/* IT Upskill USA — styles.css */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --accent:    #2563eb;
  --accent2:   #7c3aed;
  --grad:      linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --hero-bg:   #050d1f;
  --dark-bg:   #0f172a;
  --dark-surf: #1e293b;
  --dark-bord: rgba(255,255,255,0.08);
  --light-bg:  #f8fafc;
  --white:     #ffffff;
  --text-d:    #e2e8f0;
  --text-d2:   #94a3b8;
  --text-l:    #0f172a;
  --text-l2:   #475569;
  --bord-l:    #e2e8f0;
  --card-l:    #ffffff;
  --shadow:    0 4px 24px rgba(0,0,0,0.09);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.14);
  --beg:       #10b981;
  --int:       #f59e0b;
  --adv:       #ef4444;
  --radius:    12px;
}

html { scroll-behavior: smooth; }
body { font-family: 'Inter', system-ui, sans-serif; line-height: 1.6; color: var(--text-l); background: var(--white); overflow-x: hidden; }

/* ── UTILS ── */
.container { max-width: 1140px; margin: 0 auto; padding: 0 24px; }
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }

/* ── BUTTONS ── */
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  gap: 8px; padding: 12px 24px; border-radius: 8px; font-size: 15px;
  font-weight: 600; cursor: pointer; border: none; transition: all .2s; white-space: nowrap;
}
.btn-primary { background: var(--grad); color: #fff; box-shadow: 0 4px 14px rgba(37,99,235,.35); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(37,99,235,.45); }
.btn-outline { background: transparent; color: var(--text-l); border: 2px solid var(--bord-l); }
.btn-outline:hover { border-color: var(--accent); color: var(--accent); }
.btn-ghost { background: rgba(255,255,255,.10); color: #fff; border: 1.5px solid rgba(255,255,255,.25); }
.btn-ghost:hover { background: rgba(255,255,255,.18); border-color: rgba(255,255,255,.5); }
.btn-outline-accent { background: transparent; color: var(--accent); border: 1.5px solid var(--accent); font-size: 13px; padding: 8px 16px; }
.btn-outline-accent:hover { background: rgba(37,99,235,.08); }
.btn-lg { padding: 16px 32px; font-size: 16px; border-radius: 10px; }
.btn-sm { padding: 8px 16px; font-size: 13px; border-radius: 7px; }
.btn-block { width: 100%; margin-top: 20px; }

/* ── NAV ── */
#nav {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: transparent;
  transition: background .3s, box-shadow .3s;
}
#nav.scrolled { background: rgba(5,13,31,.92); backdrop-filter: blur(16px); box-shadow: 0 1px 0 var(--dark-bord); }
.nav-inner {
  display: flex; align-items: center; gap: 32px;
  max-width: 1140px; margin: 0 auto; padding: 0 24px; height: 68px;
}
.nav-logo { display: flex; align-items: center; gap: 8px; font-size: 18px; font-weight: 700; color: #fff; }
.logo-bolt { font-size: 20px; color: var(--accent); }
.nav-links { display: flex; list-style: none; gap: 28px; margin: 0 auto; }
.nav-links a { color: rgba(255,255,255,.80); font-size: 14px; font-weight: 500; transition: color .2s; }
.nav-links a:hover { color: #fff; }
.nav-cta { padding: 9px 20px; font-size: 14px; }
.hamburger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.hamburger span { display: block; width: 22px; height: 2px; background: #fff; border-radius: 2px; transition: all .25s; }

/* ── HERO ── */
#hero {
  position: relative; min-height: 100vh; display: flex; align-items: center;
  background: var(--hero-bg); overflow: hidden;
}
.hero-grid-overlay {
  position: absolute; inset: 0;
  background-image: linear-gradient(rgba(37,99,235,.07) 1px, transparent 1px),
                    linear-gradient(90deg, rgba(37,99,235,.07) 1px, transparent 1px);
  background-size: 60px 60px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black, transparent);
}
.hero-content { position: relative; text-align: center; padding: 120px 0 80px; }
.hero-eyebrow { font-size: 13px; font-weight: 600; color: rgba(255,255,255,.55); letter-spacing: .06em; text-transform: uppercase; margin-bottom: 24px; }
#hero h1 { font-size: clamp(2.4rem, 5.5vw, 4.2rem); font-weight: 900; color: #fff; line-height: 1.1; margin-bottom: 24px; }
.gradient-text { background: var(--grad); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero-sub { font-size: clamp(1rem, 2vw, 1.2rem); color: var(--text-d2); max-width: 600px; margin: 0 auto 40px; }
.hero-ctas { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 56px; }
.hero-trust { display: flex; gap: 28px; justify-content: center; flex-wrap: wrap; }
.trust-item { font-size: 13px; font-weight: 500; color: rgba(255,255,255,.55); display: flex; align-items: center; gap: 6px; }
.trust-icon { color: var(--beg); font-size: 12px; }

/* ── SECTIONS ── */
.sec-light { background: var(--light-bg); padding: 100px 0; }
.sec-dark  { background: var(--dark-bg);  padding: 100px 0; }
.section-hdr { text-align: center; margin-bottom: 64px; }
.sec-label { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; color: var(--accent); margin-bottom: 12px; }
.section-hdr h2 { font-size: clamp(1.9rem, 3.5vw, 2.8rem); font-weight: 800; margin-bottom: 14px; }
.sec-dark .section-hdr h2 { color: #fff; }
.sec-dark .sec-sub { color: var(--text-d2); }
.sec-sub { font-size: 1.05rem; color: var(--text-l2); max-width: 520px; margin: 0 auto; }

/* ── HOW IT WORKS ── */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.step-card {
  background: var(--white); border: 1px solid var(--bord-l); border-radius: var(--radius);
  padding: 40px 32px; position: relative; transition: transform .25s, box-shadow .25s;
}
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num { position: absolute; top: 24px; right: 24px; font-size: 13px; font-weight: 800; color: var(--accent); opacity: .5; letter-spacing: .05em; }
.step-icon { font-size: 2.4rem; margin-bottom: 20px; }
.step-card h3 { font-size: 1.15rem; font-weight: 700; color: var(--text-l); margin-bottom: 12px; }
.step-card p { font-size: 0.93rem; color: var(--text-l2); line-height: 1.65; }

/* ── COURSES ── */
.level-block { margin-bottom: 56px; }
.level-divider {
  display: flex; align-items: center; gap: 16px; margin-bottom: 28px;
}
.level-divider::before, .level-divider::after { content: ''; flex: 1; height: 1px; background: var(--dark-bord); }
.level-divider span { font-size: 12px; font-weight: 700; letter-spacing: .1em; text-transform: uppercase; padding: 4px 16px; border-radius: 100px; }
.beginner-div span { background: rgba(16,185,129,.15); color: var(--beg); }
.inter-div span    { background: rgba(245,158,11,.15); color: var(--int); }
.adv-div span      { background: rgba(239,68,68,.15);  color: var(--adv); }
.courses-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.course-card {
  background: var(--dark-surf); border: 1px solid var(--dark-bord); border-radius: var(--radius);
  padding: 32px; transition: transform .25s, border-color .25s, box-shadow .25s;
}
.course-card:hover { transform: translateY(-6px); border-color: rgba(37,99,235,.4); box-shadow: 0 12px 40px rgba(37,99,235,.12); }
.course-icon-wrap { font-size: 2rem; margin-bottom: 16px; }
.lvl-badge { display: inline-block; font-size: 11px; font-weight: 700; letter-spacing: .08em; text-transform: uppercase; padding: 3px 10px; border-radius: 100px; margin-bottom: 14px; }
.lvl-beg { background: rgba(16,185,129,.15);  color: var(--beg); }
.lvl-int { background: rgba(245,158,11,.15);  color: var(--int); }
.lvl-adv { background: rgba(239,68,68,.15);   color: var(--adv); }
.course-card h3 { font-size: 1.1rem; font-weight: 700; color: #fff; margin-bottom: 10px; }
.course-card p  { font-size: 0.88rem; color: var(--text-d2); margin-bottom: 18px; line-height: 1.6; }
.course-feat { list-style: none; margin-bottom: 24px; }
.course-feat li { font-size: 0.85rem; color: var(--text-d); padding: 5px 0; border-bottom: 1px solid var(--dark-bord); display: flex; align-items: center; gap: 8px; }
.course-feat li::before { content: '✓'; color: var(--beg); font-weight: 700; font-size: 11px; }
.course-foot { display: flex; align-items: center; justify-content: space-between; }
.price-tag { font-weight: 700; font-size: 1rem; color: #fff; }
.coming { font-size: 0.8rem; font-weight: 600; color: var(--text-d2); background: var(--dark-bord); padding: 5px 12px; border-radius: 100px; }

/* ── COACHING ── */
.coaching-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; align-items: start; }
.coaching-card {
  background: var(--card-l); border: 1px solid var(--bord-l); border-radius: var(--radius);
  padding: 36px 32px; position: relative; transition: transform .25s, box-shadow .25s;
}
.coaching-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.coaching-card.featured { border-color: var(--accent); box-shadow: 0 0 0 1px var(--accent), var(--shadow-lg); }
.featured-tag {
  position: absolute; top: -13px; left: 50%; transform: translateX(-50%);
  background: var(--grad); color: #fff; font-size: 11px; font-weight: 700;
  letter-spacing: .08em; text-transform: uppercase; padding: 4px 16px; border-radius: 100px;
  white-space: nowrap;
}
.tier-name { font-size: 1.1rem; font-weight: 800; color: var(--text-l); margin-bottom: 8px; }
.tier-price { font-size: 2rem; font-weight: 900; color: var(--accent); margin-bottom: 14px; }
.coming-price { font-size: 1rem; font-weight: 600; color: var(--text-l2); background: var(--light-bg); display: inline-block; padding: 6px 16px; border-radius: 8px; margin-bottom: 14px; }
.tier-desc { font-size: 0.88rem; color: var(--text-l2); margin-bottom: 20px; line-height: 1.55; }
.tier-feats { list-style: none; margin-bottom: 8px; }
.tier-feats li { font-size: 0.87rem; color: var(--text-l2); padding: 7px 0; border-bottom: 1px solid var(--bord-l); display: flex; align-items: center; gap: 8px; }
.tier-feats li::before { content: '✓'; color: var(--accent); font-weight: 700; font-size: 11px; }

/* ── ABOUT ── */
.sec-about { padding: 100px 0; }
.about-inner { display: grid; grid-template-columns: 1fr 420px; gap: 72px; align-items: center; }
.about-text .sec-label { color: var(--accent); }
.about-text h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; color: #fff; margin-bottom: 24px; line-height: 1.2; }
.about-text p { font-size: 0.95rem; color: var(--text-d2); margin-bottom: 18px; line-height: 1.7; }
.about-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 28px; }
.abadge { font-size: 12px; font-weight: 600; color: var(--text-d); background: rgba(255,255,255,.06); border: 1px solid var(--dark-bord); padding: 7px 16px; border-radius: 100px; }
.about-photo { border-radius: 16px; overflow: hidden; background: var(--dark-surf); min-height: 380px; display: flex; align-items: center; justify-content: center; border: 1px solid var(--dark-bord); }
.about-photo img { width: 100%; height: 380px; object-fit: cover; }
.photo-placeholder { display: flex; flex-direction: column; align-items: center; gap: 12px; color: var(--text-d2); padding: 40px; text-align: center; }
.photo-placeholder span { font-size: 3rem; }

/* ── FAQ ── */
.faq-wrap { max-width: 720px; }
.faq-list { border: 1px solid var(--bord-l); border-radius: var(--radius); overflow: hidden; }
.faq-item { border-bottom: 1px solid var(--bord-l); }
.faq-item:last-child { border-bottom: none; }
.faq-q {
  width: 100%; text-align: left; background: none; border: none; cursor: pointer;
  padding: 20px 24px; font-size: 0.95rem; font-weight: 600; color: var(--text-l);
  display: flex; justify-content: space-between; align-items: center; gap: 16px;
  transition: background .2s;
}
.faq-q:hover { background: rgba(37,99,235,.04); }
.faq-q[aria-expanded="true"] { color: var(--accent); }
.faq-arrow { font-size: 1.3rem; color: var(--text-l2); transition: transform .25s; line-height: 1; flex-shrink: 0; }
.faq-q[aria-expanded="true"] .faq-arrow { transform: rotate(180deg); color: var(--accent); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .35s ease, padding .25s; }
.faq-a.open { max-height: 200px; padding: 0 24px 20px; }
.faq-a p { font-size: 0.9rem; color: var(--text-l2); line-height: 1.7; }

/* ── CONTACT ── */
.contact-inner { display: grid; grid-template-columns: 1fr 1.4fr; gap: 72px; align-items: start; }
.contact-info .sec-label { color: var(--accent); }
.contact-info h2 { font-size: clamp(1.8rem, 3vw, 2.6rem); font-weight: 800; color: #fff; margin-bottom: 20px; }
.contact-info p { font-size: 0.95rem; color: var(--text-d2); line-height: 1.7; margin-bottom: 32px; }
.contact-details { display: flex; flex-direction: column; gap: 16px; }
.contact-line { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; font-weight: 500; color: var(--text-d); transition: color .2s; }
.contact-line:hover { color: var(--accent); }
.contact-line span { font-size: 1.1rem; }
.contact-form { background: var(--dark-surf); border: 1px solid var(--dark-bord); border-radius: var(--radius); padding: 36px; }
.form-row { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.form-group { display: flex; flex-direction: column; gap: 6px; margin-bottom: 16px; }
.form-group label { font-size: 13px; font-weight: 600; color: var(--text-d); }
.form-group input, .form-group select, .form-group textarea {
  background: rgba(255,255,255,.05); border: 1px solid var(--dark-bord); border-radius: 8px;
  padding: 12px 14px; font-size: 14px; color: var(--text-d); outline: none;
  font-family: inherit; transition: border-color .2s;
}
.form-group input::placeholder, .form-group textarea::placeholder { color: rgba(148,163,184,.45); }
.form-group select option { background: var(--dark-surf); color: var(--text-d); }
.form-group input:focus, .form-group select:focus, .form-group textarea:focus { border-color: var(--accent); }
.form-group textarea { resize: vertical; min-height: 100px; }
#submit-btn.sent { background: var(--beg); box-shadow: 0 4px 14px rgba(16,185,129,.35); }

/* ── FOOTER ── */
#footer { background: var(--hero-bg); border-top: 1px solid var(--dark-bord); }
.footer-inner { display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr; gap: 48px; padding: 64px 0 40px; }
.footer-brand .nav-logo { color: #fff; margin-bottom: 14px; }
.footer-brand p { font-size: 0.87rem; color: var(--text-d2); line-height: 1.65; max-width: 240px; }
.footer-col h4 { font-size: 13px; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: .04em; }
.footer-col ul { list-style: none; display: flex; flex-direction: column; gap: 10px; }
.footer-col a { font-size: 13px; color: var(--text-d2); transition: color .2s; }
.footer-col a:hover { color: #fff; }
.footer-bar { border-top: 1px solid var(--dark-bord); padding: 20px 24px; text-align: center; }
.footer-bar p { font-size: 13px; color: rgba(148,163,184,.5); }
.footer-bar a { color: rgba(148,163,184,.5); transition: color .2s; }
.footer-bar a:hover { color: #fff; }

/* ── CREDENTIALS STRIP ── */
.cred-strip { background: var(--accent); padding: 14px 0; }
.cred-inner { display: flex; flex-wrap: wrap; align-items: center; gap: 16px 24px; justify-content: center; }
.cred-label { font-size: 12px; font-weight: 700; letter-spacing: .07em; text-transform: uppercase; color: rgba(255,255,255,.9); white-space: nowrap; }
.cred-pills { display: flex; flex-wrap: wrap; gap: 8px; justify-content: center; }
.cpill { font-size: 12px; font-weight: 600; color: #fff; background: rgba(255,255,255,.15); border: 1px solid rgba(255,255,255,.25); padding: 4px 12px; border-radius: 100px; white-space: nowrap; }

/* ── SCROLL REVEAL ── */
.reveal { opacity: 0; transform: translateY(28px); transition: opacity .6s ease, transform .6s ease; }
.reveal.visible { opacity: 1; transform: none; }

/* ── RESPONSIVE ── */
@media (max-width: 960px) {
  .steps-grid { grid-template-columns: 1fr; }
  .coaching-grid { grid-template-columns: 1fr; }
  .about-inner { grid-template-columns: 1fr; }
  .about-photo { min-height: 260px; }
  .about-photo img { height: 260px; }
  .contact-inner { grid-template-columns: 1fr; }
  .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 700px) {
  .hamburger { display: flex; }
  .nav-links {
    display: none; flex-direction: column; gap: 0;
    position: absolute; top: 68px; left: 0; right: 0;
    background: rgba(5,13,31,.97); padding: 16px 0; border-bottom: 1px solid var(--dark-bord);
  }
  .nav-links.open { display: flex; }
  .nav-links a { display: block; padding: 14px 28px; font-size: 16px; }
  .nav-cta { display: none; }
  .courses-grid { grid-template-columns: 1fr; }
  .form-row { grid-template-columns: 1fr; }
  .hero-trust { flex-direction: column; align-items: center; gap: 12px; }
  .footer-inner { grid-template-columns: 1fr; }
}