);
  color: white;
  padding: 10px 14px;
  border-radius: 12px;
  font-size: 1.2rem;
  cursor: pointer;
}

/* BUTTONS */
.btn {
  display: inline-block;
  padding: 14px 22px;
  border-radius: 12px;
  font-weight: 700;
  transition: var(--transition);
  border: 2px solid transparent;
  cursor: pointer;
}

.btn-primary {
  background: var(--green);
  color: white;
  box-shadow: 0 8px 22px rgba(107, 193, 47, 0.25);
}

.btn-primary:hover {
  background: var(--green-dark);
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.25);
}

.btn-secondary:hover {
  border-color: var(--green);
  color: var(--green);
}

.btn-outline {
  background: transparent;
  color: white;
  border-color: rgba(255,255,255,0.25);
}

.btn-outline:hover {
  border-color: var(--green);
  color: var(--green);
}

/* HERO */
.hero {
  min-height: 85vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
  background: linear-gradient(135deg, #0e0f10 0%, #181c20 60%, #101214 100%);
  color: white;
}

.hero-bg {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(circle at top left, rgba(107, 193, 47, 0.18), transparent 26%),
    radial-gradient(circle at bottom right, rgba(107, 193, 47, 0.1), transparent 30%);
}

.hero-single {
  position: relative;
  z-index: 1;
  max-width: 900px;
  width: 100%;
}

.hero-content {
  text-align: left;
}

.hero-label {
  display: inline-block;
  color: #a4ea72;
  font-weight: 700;
  margin-bottom: 14px;
  letter-spacing: 1px;
  text-transform: uppercase;
  font-size: 0.9rem;
}

.hero-content h1 {
  font-size: 3.6rem;
  line-height: 1.08;
  margin-bottom: 20px;
  max-width: 900px;
}

.hero-content p {
  color: #d8dee5;
  font-size: 1.08rem;
  margin-bottom: 24px;
  max-width: 760px;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-bottom: 25px;
}

.hero-points {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.hero-points span {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 10px 14px;
  border-radius: 999px;
  font-size: 0.95rem;
}

/* ABOUT */
.about-grid {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 45px;
  align-items: center;
}

.about-grid-no-image {
  grid-template-columns: 0.85fr 1.15fr;
}

.about-wfl {
  display: flex;
  justify-content: center;
  align-items: center;
}

.wfl-card {
  width: 100%;
  max-width: 420px;
  background: linear-gradient(135deg, #0f1113, #181c20);
  border-radius: 28px;
  padding: 32px;
  color: white;
  box-shadow: var(--shadow);
  border: 1px solid rgba(107, 193, 47, 0.15);
  position: relative;
  overflow: hidden;
}

.wfl-card::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(107, 193, 47, 0.25), transparent 70%);
  border-radius: 50%;
}

.wfl-letters {
  display: flex;
  gap: 14px;
  margin-bottom: 24px;
}

.wfl-letter {
  width: 74px;
  height: 74px;
  border-radius: 18px;
  background: linear-gradient(135deg, var(--green), var(--green-dark));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  font-weight: 800;
  color: white;
  box-shadow: 0 10px 24px rgba(107, 193, 47, 0.25);
}

.wfl-lines {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.wfl-line {
  font-size: 1.5rem;
  font-weight: 700;
  color: #f0f4f7;
}

.wfl-line .accent {
  color: var(--green);
}

.about-content h2 {
  font-size: 2.3rem;
  margin-bottom: 18px;
}

.about-content p {
  margin-bottom: 16px;
  color: #333;
}

.about-cards {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 16px;
  margin-top: 20px;
}

.mini-card {
  background: var(--gray-light);
  border-left: 5px solid var(--green);
  padding: 20px;
  border-radius: 16px;
}

.mini-card h3 {
  margin-bottom: 8px;
}

/* INFO CARDS */
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.info-card {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 18px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.card-thumb {
  width: min(100%, 180px);
  height: 180px;
  margin: 0 auto 16px;
  border-radius: 14px;
  overflow: hidden;
  background: rgba(255,255,255,0.06);
  display: flex;
  align-items: center;
  justify-content: center;
}

.card-thumb img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  display: block;
  padding: 12px;
  box-sizing: border-box;
}

.info-card h3 {
  color: #a4ea72;
  margin-bottom: 14px;
}

.info-card ul li {
  margin-bottom: 10px;
  color: #eef2f5;
}

/* CERTIFICATEN */
.certificate-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 18px;
}

.certificate {
  background: white;
  border-left: 5px solid var(--green);
  border-radius: 15px;
  padding: 18px;
  box-shadow: var(--shadow);
  font-weight: 700;
}

/* GALERIJ */
.gallery-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 22px;
}

.gallery-item {
  overflow: hidden;
  border-radius: 20px;
  box-shadow: var(--shadow);
  background: #ddd;
  cursor: pointer;
}

.gallery-item img {
  height: 280px;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.gallery-item:hover img {
  transform: scale(1.05);
}

.gallery-caption {
  padding: 16px 18px;
  background: white;
  color: var(--black);
  font-weight: 700;
  font-size: 0.95rem;
}

/* LINKS */
.links-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 16px;
}

.links-grid a {
  display: block;
  background: white;
  color: var(--black);
  padding: 16px 18px;
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(0,0,0,0.05);
  font-weight: 700;
  transition: var(--transition);
}

.links-grid a:hover {
  background: var(--green);
  color: white;
  transform: translateY(-3px);
}

/* CONTACT */
.contact-section {
  background: linear-gradient(180deg, #0f1113, #171a1e);
  color: white;
}

.contact-layout {
  display: grid;
  grid-template-columns: 0.95fr 1.05fr;
  gap: 30px;
  align-items: stretch;
}

.contact-info-panel {
  background: rgba(255,255,255,0.04);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: 30px;
  box-shadow: var(--shadow);
}

.contact-info-panel h2 {
  font-size: 2.2rem;
  margin-bottom: 14px;
}

.contact-intro {
  color: #d6dbe1;
  margin-bottom: 22px;
  max-width: 540px;
}

.contact-details p {
  margin-bottom: 10px;
  color: #d6dbe1;
}

.contact-details a {
  color: #9de768;
}

.contact-form-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 22px;
  padding: 28px;
  box-shadow: var(--shadow);
}

.contact-form-card h3 {
  margin-bottom: 18px;
  font-size: 1.4rem;
}

.contact-form {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.contact-form input,
.contact-form textarea {
  width: 100%;
  padding: 14px 16px;
  border-radius: 12px;
  border: none;
  outline: none;
  font-size: 1rem;
}

.note {
  font-size: 0.92rem;
  margin-top: 12px;
  color: #cbd1d9;
}

.contact-instructor {
  margin-top: 32px;
}

.contact-instructor-card {
  display: grid;
  grid-template-columns: 260px 1fr;
  gap: 26px;
  align-items: center;
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  border-radius: 24px;
  padding: 24px;
  box-shadow: var(--shadow);
}

.contact-instructor-image {
  width: 100%;
  display: flex;
  justify-content: center;
}

.contact-instructor-image img {
  width: 220px;
  height: 280px;
  object-fit: contain;
  background: rgba(255,255,255,0.03);
  border-radius: 18px;
  padding: 10px;
}

.contact-instructor-text h3 {
  font-size: 1.7rem;
  margin-bottom: 12px;
}

.contact-instructor-text p {
  color: #d6dbe1;
  margin-bottom: 18px;
  max-width: 700px;
}

/* FOOTER */
.footer {
  background: #090909;
  color: white;
  padding: 24px 0;
}

.footer-container {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 20px;
}

.footer a {
  color: #9de768;
}

/* WHATSAPP */
.whatsapp-button {
  position: fixed;
  right: 20px;
  bottom: 20px;
  background: #25d366;
  color: white;
  padding: 14px 18px;
  border-radius: 999px;
  font-weight: bold;
  box-shadow: 0 12px 25px rgba(37, 211, 102, 0.35);
  z-index: 9999;
  transition: var(--transition);
}

.whatsapp-button:hover {
  transform: translateY(-3px) scale(1.03);
  background: #20ba59;
}

/* LIGHTBOX */
.lightbox {
  position: fixed;
  inset: 0;
  background: rgba(0, 0, 0, 0.92);
  display: none;
  align-items: center;
  justify-content: center;
  z-index: 10000;
  padding: 40px;
}

.lightbox.show {
  display: flex;
}

.lightbox img {
  max-width: 90vw;
  max-height: 75vh;
  object-fit: contain;
  border-radius: 14px;
  box-shadow: 0 15px 40px rgba(0, 0, 0, 0.4);
}

.lightbox-caption {
  position: absolute;
  bottom: 30px;
  left: 50%;
  transform: translateX(-50%);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  text-align: center;
  max-width: 80%;
}

.lightbox-close {
  position: absolute;
  top: 20px;
  right: 24px;
  background: transparent;
  border: none;
  color: white;
  font-size: 2.4rem;
  cursor: pointer;
}

.lightbox-arrow {
  position: absolute;
  top: 50%;
  transform: translateY(-50%);
  background: rgba(255,255,255,0.12);
  border: none;
  color: white;
  width: 52px;
  height: 52px;
  border-radius: 50%;
  cursor: pointer;
  font-size: 1.6rem;
}

.lightbox-prev {
  left: 20px;
}

.lightbox-next {
  right: 20px;
}

/* ANIMATIES */
.reveal {
  opacity: 0;
  transform: translateY(35px);
  transition: all 0.8s ease;
}

.reveal.active {
  opacity: 1;
  transform: translateY(0);
}

.delay-1 {
  transition-delay: 0.15s;
}

.delay-2 {
  transition-delay: 0.3s;
}

/* RESPONSIVE */
@media (max-width: 1100px) {
  .card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .certificate-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .gallery-grid,
  .links-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .contact-layout,
  .contact-instructor-card,
  .about-grid,
  .about-grid-no-image {
    grid-template-columns: 1fr;
  }

  .contact-instructor-image {
    justify-content: flex-start;
  }
}

@media (max-width: 900px) {
  .hero-content h1 {
    font-size: 2.8rem;
  }

  .nav {
    position: absolute;
    top: 84px;
    right: 4%;
    width: 240px;
    background: #111315;
    border-radius: 16px;
    padding: 18px;
    flex-direction: column;
    align-items: flex-start;
    display: none;
    box-shadow: var(--shadow);
  }

  .nav.show {
    display: flex;
  }

  .menu-toggle {
    display: inline-block;
  }

  .desktop-btn {
    display: none;
  }

  .brand-logo-svg {
    width: 250px;
    height: 48px;
  }
}

@media (max-width: 700px) {
  .section {
    padding: 70px 0;
  }

  .card-grid,
  .certificate-grid,
  .gallery-grid,
  .links-grid,
  .about-cards {
    grid-template-columns: 1fr;
  }

  .hero {
    min-height: auto;
    padding: 90px 0 80px;
  }

  .hero-content h1 {
    font-size: 2.15rem;
  }

  .section-heading h2,
  .about-content h2,
  .contact-info-panel h2 {
    font-size: 1.8rem;
  }

  .footer-container {
    flex-direction: column;
    text-align: center;
  }

  .brand-logo-svg {
    width: 210px;
    height: 40px;
  }

  .contact-info-panel,
  .contact-form-card,
  .contact-instructor-card,
  .wfl-card {
    padding: 20px;
  }

  .contact-instructor-image {
    justify-content: center;
  }

  .contact-instructor-image img {
    width: 190px;
    height: 250px;
  }

  .wfl-letter {
    width: 58px;
    height: 58px;
    font-size: 1.5rem;
  }

  .wfl-line {
    font-size: 1.2rem;
  }

  .lightbox {
    padding: 20px;
  }

  .lightbox-arrow {
    width: 44px;
    height: 44px;
    font-size: 1.3rem;
  }
}