/* ============================================================
   FRED BRAMANTE / NCCBL — Modern Stylesheet
   ============================================================ */

/* --- Reset & Base --- */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

:root {
  --primary:       #0284C7;
  --primary-dark:  #0369A1;
  --primary-light: #38BDF8;
  --dark:          #0F172A;
  --dark-2:        #1E293B;
  --mid:           #475569;
  --light:         #F1F5F9;
  --white:         #FFFFFF;
  --border:        #E2E8F0;
  --shadow:        0 4px 6px -1px rgba(0,0,0,.10), 0 2px 4px -2px rgba(0,0,0,.10);
  --shadow-lg:     0 10px 25px -3px rgba(0,0,0,.12), 0 4px 6px -4px rgba(0,0,0,.10);
  --radius:        8px;
  --radius-lg:     14px;
  --font-body:     'Inter', 'Open Sans', system-ui, sans-serif;
  --font-head:     'Poppins', system-ui, sans-serif;
  --transition:    0.3s ease;
  --max-width:     1160px;
}

html { scroll-behavior: smooth; }

body {
  font-family: var(--font-body);
  color: var(--dark-2);
  background: var(--white);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-head);
  font-weight: 700;
  line-height: 1.2;
  color: var(--dark);
}

a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
sup { font-size: 0.65em; }

/* --- Layout Utilities --- */
.container {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
}
.section      { padding: 90px 0; }
.section-sm   { padding: 60px 0; }

/* ============================================================
   NAVIGATION
   ============================================================ */
.site-nav {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 1000;
  padding: 1.25rem 0;
  transition: background var(--transition), padding var(--transition), box-shadow var(--transition);
}
.site-nav.scrolled {
  background: rgba(15, 23, 42, 0.96);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  padding: 0.75rem 0;
  box-shadow: 0 2px 24px rgba(0,0,0,.3);
}

.nav-inner {
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.nav-logo {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-decoration: none;
  line-height: 1.1;
}
.nav-logo .logo-top {
  font-family: var(--font-head);
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--primary-light);
  letter-spacing: 3px;
}
.nav-logo .logo-bottom {
  font-family: var(--font-head);
  font-size: 0.68rem;
  font-weight: 600;
  color: #fff;
  background: var(--primary);
  padding: 1px 8px;
  letter-spacing: 2px;
  text-transform: uppercase;
  border-radius: 2px;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 2.25rem;
  align-items: center;
}
.nav-links a {
  color: rgba(255,255,255,.8);
  font-family: var(--font-head);
  font-size: 0.82rem;
  font-weight: 500;
  letter-spacing: .5px;
  text-transform: uppercase;
  text-decoration: none;
  transition: color var(--transition);
  position: relative;
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: -4px; left: 0;
  width: 0; height: 2px;
  background: var(--primary-light);
  transition: width var(--transition);
}
.nav-links a:hover { color: #fff; }
.nav-links a:hover::after { width: 100%; }
.nav-links a.btn-nav {
  background: var(--primary);
  color: #fff;
  padding: .45rem 1.2rem;
  border-radius: 50px;
}
.nav-links a.btn-nav::after { display: none; }
.nav-links a.btn-nav:hover { background: var(--primary-dark); color: #fff; }

/* Always hide close button — only shown via JS when mobile menu opens */
.close-menu { display: none; }

/* Hamburger */
.nav-hamburger {
  display: none;
  flex-direction: column;
  gap: 5px;
  cursor: pointer;
  padding: 4px;
  background: none;
  border: none;
}
.nav-hamburger span {
  display: block;
  width: 24px; height: 2px;
  background: #fff;
  transition: all var(--transition);
}

/* Mobile overlay */
@media (max-width: 768px) {
  .nav-hamburger { display: flex; }
  .nav-links {
    display: none;
    position: fixed;
    inset: 0;
    background: var(--dark);
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 2.5rem;
    z-index: 9999;
  }
  .nav-links.open { display: flex; }
  .nav-links.open .close-menu { display: block; }
  .nav-links a { font-size: 1.4rem; }
  .close-menu {
    position: absolute;
    top: 1.5rem; right: 1.5rem;
    color: #fff;
    font-size: 1.5rem;
    cursor: pointer;
    background: none;
    border: none;
    line-height: 1;
    display: none;
  }
}

/* ============================================================
   HERO
   ============================================================ */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('../img/carousel-01.jpg');
  background-size: cover;
  background-position: center;
  animation: heroZoom 22s ease-in-out infinite alternate;
}
@keyframes heroZoom {
  from { transform: scale(1.0); }
  to   { transform: scale(1.08); }
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    to bottom,
    rgba(15,23,42,.65) 0%,
    rgba(15,23,42,.55) 50%,
    rgba(15,23,42,.80) 100%
  );
}
.hero-content {
  position: relative;
  z-index: 1;
  max-width: 860px;
  padding: 0 2rem;
}

.hero-eyebrow {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  font-family: var(--font-head);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  padding: .38rem 1rem;
  border-radius: 50px;
  margin-bottom: 1.5rem;
  animation: fadeInDown .8s ease both;
}
.hero-title {
  font-family: var(--font-head);
  font-size: clamp(3rem, 8vw, 5.5rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: .75rem;
  animation: fadeInUp .8s ease .2s both;
}
.hero-subtitle {
  font-family: var(--font-head);
  font-size: clamp(1rem, 2.5vw, 1.35rem);
  font-weight: 300;
  color: rgba(255,255,255,.85);
  max-width: 680px;
  margin: 0 auto 2rem;
  animation: fadeInUp .8s ease .4s both;
}
.hero-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
  flex-wrap: wrap;
  animation: fadeInUp .8s ease .6s both;
}
.hero-stat {
  display: flex;
  align-items: center;
  gap: .75rem;
  justify-content: center;
  margin-top: 3rem;
  animation: fadeInUp .8s ease .8s both;
}
.hero-stat-number {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary-light);
}
.hero-stat-text {
  font-size: .875rem;
  color: rgba(255,255,255,.7);
  text-align: left;
  line-height: 1.4;
}
.hero-scroll {
  position: absolute;
  bottom: 2rem;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: .5rem;
  color: rgba(255,255,255,.45);
  font-size: .7rem;
  letter-spacing: 2px;
  text-transform: uppercase;
  animation: scrollBounce 2s infinite;
}
.hero-scroll::before {
  content: '';
  display: block;
  width: 1px; height: 38px;
  background: rgba(255,255,255,.3);
}
@keyframes scrollBounce {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50%       { transform: translateX(-50%) translateY(8px); }
}
@keyframes fadeInDown {
  from { opacity: 0; transform: translateY(-20px); }
  to   { opacity: 1; transform: translateY(0); }
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(20px); }
  to   { opacity: 1; transform: translateY(0); }
}

/* ============================================================
   BUTTONS
   ============================================================ */
.btn {
  display: inline-block;
  padding: .875rem 2rem;
  border-radius: 50px;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  letter-spacing: .5px;
  cursor: pointer;
  transition: all var(--transition);
  border: 2px solid transparent;
  text-decoration: none;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(2,132,199,.4);
}
.btn-outline {
  background: transparent;
  color: #fff;
  border-color: rgba(255,255,255,.5);
}
.btn-outline:hover {
  background: rgba(255,255,255,.1);
  border-color: #fff;
  color: #fff;
  transform: translateY(-2px);
}
.btn-dark {
  background: var(--dark);
  color: #fff;
  border-color: var(--dark);
}
.btn-dark:hover {
  background: var(--dark-2);
  border-color: var(--dark-2);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0,0,0,.35);
}
.btn-sm { padding: .6rem 1.4rem; font-size: .8rem; }

/* Dynamically-inserted submit button (validation.js) */
.submit-form.button,
button.submit-form {
  display: inline-block;
  padding: .875rem 2rem;
  border-radius: 50px;
  font-family: var(--font-head);
  font-size: .85rem;
  font-weight: 600;
  cursor: pointer;
  border: 2px solid var(--primary);
  background: var(--primary);
  color: #fff;
  transition: all var(--transition);
  letter-spacing: .5px;
}
.submit-form.button:hover,
button.submit-form:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(2,132,199,.4);
}

/* ============================================================
   INTRO / OVERVIEW SECTION
   ============================================================ */
.intro-section {
  background: var(--white);
  text-align: center;
}
.section-label {
  display: block;
  color: var(--primary);
  font-family: var(--font-head);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: 3px;
  text-transform: uppercase;
  margin-bottom: .75rem;
}
.intro-section h2 {
  font-size: clamp(2rem, 4vw, 2.75rem);
  margin-bottom: .4rem;
}
.intro-section .subtitle {
  font-size: 1.15rem;
  color: var(--mid);
  font-weight: 400;
  margin-bottom: .5rem;
}
.intro-divider {
  width: 56px; height: 4px;
  background: var(--primary);
  border-radius: 2px;
  margin: 1.5rem auto;
}
.intro-text {
  max-width: 800px;
  margin: 0 auto;
  font-size: 1.025rem;
  color: var(--mid);
  line-height: 1.85;
}
.stats-row {
  display: flex;
  justify-content: center;
  gap: 3rem;
  margin-top: 3.5rem;
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-number {
  font-family: var(--font-head);
  font-size: 2.5rem;
  font-weight: 800;
  color: var(--primary);
  line-height: 1;
}
.stat-label {
  font-size: .8rem;
  color: var(--mid);
  margin-top: .3rem;
  text-transform: uppercase;
  letter-spacing: 1px;
}

/* ============================================================
   ABOUT SECTION
   ============================================================ */
.about-section { background: var(--light); }
.about-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: center;
}
.about-image-wrap { position: relative; }
.about-image-wrap img {
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  width: 100%;
  object-fit: cover;
}
.about-image-badge {
  position: absolute;
  bottom: -1.5rem; right: -1.5rem;
  background: var(--primary);
  color: #fff;
  padding: 1.25rem 1.5rem;
  border-radius: var(--radius);
  box-shadow: var(--shadow-lg);
  text-align: center;
}
.about-image-badge .badge-number {
  font-family: var(--font-head);
  font-size: 2rem;
  font-weight: 800;
  line-height: 1;
}
.about-image-badge .badge-text {
  font-size: .7rem;
  opacity: .9;
  margin-top: .25rem;
  line-height: 1.4;
}
.about-content h2 { font-size: clamp(1.8rem, 3vw, 2.4rem); margin-bottom: 1.5rem; }
.about-content p { color: var(--mid); line-height: 1.85; margin-bottom: 1.25rem; }
.about-highlights { display: flex; flex-direction: column; gap: .65rem; margin-top: 1.5rem; }
.highlight-item {
  display: flex;
  align-items: flex-start;
  gap: .75rem;
  font-size: .9rem;
  color: var(--mid);
}
.highlight-icon {
  width: 20px; height: 20px;
  background: var(--primary);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 2px;
}
.highlight-icon::after {
  content: '✓';
  color: #fff;
  font-size: 11px;
  font-weight: 700;
}

@media (max-width: 900px) {
  .about-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .about-image-badge { bottom: 1rem; right: 1rem; }
}

/* ============================================================
   KEYNOTES SECTION
   ============================================================ */
.keynotes-section { background: var(--white); }
.section-header { text-align: center; margin-bottom: 3.5rem; }
.section-header h2 { font-size: clamp(2rem, 4vw, 2.75rem); margin-bottom: .75rem; }
.section-header p { color: var(--mid); max-width: 600px; margin: 0 auto; }

.keynotes-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 1.5rem;
}
.keynote-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  box-shadow: var(--shadow);
  transition: transform var(--transition), box-shadow var(--transition);
}
.keynote-card:hover {
  transform: translateY(-6px);
  box-shadow: 0 22px 45px rgba(0,0,0,.14);
}
.keynote-card-header { padding: 2rem; background: var(--primary); }
.keynote-card:nth-child(2) .keynote-card-header { background: var(--dark); }

.keynote-number {
  font-family: var(--font-head);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: rgba(255,255,255,.55);
  margin-bottom: .5rem;
}
.keynote-card-header h3 { color: #fff; font-size: 1.1rem; font-weight: 700; line-height: 1.35; }

.keynote-card-body {
  padding: 2rem;
  background: var(--light);
  flex: 1;
  display: flex;
  flex-direction: column;
}
.keynote-card-body p { color: var(--mid); font-size: .9rem; line-height: 1.75; margin-bottom: 1rem; }

blockquote {
  border-left: 3px solid var(--primary);
  padding: .5rem 1rem;
  margin: 1rem 0;
  font-style: italic;
  color: var(--mid);
  font-size: .875rem;
}

.keynote-objectives { margin-bottom: 1.5rem; }
.keynote-objectives h4 {
  font-size: .72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1.5px;
  color: var(--dark-2);
  margin-bottom: .65rem;
}
.keynote-objectives ol { padding-left: 1.25rem; }
.keynote-objectives li { font-size: .875rem; color: var(--mid); margin-bottom: .35rem; line-height: 1.5; }
.keynote-card-body .btn { margin-top: auto; text-align: center; display: block; }

.references-box {
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem 2rem;
  margin-top: 2.5rem;
  text-align: center;
}
.references-box h4 {
  font-size: .75rem; font-weight: 700;
  color: var(--dark); margin-bottom: .65rem;
  text-transform: uppercase; letter-spacing: 1.5px;
}
.references-box p { font-size: .875rem; color: var(--mid); line-height: 1.8; }
.references-box a { color: var(--primary); }
.references-box a:hover { color: var(--primary-dark); }

@media (max-width: 1024px) {
  .keynotes-grid { grid-template-columns: 1fr; max-width: 580px; margin: 0 auto; }
}

/* ============================================================
   CLIENTS SECTION
   ============================================================ */
.clients-section { background: var(--light); }
.clients-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: start;
}
.clients-list { list-style: none; }
.clients-list li {
  padding: .6rem 0;
  border-bottom: 1px solid var(--border);
  font-size: .9rem;
  color: var(--mid);
  display: flex;
  align-items: center;
  gap: .6rem;
}
.clients-list li::before {
  content: '';
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
}
.video-title {
  font-size: .85rem;
  color: var(--mid);
  margin-bottom: .85rem;
  font-style: italic;
}
.video-wrap {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.video-wrap iframe {
  display: block;
  width: 100%;
  aspect-ratio: 16/9;
  border: none;
}

@media (max-width: 768px) {
  .clients-grid { grid-template-columns: 1fr; gap: 2.5rem; }
}

/* ============================================================
   BOOK FRED SECTION
   ============================================================ */
.book-section { background: var(--white); }
.book-grid {
  display: grid;
  grid-template-columns: 1fr 1.6fr;
  gap: 5rem;
  align-items: start;
}

.contact-info-cards { display: flex; flex-direction: column; gap: 1.25rem; }
.contact-card {
  display: flex;
  align-items: center;
  gap: 1.25rem;
  background: var(--light);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
  transition: box-shadow var(--transition);
}
.contact-card:hover { box-shadow: var(--shadow); }
.contact-card-icon {
  width: 48px; height: 48px;
  background: var(--primary);
  border-radius: var(--radius);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.contact-card-icon svg { width: 22px; height: 22px; fill: #fff; }
.contact-card h3 {
  font-size: .7rem; font-weight: 700;
  text-transform: uppercase; letter-spacing: 1px;
  color: var(--mid); margin-bottom: .2rem;
}
.contact-card p, .contact-card a { font-size: 1rem; font-weight: 500; color: var(--dark); }
.contact-card a:hover { color: var(--primary); }

/* Contact Form */
.form-section h2 { font-size: 1.5rem; margin-bottom: 1.5rem; }
.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1rem;
  margin-bottom: 1rem;
}
.form-group { margin-bottom: 1rem; }

input[type="text"],
input[type="email"],
textarea {
  width: 100%;
  padding: .875rem 1rem;
  border: 1.5px solid var(--border);
  border-radius: var(--radius);
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--dark);
  background: var(--white);
  transition: border-color var(--transition), box-shadow var(--transition);
  outline: none;
  appearance: none;
}
input[type="text"]:focus,
input[type="email"]:focus,
textarea:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(2,132,199,.12);
}
textarea { resize: vertical; min-height: 130px; }
input[type="file"] { font-size: .875rem; color: var(--mid); padding: .5rem 0; }

/* Validation.js-required classes */
.form-error {
  display: none;
  color: #ef4444;
  font-size: .8rem;
  margin-top: .35rem;
}
.form-success {
  display: none;
  color: #16a34a;
  font-weight: 500;
  padding: .875rem 1rem;
  background: #f0fdf4;
  border: 1px solid #bbf7d0;
  border-radius: var(--radius);
  margin-top: 1rem;
}
.mail-fail {
  display: none;
  color: #dc2626;
  font-weight: 500;
  padding: .875rem 1rem;
  background: #fef2f2;
  border: 1px solid #fecaca;
  border-radius: var(--radius);
  margin-top: 1rem;
}
.full-name-field { display: none !important; }

.captcha-button {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  background: var(--primary);
  color: #fff;
  padding: .75rem 1.5rem;
  border-radius: var(--radius);
  cursor: pointer;
  font-size: .9rem;
  font-weight: 500;
  transition: background var(--transition);
  user-select: none;
  text-decoration: none;
}
.captcha-button:hover { background: var(--primary-dark); color: #fff; }
.not-a-robot-icon i { display: none; }

.button-parent { margin-top: 1rem; }

@media (max-width: 768px) {
  .book-grid { grid-template-columns: 1fr; gap: 2.5rem; }
  .form-row { grid-template-columns: 1fr; }
}

/* ============================================================
   FOOTER
   ============================================================ */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.45);
  text-align: center;
  padding: 2rem;
  font-size: .875rem;
}
.site-footer a { color: var(--primary-light); }

/* ============================================================
   SCROLL-TRIGGERED ANIMATIONS
   ============================================================ */
.fade-in {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .65s ease, transform .65s ease;
}
.fade-in.visible { opacity: 1; transform: translateY(0); }

.fade-in-children > * {
  opacity: 0;
  transform: translateY(22px);
  transition: opacity .5s ease, transform .5s ease;
}
.fade-in-children.visible > *:nth-child(1) { opacity: 1; transform: none; transition-delay: 0s; }
.fade-in-children.visible > *:nth-child(2) { opacity: 1; transform: none; transition-delay: .12s; }
.fade-in-children.visible > *:nth-child(3) { opacity: 1; transform: none; transition-delay: .24s; }
.fade-in-children.visible > *:nth-child(4) { opacity: 1; transform: none; transition-delay: .36s; }
.fade-in-children.visible > *:nth-child(5) { opacity: 1; transform: none; transition-delay: .48s; }