/* ============================
   GLOBAL RESET & BASE STYLES
   ============================ */
*,
*::before,
*::after {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #1a1a2e;
  background: #f5f6fa;
  line-height: 1.7;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.container {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px;
}

section {
  padding: 96px 0;
}

h2 {
  font-size: 2.2rem;
  font-weight: 700;
  text-align: center;
  margin-bottom: 8px;
  letter-spacing: -0.5px;
}

h2::after {
  content: '';
  display: block;
  width: 48px;
  height: 3px;
  background: #f0c040;
  border-radius: 2px;
  margin: 12px auto 0;
}

.section-sub {
  text-align: center;
  color: #777;
  margin-bottom: 56px;
  font-size: 1.1rem;
  max-width: 540px;
  margin-left: auto;
  margin-right: auto;
}

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

/* ============================
   HERO SECTION
   ============================ */
#hero {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
  color: #fff;
  min-height: 100vh;
  display: flex;
  align-items: center;
  position: relative;
  overflow: hidden;
}

/* Subtle dot pattern overlay */
#hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(circle at 25px 25px, rgba(255, 255, 255, 0.04) 1px, transparent 1px);
  background-size: 50px 50px;
  pointer-events: none;
}

.hero-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-text h1 {
  font-size: 3.4rem;
  font-weight: 800;
  line-height: 1.15;
  margin-bottom: 20px;
  letter-spacing: -1px;
}

.hero-text .highlight {
  color: #f0c040;
  text-shadow: 0 0 30px rgba(240, 192, 64, 0.15);
}

.hero-text p {
  font-size: 1.15rem;
  color: #b0b8d0;
  margin-bottom: 36px;
  max-width: 440px;
}

.hero-photo {
  display: flex;
  justify-content: center;
}

.hero-photo img {
  width: 100%;
  max-width: 400px;
  border-radius: 20px;
  box-shadow: 0 24px 48px rgba(0, 0, 0, 0.35);
  transition: transform 0.4s ease, box-shadow 0.4s ease;
  filter: brightness(1.02) contrast(1.02);
}

.hero-photo img:hover {
  transform: scale(1.02);
  box-shadow: 0 32px 64px rgba(0, 0, 0, 0.4);
}

/* --- Buttons --- */
.btn-primary {
  display: inline-block;
  background: #f0c040;
  color: #1a1a2e;
  font-weight: 600;
  font-size: 1rem;
  padding: 14px 36px;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(240, 192, 64, 0.25);
}

.btn-primary:hover {
  background: #f5d060;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(240, 192, 64, 0.35);
}

.btn-primary:active {
  transform: translateY(-1px);
}

/* --- Outline variant --- */
.btn-primary--outline {
  background: transparent;
  border: 2px solid rgba(240, 192, 64, 0.6);
  color: #f0c040;
  box-shadow: none;
}

.btn-primary--outline:hover {
  background: rgba(240, 192, 64, 0.1);
  border-color: #f0c040;
  color: #f0c040;
  box-shadow: 0 8px 24px rgba(240, 192, 64, 0.15);
}

/* --- Hero button group --- */
.hero-buttons {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* --- Scroll-down indicator --- */
.scroll-down {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  color: rgba(240, 192, 64, 0.6);
  font-size: 1.4rem;
  animation: float-down 2.4s ease-in-out infinite;
  transition: color 0.2s, opacity 0.2s;
  z-index: 2;
  opacity: 0.8;
}

.scroll-down:hover {
  color: #f0c040;
  opacity: 1;
}

@keyframes float-down {

  0%,
  100% {
    transform: translateX(-50%) translateY(0);
    opacity: 0.5;
  }

  50% {
    transform: translateX(-50%) translateY(8px);
    opacity: 1;
  }
}

/* ============================
   VIDEO SECTION
   ============================ */
#video {
  background: #fff;
  position: relative;
}

#video::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 6px;
  background: linear-gradient(90deg, #f0c040, #e8a830, #f0c040);
  background-size: 200% 100%;
  animation: shimmer 3s ease-in-out infinite;
}

@keyframes shimmer {

  0%,
  100% {
    background-position: 0% 0;
  }

  50% {
    background-position: 100% 0;
  }
}

.video-wrapper {
  border-radius: 16px;
  overflow: hidden;
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.1);
  transition: box-shadow 0.3s;
}

.video-wrapper:hover {
  box-shadow: 0 20px 48px rgba(0, 0, 0, 0.15);
}

/* ============================
   GOALS SECTION
   ============================ */
#goals {
  background: #f5f6fa;
}

.goals-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.goal-card {
  background: #fff;
  padding: 36px 28px 32px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.3s;
  border: 1px solid rgba(0, 0, 0, 0.04);
  cursor: default;
}

.goal-card:hover {
  transform: translateY(-8px) scale(1.01);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
  border-color: rgba(240, 192, 64, 0.15);
}

.goal-card i {
  font-size: 2.4rem;
  color: #f0c040;
  margin-bottom: 20px;
  display: inline-block;
  transition: transform 0.3s;
}

.goal-card:hover i {
  transform: scale(1.15);
}

.goal-card h3 {
  font-size: 1.2rem;
  font-weight: 600;
  margin-bottom: 10px;
}

.goal-card p {
  color: #777;
  font-size: 0.92rem;
  line-height: 1.6;
}

/* ============================
   TESTIMONIALS SECTION
   ============================ */
#testimonials {
  background: #fff;
}

.testimonials-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.testimonial-card {
  background: #f8f9fc;
  padding: 36px 28px 32px;
  border-radius: 20px;
  border: 1px solid #eef0f5;
  transition: transform 0.3s, box-shadow 0.3s;
  position: relative;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0, 0, 0, 0.06);
}

/* Decorative quote mark */
.testimonial-card::before {
  content: '\201C';
  position: absolute;
  top: 12px;
  left: 20px;
  font-size: 3.5rem;
  color: rgba(240, 192, 64, 0.15);
  line-height: 1;
  font-family: Georgia, serif;
  pointer-events: none;
}

.testimonial-card .stars {
  color: #f0c040;
  font-size: 1.1rem;
  margin-bottom: 14px;
  letter-spacing: 3px;
}

.testimonial-card p {
  font-style: italic;
  color: #555;
  margin-bottom: 18px;
  font-size: 0.95rem;
  line-height: 1.7;
  position: relative;
  z-index: 1;
}

.student-name {
  font-weight: 600;
  color: #1a1a2e;
  font-style: normal;
  font-size: 0.9rem;
}

/* ============================
   CONTACT SECTION
   ============================ */
#contact {
  background: #f5f6fa;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: start;
}

/* --- Form --- */
.contact-form {
  background: #fff;
  padding: 40px 36px;
  border-radius: 20px;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border: 1px solid rgba(0, 0, 0, 0.04);
}

.contact-form label {
  display: block;
  font-weight: 500;
  margin: 18px 0 6px;
  font-size: 0.9rem;
  color: #444;
}

.contact-form label:first-of-type {
  margin-top: 0;
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 16px;
  font-family: inherit;
  font-size: 1rem;
  border: 1.5px solid #e4e7ee;
  border-radius: 10px;
  background: #fafbfc;
  transition: border-color 0.2s, box-shadow 0.2s, background 0.2s;
}

.contact-form input:hover,
.contact-form select:hover,
.contact-form textarea:hover {
  border-color: #ccd0d9;
}

.contact-form input:focus,
.contact-form select:focus,
.contact-form textarea:focus {
  outline: none;
  border-color: #f0c040;
  box-shadow: 0 0 0 3px rgba(240, 192, 64, 0.1);
  background: #fff;
}

.contact-form .btn-primary {
  margin-top: 24px;
  width: 100%;
  text-align: center;
}

/* --- WhatsApp Card --- */
.whatsapp-card {
  background: #fff;
  padding: 40px 36px;
  border-radius: 20px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.04);
  border: 1.5px solid rgba(37, 211, 102, 0.2);
  transition: border-color 0.3s, box-shadow 0.3s;
}

.whatsapp-card:hover {
  border-color: rgba(37, 211, 102, 0.4);
  box-shadow: 0 8px 28px rgba(37, 211, 102, 0.06);
}

.whatsapp-card i {
  font-size: 3rem;
  color: #25D366;
  margin-bottom: 14px;
}

.whatsapp-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.whatsapp-card p {
  color: #777;
  margin-bottom: 20px;
  font-size: 0.95rem;
}

.btn-whatsapp {
  display: inline-block;
  background: #25D366;
  color: #fff;
  font-weight: 600;
  padding: 12px 32px;
  border-radius: 50px;
  text-decoration: none;
  transition: background 0.25s, transform 0.25s, box-shadow 0.25s;
  box-shadow: 0 4px 14px rgba(37, 211, 102, 0.2);
}

.btn-whatsapp i {
  margin-right: 8px;
  font-size: 1.1rem;
  color: #fff;
}

.btn-whatsapp:hover {
  background: #1ebe5a;
  transform: translateY(-3px);
  box-shadow: 0 8px 24px rgba(37, 211, 102, 0.3);
}

/* --- Divider & trial prompt inside WhatsApp card --- */
.whatsapp-divider {
  border: none;
  border-top: 1px solid #eee;
  margin: 24px 0 16px;
}

.trial-prompt {
  font-size: 0.92rem;
  margin-bottom: 14px !important;
  color: #888 !important;
}

/* ============================
   BOOKING PAGE
   ============================ */
.booking-page {
  background: #fff;
  min-height: 80vh;
  padding-top: 48px;
  padding-bottom: 80px;
  flex: 1;
}

.booking-card {
  background: #f8f9fc;
  border: 1px solid #eef0f5;
  border-radius: 20px;
  padding: 56px 32px;
  text-align: center;
  margin-bottom: 32px;
  transition: box-shadow 0.3s;
}

.booking-card:hover {
  box-shadow: 0 8px 28px rgba(0, 0, 0, 0.04);
}

.booking-card i {
  font-size: 3.2rem;
  color: #f0c040;
  margin-bottom: 16px;
}

.booking-card h3 {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.booking-card p {
  color: #777;
  margin-bottom: 28px;
}

.booking-help {
  text-align: center;
}

.booking-note {
  font-size: 0.88rem;
  color: #aaa;
  margin-bottom: 24px;
}

.btn-whatsapp--inline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

/* ============================
   FOOTER
   ============================ */
footer {
  background: #1a1a2e;
  color: #888;
  text-align: center;
  padding: 28px 0;
  font-size: 0.88rem;
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

/* ============================
   EXERCISE PAGES
   ============================ */
.exercise-page {
  background: #fff;
  min-height: 80vh;
  padding-top: 48px;
}

.back-link {
  display: inline-block;
  color: #1a1a2e;
  text-decoration: none;
  font-weight: 500;
  margin-bottom: 24px;
  transition: color 0.2s;
  font-size: 0.95rem;
}

.back-link i {
  margin-right: 6px;
}

.back-link:hover {
  color: #f0c040;
}

.exercise-card {
  background: #f8f9fc;
  border: 1px solid #eef0f5;
  border-radius: 16px;
  padding: 28px 32px;
  margin-bottom: 20px;
}

.exercise-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.exercise-card img {
  border-radius: 10px;
  margin: 12px 0;
  max-width: 100%;
}

.exercise-card audio {
  display: block;
  margin: 12px 0;
  width: 100%;
  max-width: 400px;
}

.exercise-card p {
  color: #555;
  line-height: 1.8;
}

/* ============================
   RESPONSIVE DESIGN
   ============================ */
@media (max-width: 900px) {
  section {
    padding: 64px 0;
  }

  h2 {
    font-size: 1.8rem;
  }

  .hero-grid {
    grid-template-columns: 1fr;
    text-align: center;
    gap: 40px;
  }

  .hero-text h1 {
    font-size: 2.4rem;
  }

  .hero-text p {
    margin-left: auto;
    margin-right: auto;
  }

  .hero-buttons {
    justify-content: center;
  }

  .hero-photo img {
    max-width: 280px;
  }

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

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

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

@media (max-width: 600px) {
  section {
    padding: 48px 0;
  }

  h2 {
    font-size: 1.5rem;
  }

  .section-sub {
    font-size: 1rem;
    margin-bottom: 36px;
  }

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

  .hero-text h1 {
    font-size: 1.9rem;
  }

  .hero-buttons {
    flex-direction: column;
    align-items: stretch;
  }

  .hero-buttons .btn-primary {
    text-align: center;
  }

  .contact-form,
  .whatsapp-card {
    padding: 28px 20px;
  }

  .booking-card {
    padding: 36px 20px;
  }
}