:root {
      --yellow: #FEC501;
      --navy: #001233;
      --red: #FF595A;
      --cream: #FAF5E9;
      --white: #FFFFFF;
      --teal: #178582;
      --muted: #1D1D1D;
      --border: #FEC501;
      --shadow: 0 20px 50px rgba(38, 48, 68, 0.10);
      --radius: 24px;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: "DM Sans", sans-serif;
      color: var(--teal);
      background: var(--cream);
      line-height: 1.6;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

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

    .container {
      width: min(1120px, 92%);
      margin: auto;
    }

    /* =========================
       NAVIGATION
    ========================= */

    nav {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1000;
      background: rgba(247, 245, 242, 0.92);
      backdrop-filter: blur(15px);
      border-bottom: 1px solid rgba(72, 90, 124, 0.08);
    }

    .nav-inner {
      height: 78px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }

    .logo {
      font-family: "Playfair Display", serif;
      font-size: 1.65rem;
      font-weight: 700;
      color: var(--navy);
    }

    .logo span {
      color: var(--yellow);
    }

    .nav-links {
      display: flex;
      align-items: center;
      gap: 32px;
      list-style: none;
      font-size: 0.95rem;
      font-weight: 500;
    }

    .nav-links a {
      transition: color 0.25s ease;
    }

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

    .nav-button {
      background: var(--navy);
      color: white;
      padding: 12px 21px;
      border-radius: 50px;
      transition: 0.25s ease;
    }

    .nav-links .nav-button:hover {
      background: var(--yellow);
      color: white;
      transform: translateY(-2px);
    }

    /* =========================
       HERO
    ========================= */

    .hero {
      min-height: 100vh;
      padding: 150px 0 80px;
      display: flex;
      align-items: center;
      position: relative;
      overflow: hidden;
    }

    .hero::before {
      content: "";
      position: absolute;
      width: 430px;
      height: 430px;
      background: var(--red);
      opacity: 0.18;
      border-radius: 50%;
      right: -160px;
      top: 100px;
      filter: blur(2px);
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 80px;
      align-items: center;
    }

    .eyebrow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(186, 100, 100, 0.10);
      color: var(--yellow);
      padding: 8px 14px;
      border-radius: 50px;
      font-size: 0.82rem;
      font-weight: 700;
      letter-spacing: 0.04em;
      text-transform: uppercase;
      margin-bottom: 22px;
    }

    .eyebrow::before {
      content: "";
      width: 7px;
      height: 7px;
      background: var(--yellow);
      border-radius: 50%;
    }

    h1 {
      font-family: "Playfair Display", serif;
      font-size: clamp(3rem, 6vw, 5.2rem);
      line-height: 1.04;
      color: var(--navy);
      margin-bottom: 25px;
      letter-spacing: -0.04em;
    }

    h1 span {
      color: var(--yellow);
      font-style: italic;
    }

    .hero-text {
      font-size: 1.13rem;
      color: var(--muted);
      max-width: 580px;
      margin-bottom: 34px;
    }

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

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      padding: 15px 25px;
      border-radius: 50px;
      font-weight: 700;
      transition: 0.25s ease;
      border: 2px solid transparent;
    }

    .btn-primary {
      background: var(--yellow);
      color: white;
      box-shadow: 0 12px 25px rgba(186, 100, 100, 0.22);
    }

    .btn-primary:hover {
      transform: translateY(-3px);
      box-shadow: 0 17px 30px rgba(186, 100, 100, 0.30);
    }

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

    .btn-secondary:hover {
      background: var(--navy);
      color: white;
    }

    /* HERO CARD */

    .hero-card {
      position: relative;
      min-height: 500px;
      border-radius: 35px;
      background: var(--navy);
      overflow: hidden;
      box-shadow: var(--shadow);
      display: flex;
      align-items: flex-end;
    }

    .hero-card-decoration {
      position: absolute;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: var(--red);
      opacity: 0.85;
      top: -100px;
      right: -90px;
    }

    .hero-card-content {
      position: relative;
      z-index: 2;
      width: 100%;
      padding: 40px;
      color: white;
    }

    .hero-card-content small {
      color: var(--red);
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.1em;
    }

    .hero-card-content h2 {
      font-family: "Playfair Display", serif;
      font-size: 2.7rem;
      line-height: 1.1;
      margin: 10px 0 16px;
    }

    .hero-card-content p {
      color: rgba(255,255,255,0.78);
      margin-bottom: 25px;
    }

    .location-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255,255,255,0.1);
      border: 1px solid rgba(255,255,255,0.16);
      padding: 10px 15px;
      border-radius: 50px;
      font-size: 0.9rem;
    }

    /* =========================
       GENERAL SECTIONS
    ========================= */

    section {
      padding: 100px 0;
    }

    .section-header {
      max-width: 650px;
      margin-bottom: 55px;
    }

    .section-label {
      color: var(--yellow);
      font-weight: 700;
      text-transform: uppercase;
      font-size: 0.8rem;
      letter-spacing: 0.1em;
      margin-bottom: 12px;
    }

    .section-title {
      font-family: "Playfair Display", serif;
      color: var(--navy);
      font-size: clamp(2.3rem, 4vw, 3.5rem);
      line-height: 1.15;
      margin-bottom: 18px;
    }

    .section-description {
      color: var(--muted);
      font-size: 1.05rem;
    }

    /* =========================
       TEACHER
    ========================= */

    .about {
      background: white;
    }

    .about-grid {
      display: grid;
      grid-template-columns: 0.8fr 1.2fr;
      gap: 80px;
      align-items: center;
    }

    .about-visual {
      min-height: 470px;
      border-radius: 30px;
      background: var(--yellow);
      position: relative;
      overflow: hidden;
      display: flex;
      align-items: flex-end;
      padding: 30px;
    }

    .about-visual::before {
      content: "";
      position: absolute;
      width: 260px;
      height: 260px;
      background: var(--red);
      border-radius: 50%;
      top: -80px;
      left: -70px;
    }

    .about-visual::after {
      content: "D";
      position: absolute;
      font-family: "Playfair Display", serif;
      font-size: 18rem;
      font-weight: 700;
      color: rgba(255,255,255,0.12);
      bottom: -65px;
      right: 20px;
    }

    .about-card {
      width: 100%;
      padding: 25px;
      background: rgba(255,255,255,0.95);
      border-radius: 20px;
      z-index: 2;
    }

    .about-card strong {
      display: block;
      color: var(--navy);
      font-family: "Playfair Display", serif;
      font-size: 1.5rem;
    }

    .about-card span {
      color: var(--muted);
      font-size: 0.9rem;
    }

    .about-text p {
      color: var(--muted);
      margin-bottom: 20px;
      font-size: 1.03rem;
    }

    .check-list {
      list-style: none;
      margin-top: 28px;
    }

    .check-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      margin-bottom: 15px;
      color: var(--teal);
      font-weight: 500;
    }

    .check {
      width: 24px;
      height: 24px;
      flex-shrink: 0;
      border-radius: 50%;
      background: rgba(181,185,99,0.22);
      color: var(--red);
      display: grid;
      place-items: center;
      font-weight: 700;
    }

    /* =========================
       BENEFITS
    ========================= */

    .benefits {
      background: var(--cream);
    }

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

    .benefit-card {
      background: white;
      padding: 34px;
      border-radius: var(--radius);
      border: 1px solid var(--border);
      transition: 0.3s ease;
    }

    .benefit-card:hover {
      transform: translateY(-7px);
      box-shadow: var(--shadow);
    }

    .icon {
      width: 52px;
      height: 52px;
      border-radius: 16px;
      display: grid;
      place-items: center;
      margin-bottom: 25px;
      font-size: 1.4rem;
    }

    .icon-red {
      background: rgba(186,100,100,0.12);
    }

    .icon-green {
      background: rgba(181,185,99,0.18);
    }

    .icon-blue {
      background: rgba(72,90,124,0.12);
    }

    .benefit-card h3 {
      color: var(--navy);
      margin-bottom: 10px;
      font-size: 1.2rem;
    }

    .benefit-card p {
      color: var(--muted);
      font-size: 0.94rem;
    }

    /* =========================
       CLASSES
    ========================= */

    .classes {
      background: var(--navy);
      color: white;
    }

    .classes .section-title {
      color: white;
    }

    .classes .section-description {
      color: rgba(255,255,255,0.68);
    }

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

    .class-card {
      background: rgba(255,255,255,0.07);
      border: 1px solid rgba(255,255,255,0.12);
      padding: 32px;
      border-radius: var(--radius);
      transition: 0.3s ease;
    }

    .class-card:hover {
      background: rgba(255,255,255,0.11);
      transform: translateY(-5px);
    }

    .class-number {
      color: var(--red);
      font-weight: 700;
      font-size: 0.8rem;
      letter-spacing: 0.1em;
    }

    .class-card h3 {
      font-family: "Playfair Display", serif;
      font-size: 1.7rem;
      margin: 15px 0 10px;
    }

    .class-card p {
      color: rgba(255,255,255,0.68);
      font-size: 0.93rem;
      margin-bottom: 25px;
    }

    .class-link {
      color: var(--red);
      font-weight: 700;
      font-size: 0.9rem;
    }

    /* =========================
       MEDELLIN
    ========================= */

    .medellin {
      background: white;
    }

    .medellin-box {
      background: var(--cream);
      border-radius: 35px;
      padding: 65px;
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 70px;
      align-items: center;
      overflow: hidden;
    }

    .medellin-box h2 {
      font-family: "Playfair Display", serif;
      color: var(--navy);
      font-size: 3rem;
      line-height: 1.1;
      margin-bottom: 20px;
    }

    .medellin-box p {
      color: var(--muted);
      margin-bottom: 25px;
    }

    .medellin-features {
      display: grid;
      gap: 14px;
    }

    .medellin-feature {
      background: white;
      padding: 18px 20px;
      border-radius: 15px;
      display: flex;
      align-items: center;
      gap: 14px;
      box-shadow: 0 8px 25px rgba(38,48,68,0.05);
    }

    .medellin-feature span:first-child {
      font-size: 1.3rem;
    }

    .medellin-feature strong {
      display: block;
      color: var(--navy);
    }

    .medellin-feature small {
      color: var(--muted);
    }

    /* =========================
       TESTIMONIALS
    ========================= */

    .testimonials {
      background: var(--cream);
    }

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

    .testimonial {
      background: white;
      padding: 32px;
      border-radius: var(--radius);
      border: 1px solid var(--border);
    }

    .stars {
      color: var(--yellow);
      letter-spacing: 3px;
      margin-bottom: 20px;
    }

    .testimonial p {
      color: var(--teal);
      font-size: 1rem;
      margin-bottom: 25px;
    }

    .person {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .avatar {
      width: 42px;
      height: 42px;
      background: var(--navy);
      color: white;
      border-radius: 50%;
      display: grid;
      place-items: center;
      font-weight: 700;
    }

    .person strong {
      display: block;
      color: var(--navy);
      font-size: 0.9rem;
    }

    .person small {
      color: var(--muted);
    }

    /* =========================
       CTA
    ========================= */

    .cta {
      padding: 100px 0;
      background: white;
    }

    .cta-box {
      background: var(--yellow);
      border-radius: 35px;
      padding: 70px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .cta-box::before {
      content: "";
      position: absolute;
      width: 250px;
      height: 250px;
      background: var(--red);
      opacity: 0.35;
      border-radius: 50%;
      top: -120px;
      left: -70px;
    }

    .cta-box h2 {
      position: relative;
      z-index: 2;
      color: white;
      font-family: "Playfair Display", serif;
      font-size: clamp(2.2rem, 4vw, 3.5rem);
      line-height: 1.1;
      margin-bottom: 18px;
    }

    .cta-box p {
      position: relative;
      z-index: 2;
      color: rgba(255,255,255,0.82);
      max-width: 580px;
      margin: 0 auto 30px;
    }

    .cta-box .btn {
      position: relative;
      z-index: 2;
      background: white;
      color: var(--yellow);
    }

    .cta-box .btn:hover {
      background: var(--navy);
      color: white;
    }

    /* =========================
       BOOKING
    ========================= */

    .booking {
      background: white;
      padding: 160px 0 100px;
    }

    .booking-header {
      margin-bottom: 40px;
    }

    .booking-form {
      max-width: 720px;
      margin: 0 auto;
      background: var(--cream);
      border: 1px solid var(--border);
      border-radius: var(--radius);
      padding: 40px;
      scroll-margin-top: 100px;
    }

    .booking-form button {
      font: inherit;
      cursor: pointer;
    }

    .form-progress {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 28px;
    }

    .form-step-indicator {
      font-size: 0.8rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.06em;
      color: var(--muted);
      background: white;
      border: 1px solid var(--border);
      padding: 8px 14px;
      border-radius: 50px;
    }

    .form-step-indicator.active {
      background: var(--navy);
      border-color: var(--navy);
      color: white;
    }

    .form-step {
      display: none;
      border: 0;
      margin: 0;
      padding: 0;
      min-width: 0;
    }

    .form-step.active {
      display: block;
    }

    .form-step legend {
      font-family: "Playfair Display", serif;
      font-size: 1.6rem;
      color: var(--navy);
      margin-bottom: 20px;
    }

    .form-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 16px 20px;
    }

    .form-grid label {
      display: grid;
      gap: 6px;
      font-weight: 600;
      color: var(--navy);
      font-size: 0.9rem;
    }

    .form-grid label.full {
      grid-column: 1 / -1;
    }

    .form-grid input,
    .form-grid select,
    .form-grid textarea {
      font: inherit;
      color: var(--navy);
      background: white;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 12px 14px;
      width: 100%;
    }

    .form-grid input.invalid,
    .form-grid select.invalid,
    .form-grid textarea.invalid {
      border-color: var(--red);
    }

    .form-grid textarea {
      resize: vertical;
    }

    .phone-input {
      display: flex;
      align-items: stretch;
    }

    .phone-code {
      display: inline-flex;
      align-items: center;
      padding: 0 14px;
      background: rgba(23, 133, 130, 0.08);
      border: 1px solid var(--border);
      border-right: 0;
      border-radius: 12px 0 0 12px;
      font-weight: 700;
      color: var(--navy);
      white-space: nowrap;
    }

    .phone-input input {
      flex: 1;
      min-width: 0;
      border-radius: 0 12px 12px 0;
    }

    .phone-input:has(input.invalid) .phone-code {
      border-color: var(--red);
    }

    .form-nav {
      display: flex;
      justify-content: space-between;
      gap: 12px;
      margin-top: 26px;
    }

    .review-box {
      background: white;
      border: 1px solid var(--border);
      border-radius: 12px;
      padding: 16px 18px;
      margin-bottom: 20px;
    }

    .review-box p {
      margin: 6px 0;
      color: var(--muted);
    }

    .review-box strong {
      color: var(--navy);
    }

    .form-message {
      max-width: 720px;
      margin: 0 auto 24px;
      padding: 16px 20px;
      border-radius: 12px;
      font-weight: 600;
    }

    .form-message.success {
      background: rgba(23, 133, 130, 0.12);
      border: 1px solid rgba(23, 133, 130, 0.4);
      color: var(--teal);
    }

    .form-message.error {
      background: rgba(255, 89, 90, 0.12);
      border: 1px solid rgba(255, 89, 90, 0.5);
      color: #b52b2b;
    }

    @media (max-width: 850px) {

      .booking {
        padding: 130px 0 80px;
      }

      .booking-form {
        padding: 28px 22px;
      }
    }

    @media (max-width: 500px) {

      .form-grid {
        grid-template-columns: 1fr;
      }
    }

    /* =========================
       FOOTER
    ========================= */

    footer {
      background: var(--teal);
      color: white;
      padding: 55px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 0.8fr 0.8fr;
      gap: 60px;
      padding-bottom: 45px;
    }

    .footer-logo {
      font-family: "Playfair Display", serif;
      font-size: 1.8rem;
      margin-bottom: 15px;
    }

    .footer-logo span {
      color: var(--yellow);
    }

    footer p {
      color: rgba(255,255,255,0.6);
      max-width: 400px;
    }

    footer h4 {
      margin-bottom: 17px;
      color: var(--red);
    }

    .footer-links {
      list-style: none;
      display: grid;
      gap: 10px;
      color: rgba(255,255,255,0.65);
      font-size: 0.92rem;
    }

    .footer-links a:hover {
      color: white;
    }

    .copyright {
      border-top: 1px solid rgba(255,255,255,0.1);
      padding-top: 25px;
      color: rgba(255,255,255,0.45);
      font-size: 0.82rem;
      text-align: center;
    }

    /* =========================
       MOBILE
    ========================= */

    @media (max-width: 850px) {

      .nav-links {
        display: none;
      }

      .hero {
        padding-top: 125px;
      }

      .hero-grid,
      .about-grid,
      .medellin-box {
        grid-template-columns: 1fr;
        gap: 45px;
      }

      .hero-card {
        min-height: 400px;
      }

      .benefits-grid,
      .class-grid,
      .testimonial-grid {
        grid-template-columns: 1fr;
      }

      .medellin-box {
        padding: 40px 25px;
      }

      .medellin-box h2 {
        font-size: 2.4rem;
      }

      .cta-box {
        padding: 55px 25px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 35px;
      }
    }

    @media (max-width: 500px) {

      h1 {
        font-size: 3rem;
      }

      section {
        padding: 75px 0;
      }

      .hero-buttons {
        flex-direction: column;
      }

      .hero-buttons .btn {
        width: 100%;
      }

      .about-visual {
        min-height: 390px;
      }
    }