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

:root {
  --navy: #0a1628;
  --navy-light: #112240;
  --navy-mid: #1a3055;
  --teal: #38bdf8;
  --teal-dark: #0ea5e9;
  --gold: #d4a853;
  --gold-light: #e8c77b;
  --white: #f0f4f8;
  --gray: #8892a4;
  --gray-light: #c4cdd9;
  --text: #e2e8f0;
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
  --font-heading: 'Playfair Display', Georgia, serif;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
  font-family: var(--font);
  background: var(--navy);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--teal); text-decoration: none; transition: color 0.2s; }
a:hover { color: var(--gold-light); }

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

/* === TYPOGRAPHY === */
h1, h2, h3, h4 { font-family: var(--font-heading); font-weight: 600; line-height: 1.25; color: var(--white); }
h1 { font-size: 3rem; margin-bottom: 1rem; }
h2 { font-size: 2rem; margin-bottom: 0.75rem; }
h3 { font-size: 1.35rem; margin-bottom: 0.5rem; }
h4 { font-size: 1.1rem; margin-bottom: 0.5rem; }
p { margin-bottom: 1rem; }

@media (max-width: 768px) {
  h1 { font-size: 2rem; }
  h2 { font-size: 1.5rem; }
}

/* === LAYOUT === */
.container { max-width: 1100px; margin: 0 auto; padding: 0 2rem; }
.section { padding: 5rem 0; }
.section--alt { background: var(--navy-light); }
.section--dark { background: linear-gradient(180deg, var(--navy) 0%, var(--navy-light) 100%); }

/* === NAV === */
.nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(10, 22, 40, 0.95);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid rgba(56, 189, 248, 0.1);
  padding: 0 2rem;
}
.nav__inner {
  max-width: 1100px; margin: 0 auto;
  display: flex; align-items: center; justify-content: space-between;
  height: 70px;
}
.nav__logo {
  font-family: var(--font-heading);
  font-size: 1.4rem; font-weight: 700;
  color: var(--white); letter-spacing: 0.02em;
}
.nav__logo span { color: var(--gold); }
.nav__links { display: flex; gap: 2rem; list-style: none; }
.nav__links a {
  color: var(--gray-light); font-size: 0.9rem; font-weight: 500;
  letter-spacing: 0.03em; text-transform: uppercase;
  transition: color 0.2s;
}
.nav__links a:hover, .nav__links a.active { color: var(--teal); }

/* Mobile nav */
.nav__toggle { display: none; background: none; border: none; color: var(--white); font-size: 1.5rem; cursor: pointer; }

@media (max-width: 768px) {
  .nav__toggle { display: block; }
  .nav__links {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 70px; left: 0; right: 0;
    background: var(--navy); border-bottom: 1px solid var(--navy-mid);
  }
  .nav__links.open { display: flex; }
  .nav__links a { padding: 1rem 2rem; display: block; border-bottom: 1px solid var(--navy-light); }
}

/* === HERO === */
.hero {
  min-height: 85vh; display: flex; align-items: center;
  padding-top: 70px;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-light) 50%, rgba(14, 165, 233, 0.08) 100%);
  position: relative; overflow: hidden;
}
.hero::before {
  content: ''; position: absolute; top: -50%; right: -30%;
  width: 80%; height: 200%;
  background: radial-gradient(ellipse, rgba(56, 189, 248, 0.04) 0%, transparent 70%);
}
.hero__content { position: relative; z-index: 1; max-width: 700px; }
.hero__sub {
  font-size: 1.15rem; color: var(--gray-light);
  margin-bottom: 2rem; line-height: 1.8;
}
.hero__tag {
  display: inline-block; font-size: 0.8rem; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.15em;
  color: var(--gold); margin-bottom: 1.5rem;
}

/* === BUTTONS === */
.btn {
  display: inline-block; padding: 0.85rem 2rem;
  font-size: 0.9rem; font-weight: 600; letter-spacing: 0.04em;
  border-radius: 6px; cursor: pointer; transition: all 0.25s;
  text-transform: uppercase; border: none;
}
.btn--primary { background: var(--teal-dark); color: var(--white); }
.btn--primary:hover { background: var(--teal); color: var(--navy); }
.btn--outline { background: transparent; border: 2px solid var(--gold); color: var(--gold); }
.btn--outline:hover { background: var(--gold); color: var(--navy); }
.btn-group { display: flex; gap: 1rem; flex-wrap: wrap; margin-top: 1rem; }

/* === CARDS === */
.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 1.5rem; }
.card {
  background: var(--navy-light); border: 1px solid var(--navy-mid);
  border-radius: 10px; padding: 2rem;
  transition: transform 0.2s, border-color 0.2s;
}
.card:hover { transform: translateY(-3px); border-color: var(--teal); }
.card__icon { font-size: 2rem; margin-bottom: 1rem; }
.card h3 { font-size: 1.15rem; margin-bottom: 0.5rem; }
.card p { color: var(--gray); font-size: 0.95rem; }

/* 3-column layout */
.cols-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; }
@media (max-width: 768px) { .cols-3 { grid-template-columns: 1fr; } }

.col { text-align: center; padding: 2rem 1.5rem; }
.col__icon {
  width: 60px; height: 60px; margin: 0 auto 1.25rem;
  background: rgba(56, 189, 248, 0.1); border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.5rem;
}

/* === STEPS === */
.steps { display: grid; grid-template-columns: repeat(3, 1fr); gap: 2rem; margin-top: 2rem; }
@media (max-width: 768px) { .steps { grid-template-columns: 1fr; } }
.step { text-align: center; padding: 1.5rem; }
.step__number {
  width: 50px; height: 50px; margin: 0 auto 1rem;
  background: var(--teal-dark); color: var(--white);
  border-radius: 50%; display: flex; align-items: center; justify-content: center;
  font-size: 1.25rem; font-weight: 700;
}
.step h3 { margin-bottom: 0.5rem; }
.step p { color: var(--gray); font-size: 0.95rem; }

/* === TABLES === */
table {
  width: 100%; border-collapse: collapse; margin: 1.5rem 0;
  font-size: 0.95rem;
}
th {
  text-align: left; padding: 0.75rem 1rem;
  background: var(--navy-mid); color: var(--teal);
  font-weight: 600; font-size: 0.85rem;
  text-transform: uppercase; letter-spacing: 0.05em;
}
td {
  padding: 0.75rem 1rem; border-bottom: 1px solid var(--navy-mid);
  color: var(--gray-light);
}
tr:hover td { background: rgba(56, 189, 248, 0.03); }

/* === ACCORDION / FAQ === */
.faq { max-width: 800px; margin: 0 auto; }
.faq__item { border-bottom: 1px solid var(--navy-mid); }
.faq__q {
  width: 100%; background: none; border: none; color: var(--white);
  font-family: var(--font); font-size: 1.05rem; font-weight: 600;
  text-align: left; padding: 1.25rem 0; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq__q::after { content: '+'; font-size: 1.5rem; color: var(--teal); transition: transform 0.2s; }
.faq__q.open::after { transform: rotate(45deg); }
.faq__a {
  max-height: 0; overflow: hidden; transition: max-height 0.3s ease;
  color: var(--gray-light); font-size: 0.95rem; line-height: 1.8;
}
.faq__a.open { max-height: 500px; padding-bottom: 1.25rem; }

/* === TESTIMONIAL === */
.testimonial {
  background: var(--navy-light); border-left: 3px solid var(--gold);
  border-radius: 0 10px 10px 0; padding: 2rem;
  margin: 1rem 0; font-style: italic; color: var(--gray-light);
}
.testimonial__author { font-style: normal; color: var(--gold); margin-top: 1rem; font-size: 0.9rem; font-weight: 600; }

/* === PEPTIDE CARDS === */
.peptide {
  background: var(--navy-light); border: 1px solid var(--navy-mid);
  border-radius: 10px; padding: 2.5rem; margin-bottom: 2rem;
}
.peptide__header { display: flex; align-items: baseline; gap: 1rem; margin-bottom: 1rem; flex-wrap: wrap; }
.peptide__name { font-family: var(--font-heading); font-size: 1.5rem; color: var(--white); }
.peptide__tag {
  font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--gold); background: rgba(212, 168, 83, 0.1);
  padding: 0.25rem 0.75rem; border-radius: 20px;
}
.peptide h4 { color: var(--teal); margin-top: 1.5rem; }
.peptide ul { margin: 0.5rem 0 1rem 1.25rem; color: var(--gray-light); }
.peptide li { margin-bottom: 0.35rem; font-size: 0.95rem; }

/* === CTA SECTION === */
.cta-section {
  text-align: center; padding: 5rem 2rem;
  background: linear-gradient(135deg, var(--navy-light) 0%, rgba(14, 165, 233, 0.08) 100%);
}
.cta-section h2 { margin-bottom: 1rem; }
.cta-section p { color: var(--gray-light); margin-bottom: 2rem; max-width: 500px; margin-left: auto; margin-right: auto; }

/* === FORM === */
.form { max-width: 600px; margin: 0 auto; }
.form__group { margin-bottom: 1.25rem; }
.form__label {
  display: block; font-size: 0.85rem; font-weight: 600;
  color: var(--gray-light); margin-bottom: 0.4rem;
  text-transform: uppercase; letter-spacing: 0.05em;
}
.form__input, .form__select, .form__textarea {
  width: 100%; padding: 0.8rem 1rem;
  background: var(--navy-light); border: 1px solid var(--navy-mid);
  border-radius: 6px; color: var(--white);
  font-family: var(--font); font-size: 0.95rem;
  transition: border-color 0.2s;
}
.form__input:focus, .form__select:focus, .form__textarea:focus {
  outline: none; border-color: var(--teal);
}
.form__textarea { min-height: 120px; resize: vertical; }

/* === FOOTER === */
.footer {
  background: var(--navy); border-top: 1px solid var(--navy-mid);
  padding: 3rem 2rem; text-align: center;
  color: var(--gray); font-size: 0.85rem;
}
.footer a { color: var(--gray-light); }
.footer__contact { margin-bottom: 1rem; }
.footer__contact a { margin: 0 1rem; }

/* === UTILITIES === */
.text-center { text-align: center; }
.text-gold { color: var(--gold); }
.text-teal { color: var(--teal); }
.text-gray { color: var(--gray); }
.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 2rem; }
.mb-4 { margin-bottom: 3rem; }
.mt-2 { margin-top: 1rem; }
.mt-3 { margin-top: 2rem; }
.mt-4 { margin-top: 3rem; }
.section-intro { max-width: 700px; color: var(--gray-light); margin-bottom: 3rem; }
.section-intro--center { text-align: center; margin-left: auto; margin-right: auto; }
.divider { width: 60px; height: 3px; background: var(--gold); margin: 1.5rem 0; }
.divider--center { margin-left: auto; margin-right: auto; }

/* Badge list (for peptide benefits) */
.badges { display: flex; flex-wrap: wrap; gap: 0.5rem; margin: 1rem 0; }
.badge {
  font-size: 0.8rem; padding: 0.35rem 0.85rem;
  background: rgba(56, 189, 248, 0.08); border: 1px solid rgba(56, 189, 248, 0.15);
  border-radius: 20px; color: var(--teal);
}

/* Itinerary */
.itinerary { counter-reset: day; }
.itinerary__day {
  display: grid; grid-template-columns: 80px 1fr; gap: 1.5rem;
  padding: 1.5rem 0; border-bottom: 1px solid var(--navy-mid);
}
.itinerary__num {
  font-family: var(--font-heading); font-size: 2.5rem;
  font-weight: 700; color: var(--navy-mid); line-height: 1;
}
.itinerary__day h4 { color: var(--gold); margin-bottom: 0.4rem; }
.itinerary__day p { color: var(--gray); font-size: 0.95rem; margin-bottom: 0; }
