/*
Theme Name: LOGOS GPT
Theme URI: https://logosgpt.ru
Author: LOGOS GPT Team
Description: Premium educational platform — ВебКодинг и ИИ нового поколения.
Version: 2.0.0
Requires at least: 6.0
Tested up to: 6.9
Requires PHP: 8.1
License: Proprietary
Text Domain: logos-gpt
*/

/* ===========================
   CSS VARIABLES — PREMIUM v2
=========================== */
:root {
    --color-primary:    #06091a;
    --color-secondary:  #4f46e5;
    --color-accent:     #f59e0b;
    --color-accent-2:   #10b981;
    --color-text:       #0f172a;
    --color-text-light: #64748b;
    --color-bg:         #ffffff;
    --color-bg-soft:    #f8faff;
    --color-bg-dark:    #06091a;
    --color-border:     #e8ecf4;
    --font-main:        'Inter', system-ui, sans-serif;
    --font-heading:     'Space Grotesk', 'Inter', system-ui, sans-serif;
    --radius:           10px;
    --radius-lg:        18px;
    --radius-xl:        28px;
    --shadow:           0 4px 20px rgba(79,70,229,.10);
    --shadow-lg:        0 12px 40px rgba(79,70,229,.18);
    --shadow-dark:      0 24px 64px rgba(6,9,26,.35);
    --transition:       .25s cubic-bezier(.4,0,.2,1);
    --container:        1160px;
    --header-h:         72px;
}

/* ===========================
   RESET & BASE
=========================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-main);
    color: var(--color-text);
    background: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-primary); }
ul { list-style: none; }
button, input, textarea, select { font: inherit; }

/* ===========================
   TYPOGRAPHY — PREMIUM
=========================== */
h1, h2, h3, h4, h5 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.2;
    color: var(--color-primary);
    margin-bottom: .75rem;
    letter-spacing: -.02em;
}
h1 { font-size: clamp(2rem, 5vw, 3.25rem); font-weight: 800; }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.25rem); font-weight: 700; }
h3 { font-size: 1.2rem; font-weight: 600; }
p  { margin-bottom: 1rem; }

/* ===========================
   LAYOUT
=========================== */
.container {
    width: 100%;
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 20px;
}
.section { padding: 72px 0; }
.section--soft { background: var(--color-bg-soft); }
.section__header { text-align: center; margin-bottom: 48px; }
.section__header p { color: var(--color-text-light); font-size: 1.05rem; max-width: 600px; margin: .5rem auto 0; }

/* Grid */
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }

/* ===========================
   HEADER — PREMIUM
=========================== */
.site-header {
    position: sticky;
    top: 0; left: 0; right: 0;
    height: var(--header-h);
    background: rgba(255,255,255,.85);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(79,70,229,.08);
    z-index: 1000;
    box-shadow: 0 1px 0 rgba(0,0,0,.04), 0 4px 24px rgba(79,70,229,.06);
}
.site-header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.site-logo { display: flex; align-items: center; gap: 10px; text-decoration: none; }
.site-logo__text {
    font-family: var(--font-heading);
    font-size: 1.45rem;
    font-weight: 800;
    color: var(--color-primary);
    letter-spacing: -.04em;
}
.site-logo__text span {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Nav */
.main-nav ul { display: flex; gap: 4px; align-items: center; }
.main-nav a {
    padding: 7px 14px;
    border-radius: var(--radius);
    color: var(--color-text);
    font-weight: 500;
    font-size: .9rem;
    transition: all var(--transition);
    letter-spacing: -.01em;
}
.main-nav a:hover { background: rgba(79,70,229,.07); color: var(--color-secondary); }
.main-nav .current-menu-item > a { color: var(--color-secondary); font-weight: 600; }

/* Кнопка CTA в навбаре */
.nav-cta a {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #fff !important;
    padding: 8px 22px;
    border-radius: 24px;
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(79,70,229,.3);
    border: none;
}
.nav-cta a:hover {
    background: linear-gradient(135deg, #4338ca, #6d28d9);
    box-shadow: 0 6px 20px rgba(79,70,229,.4);
    transform: translateY(-1px);
    color: #fff !important;
}

/* Burger mobile */
.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    padding: 8px;
    border: none;
    background: none;
}
.burger span { width: 24px; height: 2px; background: var(--color-primary); border-radius: 2px; transition: var(--transition); }

/* ===========================
   HERO — PREMIUM DARK
=========================== */
.hero {
    background: var(--color-primary);
    background-image:
        radial-gradient(ellipse 90% 70% at 10% 0%,   rgba(79,70,229,.40) 0%, transparent 55%),
        radial-gradient(ellipse 60% 50% at 85% 100%,  rgba(124,58,237,.30) 0%, transparent 55%),
        radial-gradient(ellipse 50% 40% at 50% 110%, rgba(245,158,11,.12) 0%, transparent 60%);
    color: #fff;
    padding: 112px 0 96px;
    position: relative;
    overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url("data:image/svg+xml,%3Csvg width='60' height='60' viewBox='0 0 60 60' xmlns='http://www.w3.org/2000/svg'%3E%3Cg fill='none' fill-rule='evenodd'%3E%3Cg fill='%23ffffff' fill-opacity='0.02'%3E%3Cpath d='M36 34v-4h-2v4h-4v2h4v4h2v-4h4v-2h-4zm0-30V0h-2v4h-4v2h4v4h2V6h4V4h-4zM6 34v-4H4v4H0v2h4v4h2v-4h4v-2H6zM6 4V0H4v4H0v2h4v4h2V6h4V4H6z'/%3E%3C/g%3E%3C/g%3E%3C/svg%3E");
    pointer-events: none;
}
.hero__content { max-width: 720px; position: relative; z-index: 1; }
.hero__badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(79,70,229,.25);
    border: 1px solid rgba(79,70,229,.5);
    color: rgba(255,255,255,.95);
    font-size: .8rem;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 24px;
    margin-bottom: 24px;
    letter-spacing: .3px;
    backdrop-filter: blur(8px);
}
.hero h1 {
    color: #fff;
    margin-bottom: 24px;
    font-size: clamp(2.2rem, 5.5vw, 3.6rem);
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -.03em;
}
.hero h1 em {
    font-style: normal;
    background: linear-gradient(135deg, #a78bfa, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__lead { font-size: 1.18rem; opacity: .8; margin-bottom: 40px; line-height: 1.65; max-width: 580px; }
.hero__actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero__stats {
    display: flex;
    gap: 48px;
    margin-top: 64px;
    flex-wrap: wrap;
    padding-top: 32px;
    border-top: 1px solid rgba(255,255,255,.1);
}
.hero__stat strong { display: block; font-size: 2.2rem; font-weight: 800; font-family: var(--font-heading); letter-spacing: -.03em; }
.hero__stat span { font-size: .82rem; opacity: .6; text-transform: uppercase; letter-spacing: .4px; }

/* ===========================
   BUTTONS — PREMIUM
=========================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 13px 30px;
    border-radius: 50px;
    font-family: var(--font-heading);
    font-weight: 600;
    font-size: .92rem;
    cursor: pointer;
    border: 2px solid transparent;
    transition: all var(--transition);
    text-decoration: none;
    letter-spacing: -.01em;
}
.btn-primary {
    background: linear-gradient(135deg, #f59e0b, #d97706);
    color: #fff;
    box-shadow: 0 6px 20px rgba(245,158,11,.35);
}
.btn-primary:hover {
    background: linear-gradient(135deg, #d97706, #b45309);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(245,158,11,.45);
}
.btn-outline {
    border-color: rgba(255,255,255,.35);
    color: rgba(255,255,255,.9);
    background: rgba(255,255,255,.05);
    backdrop-filter: blur(8px);
}
.btn-outline:hover {
    background: rgba(255,255,255,.15);
    border-color: rgba(255,255,255,.6);
    color: #fff;
    transform: translateY(-2px);
}
.btn-dark {
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    color: #fff;
    box-shadow: 0 6px 20px rgba(79,70,229,.30);
    border-color: transparent;
}
.btn-dark:hover {
    background: linear-gradient(135deg, #4338ca, #6d28d9);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(79,70,229,.40);
}

/* ===========================
   CARDS — PREMIUM
=========================== */
.card {
    background: #fff;
    border: 1px solid rgba(79,70,229,.1);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    transition: all var(--transition);
    position: relative;
    overflow: hidden;
}
.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 2px;
    background: linear-gradient(90deg, #4f46e5, #7c3aed, #f59e0b);
    opacity: 0;
    transition: opacity var(--transition);
}
.card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
    border-color: rgba(79,70,229,.2);
}
.card:hover::before { opacity: 1; }

/* Premium SVG icon wrapper */
.card__icon-wrap {
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 22px;
    box-shadow: 0 4px 16px rgba(79,70,229,.26);
    transition: transform var(--transition), box-shadow var(--transition);
    flex-shrink: 0;
}
.card__icon-wrap--gold {
    background: linear-gradient(135deg, #92400e, #d97706);
    box-shadow: 0 4px 16px rgba(146,64,14,.28);
}
.card:hover .card__icon-wrap {
    transform: scale(1.07);
    box-shadow: 0 8px 24px rgba(79,70,229,.38);
}
.card:hover .card__icon-wrap--gold {
    box-shadow: 0 8px 24px rgba(146,64,14,.38);
}

/* keep legacy emoji icon compat */
.card__icon { font-size: 2.5rem; margin-bottom: 16px; line-height: 1; }
.card__title { font-size: 1.05rem; margin-bottom: 10px; font-family: var(--font-heading); }
.card__text { color: var(--color-text-light); font-size: .92rem; }

/* ===========================
   SERVICES
=========================== */
.service-card { border-top: 3px solid var(--color-secondary); }
.service-card:hover { border-top-color: var(--color-accent); }

/* ===========================
   BLOG
=========================== */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
    transition: box-shadow var(--transition);
}
.post-card:hover { box-shadow: var(--shadow); }
.post-card__img { aspect-ratio: 16/9; overflow: hidden; background: var(--color-bg-soft); }
.post-card__img img { width: 100%; height: 100%; object-fit: cover; }
.post-card__body { padding: 20px; }
.post-card__cat {
    display: inline-block;
    font-size: .75rem;
    text-transform: uppercase;
    color: var(--color-secondary);
    font-weight: 600;
    letter-spacing: .5px;
    margin-bottom: 8px;
}
.post-card__title { font-size: 1rem; margin-bottom: 10px; }
.post-card__title a { color: var(--color-text); }
.post-card__title a:hover { color: var(--color-secondary); }
.post-card__excerpt { font-size: .88rem; color: var(--color-text-light); }
.post-card__meta { display: flex; gap: 12px; margin-top: 14px; font-size: .8rem; color: var(--color-text-light); }

/* ===========================
   FAQ — PREMIUM
=========================== */
.faq-item {
    border: 1px solid rgba(79,70,229,.1);
    border-radius: var(--radius-lg);
    margin-bottom: 10px;
    overflow: hidden;
    transition: border-color var(--transition), box-shadow var(--transition);
}
.faq-item[open] {
    border-color: rgba(79,70,229,.25);
    box-shadow: 0 4px 20px rgba(79,70,229,.08);
}
.faq-item summary {
    padding: 20px 26px;
    cursor: pointer;
    font-weight: 600;
    font-family: var(--font-heading);
    font-size: .97rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff;
    transition: background var(--transition);
    list-style: none;
    letter-spacing: -.01em;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary:hover { background: rgba(79,70,229,.03); }
.faq-item summary::after {
    content: '+';
    font-size: 1.3rem;
    font-weight: 300;
    color: var(--color-secondary);
    flex-shrink: 0;
    margin-left: 16px;
    transition: transform var(--transition);
}
.faq-item[open] summary::after { content: '−'; }
.faq-item__content { padding: 4px 26px 22px; color: var(--color-text-light); line-height: 1.7; }

/* ===========================
   VIDEO SECTION
=========================== */
.video-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.video-card {
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 12px;
    overflow: hidden;
}
.video-card__thumb {
    aspect-ratio: 16/9;
    background: var(--color-bg-dark);
    position: relative;
    cursor: pointer;
    overflow: hidden;
}
.video-card__thumb img { width: 100%; height: 100%; object-fit: cover; opacity: .8; transition: opacity var(--transition); }
.video-card__thumb:hover img { opacity: 1; }
.video-card__play {
    position: absolute;
    top: 50%; left: 50%;
    transform: translate(-50%,-50%);
    width: 56px; height: 56px;
    background: rgba(255,255,255,.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    color: var(--color-primary);
    transition: transform var(--transition);
}
.video-card__thumb:hover .video-card__play { transform: translate(-50%,-50%) scale(1.1); }
.video-card__body { padding: 16px; }
.video-card__title { font-size: .95rem; font-weight: 600; }
.video-card__desc { font-size: .83rem; color: var(--color-text-light); margin-top: 6px; }

/* ===========================
   PDF MATERIALS
=========================== */
.materials-list { display: grid; grid-template-columns: repeat(2, 1fr); gap: 20px; }
.material-item {
    display: flex;
    align-items: flex-start;
    gap: 16px;
    padding: 20px;
    background: var(--color-bg);
    border: 1px solid var(--color-border);
    border-radius: 10px;
    transition: box-shadow var(--transition);
}
.material-item:hover { box-shadow: var(--shadow); }
.material-item__icon {
    width: 48px; height: 48px;
    background: rgba(45,108,223,.1);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    flex-shrink: 0;
}
.material-item__title { font-weight: 600; font-size: .95rem; margin-bottom: 4px; }
.material-item__desc { font-size: .83rem; color: var(--color-text-light); }
.material-item__link {
    display: inline-block;
    margin-top: 8px;
    font-size: .82rem;
    color: var(--color-secondary);
    font-weight: 600;
}

/* ===========================
   CONTACT FORM
=========================== */
.contact-section { background: var(--color-bg-soft); }
.contact-grid { display: grid; grid-template-columns: 1fr 1.2fr; gap: 56px; align-items: start; }
.contact-info__item { display: flex; gap: 16px; margin-bottom: 24px; }
.contact-info__icon { font-size: 1.5rem; flex-shrink: 0; }
.contact-info__text strong { display: block; font-size: .9rem; margin-bottom: 3px; }
.contact-info__text a { color: var(--color-text-light); }

/* CF7 form styling */
.wpcf7-form input[type=text],
.wpcf7-form input[type=email],
.wpcf7-form input[type=tel],
.wpcf7-form textarea,
.wpcf7-form select {
    width: 100%;
    padding: 12px 16px;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    font-size: .95rem;
    transition: border-color var(--transition);
    margin-bottom: 4px;
}
.wpcf7-form input:focus,
.wpcf7-form textarea:focus { outline: none; border-color: var(--color-secondary); }
.wpcf7-form textarea { min-height: 120px; resize: vertical; }
.wpcf7-form .wpcf7-submit {
    background: var(--color-secondary);
    color: #fff;
    border: none;
    padding: 13px 32px;
    border-radius: 28px;
    font-weight: 600;
    cursor: pointer;
    transition: background var(--transition);
    width: 100%;
    font-size: 1rem;
}
.wpcf7-form .wpcf7-submit:hover { background: var(--color-primary); }
.wpcf7-form p { margin-bottom: 16px; }

/* ===========================
   CTA SECTION — PREMIUM
=========================== */
.cta-section {
    background: var(--color-primary);
    background-image:
        radial-gradient(ellipse 80% 60% at 30% 50%, rgba(79,70,229,.5) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 50%, rgba(124,58,237,.35) 0%, transparent 60%);
    color: #fff;
    padding: 96px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50%; left: 50%; transform: translateX(-50%);
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(245,158,11,.12) 0%, transparent 70%);
    pointer-events: none;
}
.cta-section h2 {
    color: #fff;
    margin-bottom: 16px;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
}
.cta-section p {
    opacity: .75;
    margin-bottom: 36px;
    font-size: 1.1rem;
    max-width: 560px;
    margin-left: auto;
    margin-right: auto;
}

/* ===========================
   FOOTER — PREMIUM
=========================== */
.site-footer {
    background: #030510;
    color: rgba(255,255,255,.55);
    padding: 64px 0 28px;
    border-top: 1px solid rgba(255,255,255,.05);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; margin-bottom: 48px; }
.footer__logo {
    font-family: var(--font-heading);
    font-size: 1.35rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
    letter-spacing: -.03em;
}
.footer__logo span {
    background: linear-gradient(135deg, #a78bfa, #f59e0b);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.footer__desc { font-size: .87rem; line-height: 1.75; max-width: 260px; }
.footer__title {
    font-size: .78rem;
    text-transform: uppercase;
    letter-spacing: .8px;
    color: rgba(255,255,255,.4);
    font-weight: 600;
    margin-bottom: 18px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a {
    color: rgba(255,255,255,.5);
    font-size: .88rem;
    transition: color var(--transition);
}
.footer__links a:hover { color: rgba(255,255,255,.95); }
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,.06);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    font-size: .82rem;
    flex-wrap: wrap;
    gap: 8px;
}

/* ===========================
   PAGE: SINGLE POST
=========================== */
.post-layout { display: grid; grid-template-columns: 1fr 340px; gap: 48px; align-items: start; }
.entry-content { font-size: 1.02rem; line-height: 1.8; }
.entry-content h2, .entry-content h3 { margin-top: 2rem; }
.entry-content p, .entry-content ul, .entry-content ol { margin-bottom: 1.25rem; }
.entry-content img { border-radius: var(--radius); }
.entry-header { margin-bottom: 32px; }
.entry-meta { color: var(--color-text-light); font-size: .88rem; margin-top: 8px; }

/* Sidebar */
.sidebar__widget { margin-bottom: 32px; }
.sidebar__title { font-size: 1rem; font-weight: 700; border-bottom: 2px solid var(--color-secondary); padding-bottom: 10px; margin-bottom: 16px; }

/* ===========================
   BREADCRUMBS
=========================== */
.breadcrumbs { font-size: .85rem; color: var(--color-text-light); padding: 14px 0; }
.breadcrumbs a { color: var(--color-text-light); }
.breadcrumbs a:hover { color: var(--color-secondary); }
.breadcrumbs span + span::before { content: ' / '; margin: 0 6px; }

/* ===========================
   PAGE HERO — PREMIUM
=========================== */
.page-hero {
    background: var(--color-primary);
    background-image:
        radial-gradient(ellipse 80% 70% at 50% 0%, rgba(79,70,229,.45) 0%, transparent 65%);
    color: #fff;
    padding: 64px 0;
    text-align: center;
    position: relative;
}
.page-hero h1 { color: #fff; margin-bottom: 10px; }
.page-hero p { opacity: .7; font-size: 1.05rem; }

/* ===========================
   UTILITIES
=========================== */
.text-center { text-align: center; }
.text-primary { color: var(--color-primary); }
.text-secondary { color: var(--color-secondary); }
.text-accent { color: var(--color-accent); }
.mt-auto { margin-top: auto; }
.mb-0 { margin-bottom: 0; }
.visually-hidden { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

/* ===========================
   RESPONSIVE
=========================== */
@media (max-width: 1024px) {
    .grid-4 { grid-template-columns: repeat(2, 1fr); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    :root { --header-h: 60px; }
    .section { padding: 48px 0; }
    .grid-2, .grid-3, .posts-grid, .video-grid, .contact-grid { grid-template-columns: 1fr; }
    .materials-list { grid-template-columns: 1fr; }
    .post-layout { grid-template-columns: 1fr; }
    .hero { padding: 64px 0; }
    .hero__stats { gap: 24px; }
    .main-nav { display: none; position: fixed; top: var(--header-h); left: 0; right: 0; background: #fff; padding: 20px; border-bottom: 1px solid var(--color-border); box-shadow: var(--shadow); }
    .main-nav.is-open { display: block; }
    .main-nav ul { flex-direction: column; gap: 4px; }
    .main-nav a { display: block; padding: 10px 16px; }
    .burger { display: flex; }
    .footer-grid { grid-template-columns: 1fr; gap: 28px; }
    .footer__bottom { flex-direction: column; text-align: center; }
}

@media (max-width: 480px) {
    .hero__actions { flex-direction: column; }
    .btn { width: 100%; justify-content: center; }
}

/* ============================================================
   EDUCATIONAL PLATFORM STYLES — PREMIUM v3.0
============================================================ */

/* Section soft background */
.section--soft {
    background: var(--color-bg-soft);
}

/* ---- LEARNING PATHS ---- */
.learning-paths {
    gap: 28px;
}
.learning-path {
    border-radius: var(--radius-lg);
    padding: 36px;
    border: 2px solid var(--color-border);
    transition: box-shadow .2s, border-color .2s;
    background: #fff;
    display: flex;
    flex-direction: column;
}
.learning-path:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-secondary);
}
.learning-path--code {
    border-top: 4px solid #2d6cdf;
}
.learning-path--ai {
    border-top: 4px solid #7c3aed;
}
.learning-path__icon {
    font-size: 2.8rem;
    margin-bottom: 16px;
    line-height: 1;
}
.learning-path__title {
    font-size: 1.5rem;
    margin-bottom: 12px;
    color: var(--color-text);
}
.learning-path__desc {
    color: var(--color-text-light);
    margin-bottom: 20px;
    line-height: 1.6;
    flex: 1;
}
.learning-path__list {
    list-style: none;
    padding: 0;
    margin: 0 0 24px;
}
.learning-path__list li {
    padding: 5px 0;
    font-size: .9rem;
    color: var(--color-text);
}
.learning-path__actions {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
    margin-top: auto;
}
.learning-path__actions a {
    text-decoration: none;
}

/* ---- LESSON CARDS GRID ---- */
.lessons-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.lesson-card {
    background: #fff;
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-border);
    overflow: hidden;
    display: flex;
    flex-direction: column;
    transition: box-shadow .2s, transform .2s;
}
.lesson-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.lesson-card__img {
    aspect-ratio: 16/9;
    overflow: hidden;
    background: var(--color-bg-soft);
}
.lesson-card__img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .3s;
}
.lesson-card:hover .lesson-card__img img {
    transform: scale(1.04);
}
.lesson-card__body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.lesson-card__meta-top {
    display: flex;
    gap: 8px;
    align-items: center;
    flex-wrap: wrap;
    margin-bottom: 10px;
}
.lesson-card__topic {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: .75rem;
    font-weight: 700;
    letter-spacing: .3px;
    text-decoration: none;
    text-transform: uppercase;
}
.topic--programmirovanie {
    background: rgba(45,108,223,.12);
    color: #1a5cb8;
}
.topic--ii-instrumenty {
    background: rgba(124,58,237,.12);
    color: #6d28d9;
}
.lesson-card__level {
    font-size: .8rem;
    font-weight: 600;
    color: var(--color-text-light);
}
.lesson-card__title {
    font-size: 1rem;
    font-weight: 700;
    margin-bottom: 8px;
    flex: 1;
    line-height: 1.4;
}
.lesson-card__title a {
    color: var(--color-text);
    text-decoration: none;
}
.lesson-card__title a:hover {
    color: var(--color-secondary);
}
.lesson-card__excerpt {
    font-size: .85rem;
    color: var(--color-text-light);
    margin-bottom: 14px;
    line-height: 1.5;
}
.lesson-card__footer {
    display: flex;
    gap: 12px;
    font-size: .78rem;
    color: var(--color-text-light);
    border-top: 1px solid var(--color-border);
    padding-top: 12px;
    margin-top: auto;
    flex-wrap: wrap;
}
.lesson-card__tools {
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

/* Empty state */
.empty-state {
    text-align: center;
    padding: 48px 24px;
    background: var(--color-bg-soft);
    border-radius: var(--radius-lg);
    color: var(--color-text-light);
}
.empty-state p { font-size: 1rem; }
.empty-state a { color: var(--color-secondary); font-weight: 600; }

/* ---- FILTER BAR (archive-logos_lesson.php) ---- */
.lessons-filter {
    margin-bottom: 36px;
    padding: 24px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
}
.filter-row {
    display: flex;
    gap: 32px;
    flex-wrap: wrap;
}
.filter-group { display: flex; flex-direction: column; gap: 10px; }
.filter-label { font-size: .8rem; font-weight: 700; text-transform: uppercase; letter-spacing: .5px; color: var(--color-text-light); }
.filter-pills { display: flex; gap: 8px; flex-wrap: wrap; }
.filter-pill {
    padding: 5px 14px;
    border-radius: 20px;
    font-size: .85rem;
    font-weight: 600;
    color: var(--color-text);
    background: var(--color-bg-soft);
    border: 1px solid var(--color-border);
    text-decoration: none;
    transition: all .15s;
}
.filter-pill:hover { border-color: var(--color-secondary); color: var(--color-secondary); }
.filter-pill--active { background: var(--color-secondary); color: #fff; border-color: var(--color-secondary); }

/* ---- SINGLE LESSON LAYOUT ---- */
.lesson-hero { background: linear-gradient(135deg, var(--color-primary) 0%, #1d4fa0 100%); }
.lesson-meta-badges { display: flex; gap: 10px; flex-wrap: wrap; margin-bottom: 16px; }
.lesson-meta-pill {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: .8rem;
    font-weight: 600;
    background: rgba(255,255,255,.15);
    color: rgba(255,255,255,.9);
}
.lesson-tools-line {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    align-items: center;
    margin-top: 12px;
    font-size: .85rem;
    color: rgba(255,255,255,.8);
}
.tool-tag {
    background: rgba(255,255,255,.2);
    border-radius: 4px;
    padding: 2px 8px;
    font-size: .8rem;
    color: #fff;
}
.lesson-layout {
    display: grid;
    grid-template-columns: 1fr 320px;
    gap: 40px;
    align-items: start;
}
.lesson-content { min-width: 0; }
.lesson-cover { margin-bottom: 28px; border-radius: var(--radius); overflow: hidden; }
.lesson-cover__img { width: 100%; height: auto; display: block; }
.lesson-nav {
    display: flex;
    justify-content: space-between;
    gap: 16px;
    margin-top: 40px;
    padding-top: 24px;
    border-top: 1px solid var(--color-border);
}
.lesson-nav__link {
    font-weight: 700;
    font-size: .9rem;
    color: var(--color-secondary);
    text-decoration: none;
    max-width: 45%;
    line-height: 1.4;
}
.lesson-nav__link--next { text-align: right; }
.lesson-nav__link:hover { text-decoration: underline; }
.lesson-sidebar { position: sticky; top: calc(var(--header-h) + 20px); }
.lesson-info-card {
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 20px;
    margin-bottom: 20px;
}
.lesson-info-card h3 { font-size: 1rem; margin-bottom: 12px; }
.lesson-info-card ul { list-style: none; padding: 0; margin: 0; }
.lesson-info-card li { font-size: .85rem; padding: 6px 0; border-bottom: 1px solid var(--color-border); }
.lesson-info-card li:last-child { border-bottom: none; }

/* ---- ABOUT MISSION ---- */
.about-mission {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 56px;
    align-items: center;
}
.about-mission__text p { color: var(--color-text-light); line-height: 1.7; margin-bottom: 14px; }
.tools-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 14px;
}
.tool-badge {
    display: flex;
    align-items: center;
    gap: 12px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius);
    padding: 14px 16px;
    transition: box-shadow .2s;
}
.tool-badge:hover { box-shadow: var(--shadow); }
.tool-badge > span { font-size: 1.8rem; line-height: 1; }
.tool-badge strong { font-size: .9rem; font-weight: 700; display: block; color: var(--color-text); }
.tool-badge small { font-size: .75rem; color: var(--color-text-light); }

/* ---- btn-dark variant ---- */
.btn-dark {
    background: var(--color-primary);
    color: #fff;
    border: 2px solid var(--color-primary);
}
.btn-dark:hover { background: #122a52; border-color: #122a52; color: #fff; }

/* ---- Responsive ---- */
@media (max-width: 1024px) {
    .lessons-grid { grid-template-columns: repeat(2, 1fr); }
    .lesson-layout { grid-template-columns: 1fr; }
    .lesson-sidebar { position: static; }
    .about-mission { grid-template-columns: 1fr; gap: 32px; }
}
@media (max-width: 640px) {
    .lessons-grid { grid-template-columns: 1fr; }
    .learning-path { padding: 24px; }
    .filter-row { flex-direction: column; gap: 16px; }
    .tools-showcase { grid-template-columns: 1fr; }
}

/* ============================================================
   AI LAUNCH STUDIO — HOMEPAGE REDESIGN v3
   «Знания и информация = деньги»
============================================================ */

/* Hero — trust note under buttons */
.hero__trust {
    margin-top: 24px;
    font-size: .88rem;
    opacity: .6;
    max-width: 520px;
    line-height: 1.6;
    border-left: 2px solid rgba(245,158,11,.5);
    padding-left: 14px;
    color: rgba(255,255,255,.85);
}

/* ---- BLOCK 2: WHAT WE DO ---- */
.what-we-do__item {
    display: flex;
    gap: 22px;
    align-items: flex-start;
    padding: 32px;
    background: #fff;
    border: 1px solid var(--color-border);
    border-radius: var(--radius-lg);
    transition: box-shadow var(--transition), transform var(--transition);
}
.what-we-do__item:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.what-we-do__icon {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    background: linear-gradient(135deg, #4f46e5, #7c3aed);
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(79,70,229,.28);
    transition: transform var(--transition), box-shadow var(--transition);
}
.what-we-do__item:hover .what-we-do__icon {
    transform: scale(1.08);
    box-shadow: 0 8px 24px rgba(79,70,229,.42);
}
.what-we-do__item h3 {
    margin-bottom: 8px;
    font-size: 1.05rem;
}
.what-we-do__item p {
    color: var(--color-text-light);
    font-size: .9rem;
    margin: 0;
    line-height: 1.65;
}

/* ---- BLOCK 4: WHY SECTION ---- */
.why-section {
    background: var(--color-primary);
    background-image:
        radial-gradient(ellipse 70% 60% at 20% 50%, rgba(79,70,229,.35) 0%, transparent 60%),
        radial-gradient(ellipse 50% 40% at 80% 50%, rgba(124,58,237,.25) 0%, transparent 60%);
    color: #fff;
}
.why-inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.why-quote__mark {
    font-size: 7rem;
    line-height: .75;
    font-family: var(--font-heading);
    color: rgba(245,158,11,.2);
    margin-bottom: 16px;
    font-weight: 800;
    display: block;
}
.why-quote blockquote {
    font-size: clamp(1.1rem, 2vw, 1.45rem);
    line-height: 1.65;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: -.02em;
    color: #fff;
    border: none;
    padding: 0;
    margin: 0;
}
.why-points {
    display: flex;
    flex-direction: column;
    gap: 28px;
}
.why-point {
    display: flex;
    gap: 20px;
    align-items: flex-start;
}
.why-point__num {
    font-size: .75rem;
    font-weight: 800;
    letter-spacing: .5px;
    color: var(--color-accent);
    flex-shrink: 0;
    width: 32px;
    padding-top: 3px;
}
.why-point strong {
    display: block;
    font-size: .97rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 6px;
}
.why-point p {
    font-size: .88rem;
    opacity: .65;
    margin: 0;
    line-height: 1.6;
}

/* ---- BLOCK 6: CTA BOTTOM ---- */
.cta-bottom-section {
    background: var(--color-primary);
    background-image:
        radial-gradient(ellipse 80% 60% at 30% 50%, rgba(79,70,229,.5) 0%, transparent 60%),
        radial-gradient(ellipse 60% 50% at 80% 50%, rgba(124,58,237,.35) 0%, transparent 60%);
    color: #fff;
    text-align: center;
}
.cta-bottom-inner {
    max-width: 640px;
    margin: 0 auto;
}
.cta-bottom-inner h2 {
    color: #fff;
    font-size: clamp(1.8rem, 4vw, 2.8rem);
    margin-bottom: 20px;
}
.cta-bottom-inner > p {
    opacity: .75;
    font-size: 1.1rem;
    margin-bottom: 36px;
    line-height: 1.7;
}
.cta-bottom__actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
.cta-bottom-section .btn-outline {
    border-color: rgba(255,255,255,.4);
    color: rgba(255,255,255,.9);
    background: rgba(255,255,255,.05);
}
.cta-bottom-section .btn-outline:hover {
    border-color: rgba(255,255,255,.7);
    color: #fff;
    background: rgba(255,255,255,.12);
}

/* ---- Responsive new blocks ---- */
@media (max-width: 768px) {
    .why-inner {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .why-quote__mark { font-size: 4rem; }
    .cta-bottom__actions .btn { min-width: 200px; }
    .what-we-do__item { flex-direction: column; gap: 14px; }
}
@media (max-width: 480px) {
    .cta-bottom__actions { flex-direction: column; align-items: center; }
    .cta-bottom__actions .btn { width: 100%; max-width: 320px; }
}