/*
Theme Name: AETERNUS Longevity Lab
Theme URI: https://aeternuslongevitylab.com
Author: AETERNUS
Description: Custom theme for AETERNUS Longevity Lab — premium longevity training for adults 35+ in Dubai.
Version: 1.0
License: Private
Text Domain: aeternus
*/

@import url('https://fonts.googleapis.com/css2?family=Playfair+Display:wght@400;600;700&family=Inter:wght@300;400;500;600;700&display=swap');

/* =========================================
   CSS VARIABLES
   ========================================= */
:root {
  --primary:       #082629;
  --accent:        #82D5D0;
  --accent-dark:   #5bbfb9;
  --bg-light:      #F5F2EC;
  --bg-white:      #ffffff;
  --text-dark:     #082629;
  --text-body:     #4a6467;
  --text-muted:    #7a9396;
  --border:        #e8e5e0;
  --border-dark:   rgba(255,255,255,0.1);
  --white-82:      rgba(255,255,255,0.82);
  --white-60:      rgba(255,255,255,0.6);
  --font-serif:    'Playfair Display', Georgia, serif;
  --font-sans:     'Inter', system-ui, -apple-system, sans-serif;
  --radius-sm:     8px;
  --radius-md:     12px;
  --radius-lg:     16px;
  --radius-xl:     24px;
  --radius-pill:   50px;
  --shadow-sm:     0 2px 12px rgba(8,38,41,0.06);
  --shadow-md:     0 8px 32px rgba(8,38,41,0.10);
  --sp:            96px;
}

/* =========================================
   RESET & BASE
   ========================================= */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-sans); background: var(--bg-white); color: var(--text-dark); line-height: 1.6; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
ul { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }

h1,h2,h3,h4,h5,h6 { font-family: var(--font-serif); font-weight: 700; line-height: 1.18; color: var(--text-dark); }
h1 { font-size: clamp(40px, 5vw, 64px); }
h2 { font-size: clamp(28px, 3.5vw, 48px); }
h3 { font-size: clamp(20px, 2.5vw, 28px); }
h4 { font-size: 20px; }
p  { line-height: 1.8; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 32px; }
.section-pad { padding: var(--sp) 0; }
.section-label { font-family: var(--font-sans); font-size: 12px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; display: block; }
.eyebrow { font-family: var(--font-sans); font-size: 12px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; color: var(--accent); display: block; margin-bottom: 12px; }

/* =========================================
   BUTTONS
   ========================================= */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 16px 36px; border-radius: var(--radius-pill);
  font-family: var(--font-sans); font-size: 15px; font-weight: 700;
  border: 2px solid transparent; cursor: pointer;
  transition: all 0.22s; text-decoration: none; white-space: nowrap;
}
.btn-primary, .btn-accent { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.btn-primary:hover, .btn-accent:hover { background: var(--accent-dark); border-color: var(--accent-dark); transform: translateY(-2px); }
.btn-outline-light { background: transparent; color: #fff; border-color: rgba(255,255,255,0.35); }
.btn-outline-light:hover { background: rgba(255,255,255,0.1); }
.btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
.btn-outline:hover { background: var(--primary); color: #fff; }
.btn-group { display: flex; flex-wrap: wrap; gap: 14px; }
.cta-btns { display: flex; gap: 14px; flex-wrap: wrap; margin-top: 28px; }

/* =========================================
   HEADER
   ========================================= */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 100;
  background: var(--primary); padding: 0;
  transition: box-shadow 0.3s;
}
.site-header.scrolled { box-shadow: 0 4px 24px rgba(0,0,0,0.18); }
.header-inner {
  display: flex; align-items: center; gap: 32px;
  height: 72px;
}
.logo { display: flex; align-items: center; gap: 10px; text-decoration: none; flex-shrink: 0; }
.logo-mark { width: 36px; height: 36px; border-radius: 8px; background: var(--accent); display: flex; align-items: center; justify-content: center; color: var(--primary); font-family: var(--font-serif); font-size: 18px; font-weight: 700; flex-shrink: 0; }
.logo span { color: #fff; font-family: var(--font-serif); font-size: 18px; font-weight: 700; letter-spacing: 3px; }
.site-logo-img { height: 52px; width: 52px; border-radius: 10px; object-fit: cover; display: block; }
.logo-img-wrap { padding: 4px 0; }
.nav-links { display: flex; align-items: center; gap: 8px; margin-left: auto; }
.nav-links a { color: rgba(255,255,255,0.75); font-size: 14px; font-weight: 500; padding: 8px 14px; border-radius: 6px; transition: color 0.2s; }
.nav-links a:hover, .nav-links a.active { color: #fff; }
.nav-cta { display: flex; align-items: center; gap: 20px; margin-left: 16px; flex-shrink: 0; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; margin-left: auto; cursor: pointer; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all 0.2s; }

/* Mobile Nav */
.mobile-nav {
  position: fixed; inset: 0; background: var(--primary); z-index: 200;
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 24px; transform: translateX(100%); transition: transform 0.3s ease;
}
.mobile-nav.open { transform: translateX(0); }
.mobile-nav a { color: #fff; font-size: 24px; font-family: var(--font-serif); font-weight: 700; }
.close-btn { position: absolute; top: 24px; right: 24px; color: #fff; font-size: 32px; background: none; border: none; cursor: pointer; }

/* =========================================
   PAGE HERO (inner pages)
   ========================================= */
.page-hero {
  background: var(--primary); padding: 160px 0 90px;
  position: relative; overflow: hidden;
}
.page-hero::before {
  content: ''; position: absolute; inset: 0;
  background: radial-gradient(circle at 70% 50%, rgba(130,213,208,0.12) 0%, transparent 70%);
}
.page-hero .container { position: relative; }
.page-hero h1 { color: #fff; margin-bottom: 20px; max-width: 700px; }
.page-hero-sub { color: var(--white-82); font-size: 18px; max-width: 580px; line-height: 1.85; margin-top: 12px; }

/* =========================================
   HERO (homepage)
   ========================================= */
.hero { position: relative; min-height: 100vh; display: flex; align-items: center; overflow: hidden; }
.hero-bg { position: absolute; inset: 0; background-size: cover; background-position: center; }
.hero-slide { position: absolute; inset: 0; background-size: cover; background-position: center; opacity: 0; transition: opacity 1.2s ease; }
.hero-slide.active { opacity: 1; }
.hero-overlay { position: absolute; inset: 0; background: linear-gradient(105deg, rgba(8,38,41,0.82) 0%, rgba(8,38,41,0.42) 100%); }
.hero-content { position: relative; z-index: 2; max-width: 720px; padding-top: 80px; }
.hero-content .eyebrow { color: var(--accent); margin-bottom: 20px; }
.hero-content h1 { color: #fff; font-size: clamp(44px,6vw,80px); line-height: 1.05; margin-bottom: 24px; }
.hero-content p { color: var(--white-82); font-size: 18px; line-height: 1.8; max-width: 540px; margin-bottom: 36px; }

/* =========================================
   FORMULA
   ========================================= */
.formula { background: var(--bg-light); padding: var(--sp) 0; }
.formula-heading { text-align: center; margin-bottom: 56px; }
.formula-heading .eyebrow { justify-content: center; display: flex; }
.formula-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.formula-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-xl); overflow: hidden; box-shadow: var(--shadow-sm); transition: transform 0.22s, box-shadow 0.22s; }
.formula-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.card-img { width: 100%; height: 240px; object-fit: cover; }
.card-img-placeholder { width: 100%; height: 240px; background: linear-gradient(135deg, var(--primary) 0%, #0f5f58 100%); display: flex; align-items: center; justify-content: center; font-size: 64px; }
.card-body { padding: 28px 28px 32px; }
.card-label { font-size: 11px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; color: var(--accent); margin-bottom: 8px; }
.card-body h3 { font-size: 22px; margin-bottom: 10px; }
.card-body p { font-size: 14px; color: var(--text-body); }

/* =========================================
   STORY
   ========================================= */
.story { background: var(--bg-white); padding: var(--sp) 0; }
.story-grid { display: grid; grid-template-columns: 1fr 1.1fr; gap: 64px; align-items: start; }
.story-img { border-radius: var(--radius-xl); overflow: hidden; height: 520px; }
.story-img img { width: 100%; height: 100%; object-fit: cover; }
.story-img-placeholder { width: 100%; height: 100%; background: linear-gradient(160deg, #0f5f58 0%, #082629 100%); display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 16px; color: var(--accent); font-size: 13px; font-weight: 600; letter-spacing: 1px; text-transform: uppercase; }
.story-img-placeholder span { font-size: 64px; display: block; }
.story-text h2 { margin-bottom: 28px; }
.dark-panel { background: var(--primary); border-radius: var(--radius-xl); padding: 40px 44px; }
.dark-panel p { color: var(--white-82); font-size: 16px; line-height: 1.95; margin-bottom: 20px; }
.dark-panel p:last-child { margin-bottom: 0; }

/* =========================================
   PEOPLE
   ========================================= */
.people { background: var(--bg-light); padding: var(--sp) 0; }
.people-intro { text-align: center; max-width: 620px; margin: 0 auto 56px; }
.people-intro .ask { font-size: 20px; font-weight: 700; color: var(--primary); font-family: var(--font-serif); }
.people-w { display: grid; grid-template-columns: repeat(5,1fr); gap: 20px; }
.people-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 28px 20px; display: flex; flex-direction: column; gap: 14px; }
.people-w .people-card:nth-child(even) { margin-top: 52px; }
.people-dot { width: 32px; height: 32px; border-radius: 50%; background: var(--primary); display: flex; align-items: center; justify-content: center; flex-shrink: 0; }
.people-dot::after { content: ''; width: 10px; height: 10px; border-radius: 50%; background: var(--accent); }
.people-card p { font-size: 15px; line-height: 1.65; color: var(--text-dark); font-weight: 500; }
.people-list { display: none; flex-direction: column; gap: 16px; max-width: 540px; margin: 0 auto; }
.people-list-item { display: flex; align-items: flex-start; gap: 16px; }
.people-list-dot { width: 10px; height: 10px; border-radius: 50%; background: var(--accent); flex-shrink: 0; margin-top: 7px; }
.people-list-item p { font-size: 16px; color: var(--text-dark); font-weight: 500; }

/* =========================================
   SOLUTION
   ========================================= */
.solution { background: var(--bg-white); padding: var(--sp) 0; }
.solution-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 80px; align-items: center; }
.solution-text h2 { margin-bottom: 24px; }
.solution-text p { font-size: 17px; color: var(--text-body); line-height: 1.9; }
.solution-cta { display: flex; flex-direction: column; gap: 14px; align-items: flex-start; }

/* =========================================
   TESTIMONIALS
   ========================================= */
.testimonials { background: var(--primary); padding: var(--sp) 0; }
.testimonials-header { text-align: center; margin-bottom: 56px; }
.testimonials-header .eyebrow { color: var(--accent); display: block; margin-bottom: 12px; }
.testimonials-header h2 { color: #fff; margin-bottom: 16px; }
.testimonials-header p { color: var(--white-82); font-size: 16px; max-width: 520px; margin: 0 auto; }
.carousel-wrap { position: relative; overflow: hidden; border-radius: var(--radius-xl); padding: 4px; }
.carousel-track { display: flex; gap: 24px; transition: transform 0.4s ease; }
.testimonial-card { flex: 0 0 calc(33.333% - 16px); background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-xl); padding: 36px; backdrop-filter: blur(8px); }
.t-stars { color: var(--accent); font-size: 18px; margin-bottom: 20px; letter-spacing: 2px; }
.t-quote { color: var(--white-82); font-size: 15px; line-height: 1.85; margin-bottom: 28px; font-style: italic; }
.t-author { display: flex; align-items: center; gap: 14px; }
.t-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--accent); display: flex; align-items: center; justify-content: center; color: var(--primary); font-weight: 700; font-size: 16px; flex-shrink: 0; }
.t-name { color: #fff; font-weight: 700; font-size: 15px; }
.t-role { color: rgba(255,255,255,0.5); font-size: 13px; }
.carousel-controls { display: flex; justify-content: center; gap: 12px; margin-top: 32px; }
.carousel-btn { width: 44px; height: 44px; border-radius: 50%; border: 1.5px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.05); color: #fff; font-size: 18px; cursor: pointer; display: flex; align-items: center; justify-content: center; transition: all 0.22s; }
.carousel-btn:hover { background: var(--accent); border-color: var(--accent); color: var(--primary); }

/* =========================================
   CTA SECTION
   ========================================= */
.cta-section { background: var(--bg-light); padding: var(--sp) 0; }
.cta-box { background: var(--primary); border-radius: var(--radius-xl); padding: 70px 80px; display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 48px; align-items: center; }
.cta-box h2 { color: #fff; margin-bottom: 18px; }
.cta-box p { color: var(--white-82); font-size: 16px; line-height: 1.8; }
.cta-actions { display: flex; flex-direction: column; gap: 14px; align-items: center; }
.cta-phone { display: flex; align-items: center; gap: 10px; color: var(--white-82); font-size: 15px; font-weight: 500; }

/* =========================================
   FOOTER
   ========================================= */
.site-footer { background: var(--primary); padding: 80px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 48px; padding-bottom: 60px; border-bottom: 1px solid var(--border-dark); }
.footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 20px; }
.footer-logo .logo-mark { width: 36px; height: 36px; border-radius: 8px; background: var(--accent); display: flex; align-items: center; justify-content: center; color: var(--primary); font-family: var(--font-serif); font-size: 18px; font-weight: 700; flex-shrink: 0; }
.footer-logo span { color: #fff; font-family: var(--font-serif); font-size: 18px; font-weight: 700; letter-spacing: 3px; }
.footer-brand > p { color: var(--white-82); font-size: 14px; line-height: 1.8; max-width: 280px; margin-bottom: 24px; }
.footer-col h4 { color: #fff; font-family: var(--font-sans); font-size: 12px; font-weight: 700; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul li a, .footer-col ul li span { color: var(--white-60); font-size: 14px; transition: color 0.2s; }
.footer-col ul li a:hover { color: #fff; }
.social-links { display: flex; gap: 12px; margin-top: 8px; }
.social-links a { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--border-dark); display: flex; align-items: center; justify-content: center; color: var(--white-60); transition: all 0.22s; }
.social-links a:hover { background: var(--accent); color: var(--primary); border-color: var(--accent); }
.footer-bottom { display: flex; align-items: center; justify-content: space-between; padding: 28px 0; flex-wrap: wrap; gap: 16px; }
.footer-bottom p { color: var(--white-60); font-size: 13px; }
.footer-legal { display: flex; gap: 24px; }
.footer-legal a { color: var(--white-60); font-size: 13px; transition: color 0.2s; }
.footer-legal a:hover { color: #fff; }
.footer-btn-group { display: flex; gap: 10px; flex-wrap: wrap; }

/* =========================================
   ABOUT PAGE
   ========================================= */
.founder-grid { display: grid; grid-template-columns: 1fr 1.15fr; gap: 64px; align-items: start; }
.founder-photo { border-radius: var(--radius-xl); overflow: hidden; }
.founder-photo img { width: 100%; height: 520px; object-fit: cover; display: block; }
.founder-bio h2 { margin-bottom: 4px; }
.founder-title { color: var(--accent); font-family: var(--font-serif); font-size: 20px; margin-bottom: 28px; display: block; }
.founder-bio p { color: var(--text-body); font-size: 16px; line-height: 1.95; margin-bottom: 18px; }
.cert-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.cert-badge { background: var(--bg-light); border: 1px solid var(--border); border-radius: var(--radius-pill); padding: 8px 18px; font-size: 13px; font-weight: 600; color: var(--primary); }
.values-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.value-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; }
.value-icon { font-size: 36px; margin-bottom: 20px; }
.value-card h3 { margin-bottom: 12px; font-size: 22px; }
.value-card p { font-size: 15px; color: var(--text-body); line-height: 1.8; }
.stats-grid { display: grid; grid-template-columns: repeat(4,1fr); gap: 32px; text-align: center; }
.stat-number { font-family: var(--font-serif); font-size: 56px; font-weight: 700; color: #fff; line-height: 1; margin-bottom: 10px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.65); font-weight: 500; }

/* =========================================
   PROGRAMS PAGE
   ========================================= */
.pillars-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 28px; }
.pillar-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; }
.pillar-icon { font-size: 40px; margin-bottom: 16px; display: block; }
.pillar-subtitle { color: var(--accent); font-size: 14px; font-weight: 600; margin-bottom: 16px; display: block; }
.pillar-card > p { color: var(--text-body); font-size: 15px; line-height: 1.8; margin-bottom: 20px; }
.pillar-list li { font-size: 14px; color: var(--text-body); padding: 8px 0; border-top: 1px solid var(--border); display: flex; align-items: center; gap: 8px; }
.pillar-list li::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--accent); flex-shrink: 0; }
.programs-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
.program-card { border: 1.5px solid var(--border); border-radius: var(--radius-xl); overflow: hidden; background: #fff; display: flex; flex-direction: column; position: relative; }
.program-featured { border-color: var(--accent); box-shadow: 0 12px 48px rgba(130,213,208,0.18); }
.program-badge { position: absolute; top: 20px; right: 20px; background: var(--accent); color: var(--primary); font-size: 11px; font-weight: 800; letter-spacing: 1.5px; text-transform: uppercase; padding: 5px 14px; border-radius: var(--radius-pill); }
.program-header { padding: 36px 36px 24px; border-bottom: 1px solid var(--border); }
.program-type-icon { font-size: 36px; margin-bottom: 16px; }
.program-header h3 { font-size: 26px; margin-bottom: 8px; }
.program-tagline { color: var(--text-muted); font-size: 15px; font-weight: 500; }
.program-body { padding: 28px 36px; flex: 1; }
.program-body > p { color: var(--text-body); font-size: 15px; line-height: 1.8; margin-bottom: 24px; }
.program-features { list-style: none; margin-bottom: 24px; }
.program-features li { font-size: 14px; color: var(--text-body); padding: 9px 0; border-bottom: 1px solid var(--border); }
.program-features li:last-child { border-bottom: none; }
.program-footer { padding: 24px 36px; border-top: 1px solid var(--border); }
.onboarding-step { display: grid; grid-template-columns: 80px 1fr; gap: 24px; margin-bottom: 40px; align-items: start; }
.step-number { font-family: var(--font-serif); font-size: 52px; font-weight: 700; color: var(--accent); line-height: 1; }
.step-content h3 { font-size: 22px; margin-bottom: 10px; }
.step-content p { color: var(--text-body); font-size: 16px; line-height: 1.8; }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.faq-item { border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 28px; }
.faq-item h4 { color: #fff; font-size: 17px; margin-bottom: 12px; }
.faq-item p { color: rgba(255,255,255,0.65); font-size: 15px; line-height: 1.8; }

/* =========================================
   CONTACT PAGE
   ========================================= */
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 64px; align-items: start; }
.contact-info > p { color: var(--text-body); font-size: 16px; line-height: 1.85; margin-bottom: 36px; }
.contact-details { display: flex; flex-direction: column; gap: 24px; margin-bottom: 36px; }
.contact-detail-item { display: flex; align-items: flex-start; gap: 16px; }
.contact-icon { width: 46px; height: 46px; border-radius: 12px; background: rgba(130,213,208,0.12); display: flex; align-items: center; justify-content: center; font-size: 20px; flex-shrink: 0; }
.contact-detail-label { font-size: 12px; font-weight: 700; letter-spacing: 1.5px; text-transform: uppercase; color: var(--text-muted); margin-bottom: 4px; }
.contact-detail-value { font-size: 15px; color: var(--primary); font-weight: 500; }
a.contact-detail-value:hover { color: var(--accent); }
.book-cta-mini { background: var(--primary); border-radius: var(--radius-lg); padding: 28px 32px; margin-top: 36px; }
.book-cta-mini p { color: rgba(255,255,255,0.75); font-size: 14px; margin-bottom: 16px; }
.contact-form-wrap { background: var(--bg-light); border-radius: var(--radius-xl); padding: 48px; }
.contact-form-wrap h3 { font-size: 26px; margin-bottom: 8px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 13px; font-weight: 600; color: var(--primary); margin-bottom: 8px; letter-spacing: 0.5px; }
.form-group input, .form-group select, .form-group textarea {
  width: 100%; padding: 14px 18px; border: 1.5px solid var(--border);
  border-radius: var(--radius-md); font-family: var(--font-sans);
  font-size: 15px; color: var(--primary); background: var(--bg-white);
  transition: border-color 0.2s, box-shadow 0.2s; outline: none; -webkit-appearance: none;
}
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(130,213,208,0.18); }
.form-group textarea { height: 130px; resize: vertical; }
.form-submit { width: 100%; justify-content: center; font-size: 16px; padding: 18px; cursor: pointer; }

/* =========================================
   THANK YOU
   ========================================= */
.thankyou-section { min-height: 70vh; display: flex; align-items: center; padding: 100px 0; }
.thankyou-box { text-align: center; max-width: 520px; margin: 0 auto; padding: 60px 48px; background: #fff; border-radius: var(--radius-xl); box-shadow: var(--shadow-md); }
.thankyou-icon { font-size: 64px; margin-bottom: 24px; }

/* =========================================
   FADE-UP ANIMATION
   ========================================= */
.fade-up { opacity: 0; transform: translateY(28px); transition: opacity 0.6s ease, transform 0.6s ease; }
.fade-up.visible { opacity: 1; transform: translateY(0); }

/* =========================================
   WHATSAPP FLOAT
   ========================================= */
.whatsapp-float { position: fixed; bottom: 28px; right: 28px; width: 56px; height: 56px; border-radius: 50%; background: #25D366; display: flex; align-items: center; justify-content: center; z-index: 999; box-shadow: 0 8px 24px rgba(0,0,0,0.2); transition: transform 0.22s; color: #fff; }
.whatsapp-float:hover { transform: scale(1.1); }

/* =========================================
   RESPONSIVE
   ========================================= */
@media (max-width: 1024px) {
  :root { --sp: 72px; }
  .formula-grid { grid-template-columns: 1fr 1fr; }
  .formula-grid .formula-card:last-child { grid-column: span 2; max-width: 500px; margin: 0 auto; width: 100%; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .founder-grid { grid-template-columns: 1fr; gap: 40px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
}
@media (max-width: 900px) {
  .story-grid, .solution-grid, .contact-grid, .cta-box { grid-template-columns: 1fr; }
  .cta-box { padding: 50px 36px; }
  .programs-grid, .values-grid, .pillars-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  :root { --sp: 56px; }
  .container { padding: 0 20px; }
  .nav-links, .nav-cta { display: none; }
  .hamburger { display: flex; }
  .formula-grid { grid-template-columns: 1fr; }
  .formula-grid .formula-card:last-child { grid-column: unset; max-width: unset; }
  .people-w { display: none; }
  .people-list { display: flex; }
  .footer-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .contact-form-wrap { padding: 28px 20px; }
  .cta-box { padding: 40px 24px; }
  .cta-btns { flex-direction: column; }
}
@media (max-width: 480px) {
  h1 { font-size: 36px; }
  h2 { font-size: 28px; }
  .btn { padding: 14px 28px; font-size: 14px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stat-number { font-size: 42px; }
}