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

:root {
  --navy:       #0d1b3e;
  --navy-mid:   #132252;
  --navy-light: #1a2e6b;
  --pink:       #d63a7a;
  --pink-light: #e8558e;
  --pink-pale:  #fce8f1;
  --white:      #ffffff;
  --off-white:  #f8f9fc;
  --text:       #1a1a2e;
  --text-muted: #5a607a;
  --border:     #e2e6f0;

  --font: 'Inter', system-ui, -apple-system, sans-serif;
  --radius: 16px;
  --radius-sm: 10px;

  --section-pad: 100px;
  --container:   1100px;
}

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font);
  color: var(--text);
  background: var(--white);
  line-height: 1.65;
  font-size: 17px;
  -webkit-font-smoothing: antialiased;
}

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

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

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

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

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

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

.section-label {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pink);
  margin-bottom: 12px;
}

.section-title {
  font-size: clamp(28px, 4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 40px;
  color: var(--navy);
}

.section--navy .section-title,
.section--navy .section-label {
  color: var(--white);
}

.br-desktop {
  display: none;
}

@media (min-width: 768px) {
  .br-desktop { display: block; }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  font-family: var(--font);
  font-weight: 700;
  border-radius: 50px;
  cursor: pointer;
  transition: transform 0.18s ease, box-shadow 0.18s ease, background 0.18s ease;
  text-align: center;
  border: none;
  outline: none;
}

.btn--primary {
  background: var(--pink);
  color: var(--white);
  box-shadow: 0 8px 32px rgba(214, 58, 122, 0.35);
}

.btn--primary:hover {
  background: var(--pink-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 40px rgba(214, 58, 122, 0.45);
}

.btn--lg {
  padding: 18px 40px;
  font-size: 17px;
}

.btn--sm {
  padding: 10px 22px;
  font-size: 14px;
  background: var(--pink);
  color: var(--white);
  box-shadow: 0 4px 16px rgba(214, 58, 122, 0.3);
}

.btn--sm:hover {
  background: var(--pink-light);
  transform: translateY(-1px);
}

/* ============================================================
   NAV
   ============================================================ */
.nav {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}

.nav__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 68px;
}

.nav__logo {
  display: flex;
  align-items: center;
}

.nav__logo-img {
  height: 40px;
  width: auto;
  object-fit: contain;
  display: block;
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  background: linear-gradient(160deg, var(--navy) 0%, var(--navy-light) 100%);
  color: var(--white);
  text-align: center;
  padding: 100px 0 90px;
}

.hero__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 0;
}

.hero__badge {
  display: inline-block;
  background: rgba(255,255,255,0.12);
  color: var(--white);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  padding: 6px 18px;
  border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2);
  margin-bottom: 28px;
}

.hero__headline {
  font-size: clamp(30px, 5vw, 56px);
  font-weight: 800;
  line-height: 1.15;
  max-width: 820px;
  margin-bottom: 24px;
  letter-spacing: -0.02em;
}

.hero__headline span {
  color: var(--pink-light);
}

.hero__sub {
  font-size: clamp(17px, 2.5vw, 21px);
  color: rgba(255,255,255,0.75);
  max-width: 580px;
  margin-bottom: 48px;
  font-weight: 400;
}

.hero__sub--continuation {
  font-size: clamp(24px, 4vw, 46px);
  font-weight: 700;
  color: rgba(255,255,255,0.92);
  line-height: 1.2;
  max-width: 820px;
  margin-top: -8px;
  margin-bottom: 48px;
  letter-spacing: -0.01em;
}

/* YouTube embed */
.video-wrap {
  width: 100%;
  max-width: 720px;
  margin-bottom: 48px;
}

.video-yt-wrap {
  position: relative;
  width: 100%;
  padding-bottom: 56.25%; /* 16:9 */
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 20px 60px rgba(0,0,0,0.4);
  transition: background 0.2s;
}

.video-yt {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  border: none;
  border-radius: var(--radius);
}

.hero__support-text {
  margin-top: 16px;
  font-size: 15px;
  color: rgba(255,255,255,0.55);
}

/* ============================================================
   PROBLEM
   ============================================================ */
.problem__inner {
  max-width: 680px;
  margin: 0 auto;
}

.problem__list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin-bottom: 40px;
}

.problem__item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  font-size: 18px;
  font-weight: 500;
  line-height: 1.5;
  padding: 18px 22px;
  background: var(--white);
  border-radius: var(--radius-sm);
  border-left: 3px solid var(--pink);
  box-shadow: 0 2px 12px rgba(0,0,0,0.05);
}

.problem__icon {
  color: var(--pink);
  font-weight: 700;
  font-size: 18px;
  flex-shrink: 0;
  margin-top: 1px;
}

.problem__transition {
  font-size: 20px;
  font-weight: 700;
  color: var(--navy);
  margin-bottom: 12px;
}

.problem__note {
  font-size: 17px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* ============================================================
   SOLUTION
   ============================================================ */
.solution__inner {
  max-width: 900px;
  margin: 0 auto;
  text-align: center;
}

.solution__cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
  margin-bottom: 36px;
}

.solution__card {
  background: var(--off-white);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: left;
  border: 1px solid var(--border);
  transition: transform 0.2s, box-shadow 0.2s;
}

.solution__card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.solution__num {
  font-size: 36px;
  font-weight: 800;
  color: var(--pink);
  opacity: 0.25;
  margin-bottom: 12px;
  line-height: 1;
}

.solution__card p {
  font-size: 18px;
  font-weight: 600;
  color: var(--navy);
  line-height: 1.45;
}

.solution__note {
  font-size: 16px;
  color: var(--text-muted);
  max-width: 520px;
  margin: 0 auto;
}

/* ============================================================
   CTA MID
   ============================================================ */
.cta-mid__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 28px;
  text-align: center;
}

.cta-mid__text {
  font-size: 20px;
  font-weight: 500;
  color: rgba(255,255,255,0.8);
}

/* ============================================================
   TESTIMONIALS
   ============================================================ */
.testimonials__inner {
  text-align: center;
}

.testimonials__stat {
  font-size: 18px;
  color: var(--text-muted);
  margin-bottom: 56px;
}

.testimonials__stat strong {
  color: var(--pink);
}

.testimonials__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 24px;
  text-align: left;
}

.testimonial-card {
  background: var(--white);
  border-radius: var(--radius);
  padding: 32px 28px;
  border: 1px solid var(--border);
  box-shadow: 0 2px 16px rgba(0,0,0,0.04);
  transition: transform 0.2s, box-shadow 0.2s;
}

.testimonial-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 12px 32px rgba(0,0,0,0.08);
}

.testimonial-card__stars {
  color: var(--pink);
  font-size: 16px;
  margin-bottom: 16px;
  letter-spacing: 2px;
}

.testimonial-card__text {
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  margin-bottom: 20px;
  font-style: italic;
}

.testimonial-card__author {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

/* ============================================================
   ABOUT
   ============================================================ */
.about__inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 72px;
  align-items: center;
}

.about__img-wrap {
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 100%);
  box-shadow: 0 20px 60px rgba(13,27,62,0.25);
  position: relative;
}

.about__img {
  width: 100%;
  height: auto;
  display: block;
  object-fit: cover;
  opacity: 1;
}

.about__title {
  margin-bottom: 4px;
}

.about__role {
  font-size: 15px;
  font-weight: 600;
  color: var(--pink);
  letter-spacing: 0.05em;
  text-transform: uppercase;
  margin-bottom: 28px;
}

.about__bio {
  font-size: 17px;
  color: var(--text);
  line-height: 1.75;
  margin-bottom: 18px;
}

.about__certs {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 28px;
}

.about__cert-badge {
  display: inline-block;
  background: var(--pink-pale);
  color: var(--pink);
  font-size: 13px;
  font-weight: 600;
  padding: 6px 14px;
  border-radius: 50px;
  border: 1px solid rgba(214,58,122,0.2);
}

/* ============================================================
   FINAL CTA
   ============================================================ */
.final-cta__inner {
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
}

.final-cta__headline {
  font-size: clamp(26px, 4vw, 44px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--white);
  max-width: 700px;
}

.final-cta__sub {
  font-size: clamp(20px, 3vw, 26px);
  font-weight: 700;
  color: var(--pink-light);
  margin-bottom: 8px;
}

.final-cta__note {
  font-size: 15px;
  color: rgba(255,255,255,0.5);
  margin-top: 4px;
}

/* ============================================================
   FOOTER
   ============================================================ */
.footer {
  background: #080f22;
  padding: 48px 0;
}

.footer__inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 20px;
  text-align: center;
}

.footer__logo {
  height: 40px;
  width: auto;
  object-fit: contain;
  opacity: 0.85;
  display: block;
}

.footer__links {
  display: flex;
  gap: 32px;
}

.footer__links a {
  font-size: 14px;
  color: rgba(255,255,255,0.5);
  transition: color 0.15s;
}

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

.footer__copy {
  font-size: 13px;
  color: rgba(255,255,255,0.3);
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 900px) {
  :root {
    --section-pad: 72px;
  }

  .about__inner {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .about__image-col {
    max-width: 380px;
    margin: 0 auto;
    width: 100%;
  }
}

@media (max-width: 640px) {
  :root {
    --section-pad: 60px;
  }

  .hero {
    padding: 72px 0 64px;
  }

  .btn--lg {
    padding: 16px 28px;
    font-size: 16px;
    width: 100%;
    max-width: 400px;
  }

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

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

  .footer__links {
    flex-direction: column;
    gap: 12px;
  }

  .problem__item {
    font-size: 16px;
  }
}

/* ============================================================
   SCROLL ANIMATIONS (subtle)
   ============================================================ */
@media (prefers-reduced-motion: no-preference) {
  .problem__item,
  .solution__card,
  .testimonial-card {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeUp 0.5s ease forwards;
  }

  .problem__item:nth-child(1) { animation-delay: 0.05s; }
  .problem__item:nth-child(2) { animation-delay: 0.12s; }
  .problem__item:nth-child(3) { animation-delay: 0.19s; }
  .problem__item:nth-child(4) { animation-delay: 0.26s; }
  .problem__item:nth-child(5) { animation-delay: 0.33s; }

  .solution__card:nth-child(1) { animation-delay: 0.05s; }
  .solution__card:nth-child(2) { animation-delay: 0.15s; }
  .solution__card:nth-child(3) { animation-delay: 0.25s; }

  .testimonial-card:nth-child(1) { animation-delay: 0.05s; }
  .testimonial-card:nth-child(2) { animation-delay: 0.1s; }
  .testimonial-card:nth-child(3) { animation-delay: 0.15s; }
  .testimonial-card:nth-child(4) { animation-delay: 0.2s; }
  .testimonial-card:nth-child(5) { animation-delay: 0.25s; }
  .testimonial-card:nth-child(6) { animation-delay: 0.3s; }
}

@keyframes fadeUp {
  to {
    opacity: 1;
    transform: translateY(0);
  }
}