/* === RESET & BASE === */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: 80px; }
body { font-family: 'Inter', -apple-system, sans-serif; color: #1a1a2e; line-height: 1.6; font-size: 16px; background: #fff; }
a { color: inherit; text-decoration: none; }
img { max-width: 100%; height: auto; display: block; }
ul { list-style: none; }
h1, h2, h3, h4 { line-height: 1.2; }

.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* === NAV === */
.nav { position: fixed; top: 0; left: 0; right: 0; z-index: 100; background: rgba(255,255,255,0.95); backdrop-filter: blur(12px); border-bottom: 1px solid #eee; }
.nav__inner { display: flex; align-items: center; height: 64px; gap: 32px; }
.nav__logo { font-weight: 800; font-size: 20px; color: #1a1a2e; }
.nav__logo span { color: #4f46e5; }
.nav__links { display: flex; gap: 24px; margin-left: auto; }
.nav__links a { font-size: 14px; font-weight: 500; color: #555; transition: color .2s; }
.nav__links a:hover { color: #4f46e5; }
.nav__burger { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__burger span { width: 24px; height: 2px; background: #1a1a2e; border-radius: 2px; }

/* === BUTTONS === */
.btn { display: inline-flex; align-items: center; justify-content: center; padding: 12px 28px; border-radius: 10px; font-weight: 600; font-size: 15px; cursor: pointer; transition: all .2s; border: 2px solid transparent; text-align: center; }
.btn--lg { padding: 16px 36px; font-size: 17px; border-radius: 12px; }
.btn--sm { padding: 8px 20px; font-size: 13px; }
.btn--full { width: 100%; }
.btn:not(.btn--outline) { background: #4f46e5; color: #fff; border-color: #4f46e5; }
.btn:not(.btn--outline):hover { background: #4338ca; border-color: #4338ca; }
.btn--outline { background: transparent; color: #4f46e5; border-color: #4f46e5; }
.btn--outline:hover { background: #4f46e5; color: #fff; }

/* === BADGES === */
.badge { display: inline-block; padding: 6px 14px; border-radius: 20px; font-size: 13px; font-weight: 600; background: #f0f0ff; color: #4f46e5; }
.badge--accent { background: #4f46e5; color: #fff; }

/* === SECTIONS === */
.section { padding: 80px 0; }
.section--gray { background: #f8f9fb; }
.section--dark { background: #1a1a2e; color: #fff; }
.section--dark h2 { color: #fff; }
.section--accent { background: linear-gradient(135deg, #4f46e5, #7c3aed); color: #fff; }
.section--accent h2 { color: #fff; }
.section h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; color: #1a1a2e; }
.section__sub { font-size: 18px; color: #666; margin-bottom: 48px; }
.section--dark .section__sub { color: #aaa; }

/* === HERO === */
.hero { padding: 120px 0 80px; background: linear-gradient(160deg, #f8f9ff 0%, #eef0ff 100%); }
.hero__badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 28px; }
.hero h1 { font-size: 48px; font-weight: 800; max-width: 800px; margin-bottom: 20px; line-height: 1.15; }
.hero__sub { font-size: 20px; color: #555; max-width: 680px; margin-bottom: 36px; line-height: 1.6; }
.hero__cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero__meta { display: flex; gap: 40px; flex-wrap: wrap; }
.hero__meta-item { display: flex; flex-direction: column; gap: 4px; }
.hero__meta-item strong { font-size: 13px; color: #4f46e5; text-transform: uppercase; letter-spacing: .05em; }
.hero__meta-item span { font-size: 16px; font-weight: 600; }

/* === PAIN === */
.pain__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.pain__card { background: #fff; border-radius: 16px; padding: 32px; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.pain__icon { font-size: 32px; margin-bottom: 16px; }
.pain__card p { color: #444; font-size: 15px; }

/* === PROJECTS === */
.projects__grid { display: grid; gap: 32px; }
.project-card { display: grid; grid-template-columns: 1fr 1fr; background: #fff; border-radius: 16px; overflow: hidden; box-shadow: 0 4px 20px rgba(0,0,0,.08); border: 1px solid #eee; }
.project-card--featured { border: 2px solid #4f46e5; }
.project-card__img { background: #f5f5f5; padding: 16px; display: flex; align-items: center; }
.project-card__img img { border-radius: 8px; }
.project-card__body { padding: 32px; display: flex; flex-direction: column; gap: 12px; }
.project-card__body h3 { font-size: 22px; }
.project-card__task, .project-card__solution { font-size: 14px; color: #555; line-height: 1.6; }
.project-card__tags { display: flex; gap: 8px; flex-wrap: wrap; margin-top: auto; }
.project-card__tags span { padding: 4px 12px; border-radius: 16px; font-size: 12px; font-weight: 600; background: #f0f0ff; color: #4f46e5; }

/* === AUDIENCE === */
.audience__grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }
.audience__card { background: #fff; border-radius: 16px; padding: 32px; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.audience__emoji { font-size: 36px; margin-bottom: 12px; }
.audience__card h3 { font-size: 20px; margin-bottom: 8px; }
.audience__card p { color: #555; font-size: 15px; }

/* === SKILLS === */
.skills__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.skill { padding: 28px; border-radius: 16px; border: 1px solid #eee; transition: box-shadow .2s; }
.skill:hover { box-shadow: 0 4px 20px rgba(0,0,0,.08); }
.skill__num { font-size: 36px; font-weight: 800; color: #4f46e5; opacity: .3; margin-bottom: 12px; }
.skill h3 { font-size: 18px; margin-bottom: 8px; }
.skill p { font-size: 14px; color: #666; }

/* === PROGRAM === */
.program__stats { display: flex; gap: 40px; flex-wrap: wrap; margin-bottom: 48px; padding-bottom: 32px; border-bottom: 1px solid rgba(255,255,255,.15); }
.program__stat { display: flex; flex-direction: column; gap: 4px; }
.program__stat strong { font-size: 24px; }
.program__stat span { font-size: 14px; color: #aaa; }
.program__timeline { display: flex; flex-direction: column; gap: 8px; }
.program__block { background: rgba(255,255,255,.07); border-radius: 12px; overflow: hidden; border: 1px solid rgba(255,255,255,.1); }
.program__block-header { display: flex; align-items: center; gap: 20px; padding: 20px 24px; cursor: pointer; transition: background .2s; }
.program__block-header:hover { background: rgba(255,255,255,.05); }
.program__block-num { font-size: 20px; font-weight: 800; color: #818cf8; min-width: 40px; }
.program__block-info { flex: 1; }
.program__block-info h3 { font-size: 18px; margin-bottom: 2px; }
.program__block-meta { font-size: 13px; color: #aaa; }
.program__block-arrow { font-size: 12px; color: #aaa; transition: transform .3s; }
.program__block.open .program__block-arrow { transform: rotate(180deg); }
.program__block-body { display: none; padding: 0 24px 24px 84px; }
.program__block.open .program__block-body { display: block; }
.program__block-body ul { list-style: disc; padding-left: 20px; }
.program__block-body li { font-size: 14px; color: #ccc; margin-bottom: 6px; }
.program__topics { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; margin-bottom: 16px; }
.program__topic-group h4 { font-size: 14px; font-weight: 600; color: #818cf8; margin-bottom: 8px; }
.program__hw { padding: 16px; background: rgba(79,70,229,.15); border-radius: 8px; font-size: 14px; color: #ddd; margin-top: 12px; }
.program__note { text-align: center; margin-top: 32px; padding: 20px; background: rgba(255,255,255,.07); border-radius: 12px; color: #aaa; }

/* === SPEAKERS === */
.speakers__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.speaker-card { background: #fff; border-radius: 16px; padding: 32px; box-shadow: 0 2px 12px rgba(0,0,0,.06); display: flex; flex-direction: column; gap: 8px; border: 1px solid #eee; }
.speaker-card__avatar { width: 64px; height: 64px; border-radius: 50%; background: linear-gradient(135deg, #4f46e5, #7c3aed); color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 20px; margin-bottom: 8px; }
.speaker-card h3 { font-size: 20px; }
.speaker-card__role { font-size: 14px; font-weight: 600; color: #4f46e5; }
.speaker-card__company { font-size: 13px; color: #888; }
.speaker-card p { font-size: 14px; color: #555; flex: 1; }
.speaker-card__topics { display: flex; gap: 6px; flex-wrap: wrap; margin-top: 8px; }
.speaker-card__topics span { padding: 3px 10px; border-radius: 12px; font-size: 11px; font-weight: 600; background: #f0f0ff; color: #4f46e5; }

/* === FORMAT === */
.format__grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 20px; margin-top: 40px; }
.format__step { text-align: center; padding: 24px 16px; }
.format__step-num { width: 48px; height: 48px; border-radius: 50%; background: #4f46e5; color: #fff; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 20px; margin: 0 auto 16px; }
.format__step h3 { font-size: 16px; margin-bottom: 8px; }
.format__step p { font-size: 14px; color: #666; }
.format__time { text-align: center; margin-top: 40px; padding: 20px 32px; background: #fff; border-radius: 12px; font-size: 15px; box-shadow: 0 2px 12px rgba(0,0,0,.06); }

/* === PRICING === */
.pricing__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.pricing__card { background: #fff; border-radius: 20px; padding: 36px; box-shadow: 0 4px 20px rgba(0,0,0,.08); border: 2px solid #eee; display: flex; flex-direction: column; position: relative; }
.pricing__card--popular { border-color: #4f46e5; transform: scale(1.04); }
.pricing__badge { position: absolute; top: -14px; left: 50%; transform: translateX(-50%); background: #4f46e5; color: #fff; padding: 4px 20px; border-radius: 20px; font-size: 13px; font-weight: 600; white-space: nowrap; }
.pricing__card-header { margin-bottom: 24px; }
.pricing__card-header h3 { font-size: 24px; margin-bottom: 4px; }
.pricing__card-header p { font-size: 14px; color: #888; }
.pricing__price { margin-bottom: 4px; }
.pricing__old { font-size: 18px; color: #999; text-decoration: line-through; margin-right: 8px; }
.pricing__current { font-size: 36px; font-weight: 800; color: #1a1a2e; }
.pricing__installment { font-size: 13px; color: #888; margin-bottom: 24px; }
.pricing__features { flex: 1; margin-bottom: 24px; display: flex; flex-direction: column; gap: 10px; }
.pricing__features li { font-size: 14px; padding-left: 28px; position: relative; }
.pricing__features li::before { position: absolute; left: 0; font-size: 16px; }
.pricing__features li.yes { color: #333; }
.pricing__features li.yes::before { content: '\2713'; color: #22c55e; font-weight: 700; }
.pricing__features li.no { color: #bbb; }
.pricing__features li.no::before { content: '\2717'; color: #ddd; }
.pricing__guarantees { display: flex; gap: 32px; justify-content: center; flex-wrap: wrap; margin-top: 48px; padding-top: 32px; border-top: 1px solid #eee; }
.pricing__guarantee { text-align: center; }
.pricing__guarantee strong { display: block; font-size: 15px; }
.pricing__guarantee span { font-size: 13px; color: #888; }
.pricing__guarantee a { color: #4f46e5; }

/* === AFTER === */
.after__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.after__card { background: #fff; border-radius: 16px; padding: 32px; text-align: center; box-shadow: 0 2px 12px rgba(0,0,0,.06); }
.after__icon { font-size: 40px; margin-bottom: 16px; }
.after__card h3 { margin-bottom: 8px; }
.after__card p { font-size: 14px; color: #666; }

/* === REVIEWS === */
.reviews__grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 40px; }
.review-card { background: #f8f9fb; border-radius: 16px; padding: 28px; display: flex; flex-direction: column; gap: 16px; }
.review-card__text { font-size: 15px; color: #333; font-style: italic; flex: 1; }
.review-card__author strong { display: block; font-size: 15px; }
.review-card__author span { font-size: 13px; color: #888; }

/* === FAQ === */
.faq__list { max-width: 800px; margin: 40px auto 0; display: flex; flex-direction: column; gap: 8px; }
.faq__item { background: #fff; border-radius: 12px; overflow: hidden; box-shadow: 0 2px 8px rgba(0,0,0,.04); }
.faq__q { display: flex; align-items: center; justify-content: space-between; padding: 20px 24px; cursor: pointer; font-weight: 600; font-size: 16px; transition: background .2s; }
.faq__q:hover { background: #f8f9fb; }
.faq__arrow { font-size: 12px; color: #aaa; transition: transform .3s; }
.faq__item.open .faq__arrow { transform: rotate(180deg); }
.faq__a { display: none; padding: 0 24px 20px; }
.faq__item.open .faq__a { display: block; }
.faq__a p { font-size: 15px; color: #555; }

/* === FORM === */
.form__wrapper { max-width: 560px; margin: 0 auto; text-align: center; }
.form__wrapper h2 { color: #fff; }
.form__wrapper > p { color: rgba(255,255,255,.8); margin-bottom: 32px; }
.form { display: flex; flex-direction: column; gap: 12px; margin-bottom: 24px; }
.form input { padding: 16px 20px; border-radius: 12px; border: none; font-size: 16px; font-family: inherit; background: rgba(255,255,255,.95); }
.form input:focus { outline: 2px solid #fff; }
.form .btn { background: #fff; color: #4f46e5; border-color: #fff; font-size: 17px; }
.form .btn:hover { background: #f0f0ff; }
.form__note { display: flex; gap: 20px; justify-content: center; flex-wrap: wrap; font-size: 13px; color: rgba(255,255,255,.7); }

/* === FOOTER === */
.footer { padding: 48px 0; background: #1a1a2e; color: #aaa; }
.footer__inner { display: flex; gap: 40px; justify-content: space-between; flex-wrap: wrap; }
.footer__left p { font-size: 13px; margin-top: 8px; }
.footer__links { display: flex; gap: 20px; }
.footer__links a { font-size: 14px; transition: color .2s; }
.footer__links a:hover { color: #fff; }
.footer__contacts { display: flex; flex-direction: column; gap: 8px; font-size: 14px; }
.footer__contacts a:hover { color: #fff; }
.footer__social { display: flex; gap: 16px; margin-top: 4px; }

/* === MINI PROJECTS === */
.projects__more-title { font-size: 24px; font-weight: 700; margin: 48px 0 24px; text-align: center; }
.projects__mini-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.project-mini { padding: 24px; border-radius: 14px; border: 1px solid #eee; background: #fff; transition: box-shadow .2s; }
.project-mini:hover { box-shadow: 0 4px 16px rgba(0,0,0,.08); }
.project-mini__icon { font-size: 28px; margin-bottom: 10px; }
.project-mini h4 { font-size: 16px; margin-bottom: 6px; }
.project-mini p { font-size: 13px; color: #666; line-height: 1.5; }

/* === PROGRAM TABS === */
.program__tabs { display: flex; gap: 8px; margin-bottom: 24px; }
.program__tab { padding: 10px 24px; border-radius: 8px; border: 1px solid rgba(255,255,255,.2); background: transparent; color: #aaa; font-size: 15px; font-weight: 600; cursor: pointer; transition: all .2s; font-family: inherit; }
.program__tab:hover { background: rgba(255,255,255,.07); color: #fff; }
.program__tab.active { background: #4f46e5; color: #fff; border-color: #4f46e5; }
.program__block--project { border: 1px solid #4f46e5; background: rgba(79,70,229,.1); }

/* === FORMAT PROJECT === */
.format__project { text-align: center; margin-top: 32px; padding: 20px 32px; background: #4f46e5; color: #fff; border-radius: 12px; font-size: 15px; }
.format__project strong { display: block; margin-bottom: 4px; }

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    .hero h1 { font-size: 36px; }
    .pain__grid, .skills__grid, .speakers__grid, .pricing__grid, .reviews__grid, .after__grid { grid-template-columns: repeat(2, 1fr); }
    .projects__mini-grid { grid-template-columns: repeat(2, 1fr); }
    .format__grid { grid-template-columns: repeat(3, 1fr); }
    .pricing__card--popular { transform: none; }
}

@media (max-width: 768px) {
    .section { padding: 56px 0; }
    .section h2 { font-size: 28px; }
    .hero { padding: 96px 0 56px; }
    .hero h1 { font-size: 28px; }
    .hero__sub { font-size: 17px; }
    .hero__meta { gap: 24px; }
    .nav__links { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 20px 24px; border-bottom: 1px solid #eee; box-shadow: 0 4px 12px rgba(0,0,0,.1); }
    .nav__links.open { display: flex; }
    .nav__burger { display: flex; }
    .nav__inner .btn--sm { display: none; }
    .pain__grid, .audience__grid, .skills__grid, .speakers__grid, .pricing__grid, .reviews__grid, .after__grid, .projects__mini-grid { grid-template-columns: 1fr; }
    .format__grid { grid-template-columns: repeat(2, 1fr); }
    .project-card { grid-template-columns: 1fr; }
    .program__block-body { padding-left: 24px; }
    .program__topics { grid-template-columns: 1fr; }
    .footer__inner { flex-direction: column; gap: 24px; }
    .footer__links { flex-wrap: wrap; }
    .pricing__guarantees { flex-direction: column; align-items: center; }
}