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

:root {
    --primary: #4F46E5;
    --primary-light: #6366F1;
    --primary-dark: #3730A3;
    --accent: #06B6D4;
    --bg: #FFFFFF;
    --bg-alt: #F8FAFC;
    --bg-dark: #0F172A;
    --bg-dark-alt: #1E293B;
    --text: #1E293B;
    --text-light: #64748B;
    --text-white: #F1F5F9;
    --border: #E2E8F0;
    --radius: 12px;
    --shadow: 0 1px 3px rgba(0,0,0,.06), 0 4px 12px rgba(0,0,0,.04);
    --shadow-lg: 0 4px 24px rgba(0,0,0,.08);
    --transition: .3s ease;
}

html { scroll-behavior: smooth; font-size: 16px; }

body {
    font-family: 'Inter', -apple-system, sans-serif;
    color: var(--text);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

a { text-decoration: none; color: inherit; }
ul { list-style: none; }
img { max-width: 100%; }

/* ===== Buttons ===== */
.btn {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 14px 32px; border-radius: 10px; font-weight: 600;
    font-size: .95rem; cursor: pointer; border: 2px solid transparent;
    transition: var(--transition); font-family: inherit;
}
.btn--primary {
    background: var(--primary); color: #fff;
    box-shadow: 0 4px 14px rgba(79,70,229,.35);
}
.btn--primary:hover {
    background: var(--primary-dark);
    box-shadow: 0 6px 20px rgba(79,70,229,.45);
    transform: translateY(-2px);
}
.btn--outline {
    background: transparent; color: var(--primary);
    border-color: var(--primary);
}
.btn--outline:hover { background: var(--primary); color: #fff; }
.btn--small { padding: 10px 22px; font-size: .875rem; border-radius: 8px; }
.btn--large { padding: 18px 42px; font-size: 1.05rem; border-radius: 12px; }
.btn--full { width: 100%; }

/* ===== Header ===== */
.header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(255,255,255,.92); backdrop-filter: blur(12px);
    border-bottom: 1px solid var(--border);
}
.header__inner {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px;
}
.logo {
    font-size: 1.35rem; font-weight: 800; color: var(--text);
    letter-spacing: -.5px;
}
.logo span { color: var(--primary); }

.nav { display: flex; gap: 32px; }
.nav__link {
    font-size: .9rem; font-weight: 500; color: var(--text-light);
    transition: var(--transition);
}
.nav__link:hover { color: var(--primary); }
.nav__link.active { color: var(--primary); font-weight: 600; }

.nav__toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; cursor: pointer; padding: 4px; }
.nav__toggle span { display: block; width: 24px; height: 2px; background: var(--text); border-radius: 2px; transition: var(--transition); }

.nav__contacts { display: none; }

/* ===== Hero ===== */
.hero {
    padding: 140px 0 80px;
    background: linear-gradient(135deg, #F8FAFC 0%, #EEF2FF 50%, #F0FDF4 100%);
}
.hero__inner {
    display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center;
}
.hero__title {
    font-size: 3rem; font-weight: 800; line-height: 1.15;
    letter-spacing: -1px; margin-bottom: 20px;
}
.text-gradient {
    background: linear-gradient(135deg, var(--primary), var(--accent));
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero__subtitle { font-size: 1.15rem; color: var(--text-light); margin-bottom: 32px; max-width: 520px; }
.hero__actions { display: flex; gap: 16px; margin-bottom: 48px; flex-wrap: wrap; }
.hero__stats { display: flex; gap: 40px; flex-wrap: wrap; }
.stat { display: flex; flex-direction: column; }
.stat__number { font-size: 1.6rem; font-weight: 700; color: var(--primary); }
.stat__label { font-size: .85rem; color: var(--text-light); }

/* Hero card mockup */
@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-8px); }
}
@keyframes barGrow {
    0%, 100% { transform: scaleY(1); }
    50% { transform: scaleY(1.15); }
}
@keyframes barPulse {
    0%, 100% { opacity: .7; }
    50% { opacity: 1; }
}
@keyframes sidebarGlow {
    0%, 100% { box-shadow: 0 0 6px rgba(79,70,229,.3); }
    50% { box-shadow: 0 0 16px rgba(79,70,229,.7); }
}
@keyframes shimmer {
    0% { background-position: 200% center; }
    100% { background-position: -200% center; }
}
@keyframes statFill {
    0%, 100% { width: 60%; opacity: .5; }
    50% { width: 80%; opacity: 1; }
}
@keyframes labelFade {
    0%, 100% { opacity: .3; }
    50% { opacity: .7; }
}

.hero-card {
    background: var(--bg-dark); border-radius: 16px; overflow: hidden;
    box-shadow: 0 20px 60px rgba(15,23,42,.25);
}
.hero-card__header {
    display: flex; align-items: center; gap: 8px; padding: 14px 18px;
    background: var(--bg-dark-alt); font-size: .8rem; color: var(--text-light);
}
.hero-card__dots { display: flex; gap: 6px; }
.hero-card__dots span { width: 10px; height: 10px; border-radius: 50%; }
.hero-card__dots span:nth-child(1) { background: #EF4444; }
.hero-card__dots span:nth-child(2) { background: #F59E0B; }
.hero-card__dots span:nth-child(3) { background: #22C55E; }
.hero-card__body { padding: 20px; }
.dashboard-mock { display: flex; gap: 16px; min-height: 260px; }
.mock-sidebar {
    display: flex; flex-direction: column; gap: 8px; padding: 12px 8px;
    background: var(--bg-dark-alt); border-radius: 10px; width: 52px;
}
.mock-item { height: 8px; border-radius: 4px; background: #334155; }
.mock-item.active {
    background: var(--primary);
    animation: sidebarGlow 2s ease-in-out infinite;
}
.mock-main { flex: 1; display: flex; flex-direction: column; gap: 12px; }
.mock-chart {
    display: flex; align-items: flex-end; gap: 6px; height: 100px;
    background: var(--bg-dark-alt); border-radius: 10px; padding: 12px;
}
.mock-bar {
    flex: 1; border-radius: 4px 4px 0 0;
    background: linear-gradient(to top, var(--primary), var(--primary-light));
    background-size: 200% 100%;
    height: var(--h);
    animation: barGrow 3s ease-in-out infinite, barPulse 3s ease-in-out infinite, shimmer 4s linear infinite;
}
.mock-bar:nth-child(1) { animation-delay: 0s, 0s; }
.mock-bar:nth-child(2) { animation-delay: .3s, .3s; }
.mock-bar:nth-child(3) { animation-delay: .6s, .6s; }
.mock-bar:nth-child(4) { animation-delay: .9s, .9s; }
.mock-bar:nth-child(5) { animation-delay: 1.2s, 1.2s; }
.mock-bar:nth-child(6) { animation-delay: 1.5s, 1.5s; }
.mock-stats { display: flex; gap: 12px; }
.mock-stat-card {
    flex: 1; background: var(--bg-dark-alt); border-radius: 10px; padding: 14px;
}
.mock-stat-value {
    height: 12px; width: 60%; background: #334155; border-radius: 4px; margin-bottom: 8px;
    animation: statFill 3s ease-in-out infinite;
}
.mock-stat-label {
    height: 8px; width: 80%; background: #1E293B; border-radius: 4px;
    animation: labelFade 3s ease-in-out infinite;
}

/* ===== Section ===== */
.section { padding: 100px 0; }
.section--dark { background: var(--bg-dark); color: var(--text-white); }
.section__header { text-align: center; margin-bottom: 60px; }
.section__tag {
    display: inline-block; padding: 6px 16px; border-radius: 20px;
    background: rgba(79,70,229,.1); color: var(--primary);
    font-size: .8rem; font-weight: 600; text-transform: uppercase;
    letter-spacing: 1px; margin-bottom: 16px;
}
.section--dark .section__tag { background: rgba(99,102,241,.15); }
.section__title { font-size: 2.4rem; font-weight: 800; letter-spacing: -.5px; margin-bottom: 12px; }
.section__subtitle { font-size: 1.05rem; color: var(--text-light); max-width: 560px; margin: 0 auto; }

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

/* ===== Cards ===== */
.card {
    background: var(--bg); border: 1px solid var(--border); border-radius: var(--radius);
    padding: 36px; transition: var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: var(--primary-light); }
.card__icon { font-size: 2.4rem; margin-bottom: 20px; }
.card__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.card__text { font-size: .95rem; color: var(--text-light); line-height: 1.6; }

/* ===== Advantages ===== */
.advantages-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.advantage {
    padding: 36px; border-radius: var(--radius);
    background: var(--bg-dark-alt); border: 1px solid rgba(255,255,255,.06);
}
.advantage__number { font-size: 3rem; font-weight: 800; color: var(--primary); opacity: .3; margin-bottom: 12px; }
.advantage__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
.advantage__text { color: #94A3B8; line-height: 1.7; }

/* ===== Process ===== */
.process-timeline { max-width: 700px; margin: 0 auto; }
.process-step { display: flex; gap: 24px; margin-bottom: 40px; }
.process-step__marker {
    flex-shrink: 0; width: 56px; height: 56px; border-radius: 50%;
    background: var(--primary); display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 14px rgba(79,70,229,.3);
}
.process-step__num { font-size: 1.2rem; font-weight: 700; color: #fff; }
.process-step__content { padding-top: 8px; }
.process-step__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.process-step__text { color: var(--text-light); }

/* ===== Cases ===== */
.cases-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.case-card {
    padding: 36px; border-radius: var(--radius);
    background: var(--bg-dark-alt); border: 1px solid rgba(255,255,255,.06);
    transition: var(--transition);
}
.case-card:hover { border-color: var(--primary); transform: translateY(-4px); }
.case-card__tag {
    display: inline-block; padding: 4px 12px; border-radius: 6px;
    background: rgba(6,182,212,.15); color: var(--accent);
    font-size: .75rem; font-weight: 600; text-transform: uppercase;
    margin-bottom: 16px;
}
.case-card__title { font-size: 1.15rem; font-weight: 700; margin-bottom: 12px; }
.case-card__text { color: #94A3B8; font-size: .9rem; margin-bottom: 20px; line-height: 1.6; }
.case-card__results { display: flex; flex-direction: column; gap: 6px; }
.case-result { font-size: .85rem; font-weight: 600; color: var(--primary-light); }

/* ===== CTA ===== */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
}
.cta-section__inner { text-align: center; }
.cta-section__title { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-section__text { color: rgba(255,255,255,.8); font-size: 1.05rem; margin-bottom: 32px; }

/* ===== Solutions ===== */
.solutions-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 24px; }

.solution-card {
    padding: 36px; border-radius: var(--radius);
    background: var(--bg); border: 1px solid var(--border);
    transition: var(--transition); display: flex; flex-direction: column;
}
.solution-card:hover {
    border-color: var(--primary); box-shadow: var(--shadow-lg); transform: translateY(-4px);
}
.solution-card__icon { font-size: 2.8rem; margin-bottom: 16px; }
.solution-card__tag {
    display: inline-block; padding: 4px 12px; border-radius: 6px;
    background: rgba(79,70,229,.1); color: var(--primary);
    font-size: .75rem; font-weight: 600; text-transform: uppercase;
    margin-bottom: 12px; width: fit-content;
}
.solution-card__title { font-size: 1.2rem; font-weight: 700; margin-bottom: 8px; }
.solution-card__text { color: var(--text-light); font-size: .95rem; margin-bottom: 20px; }
.solution-card__features { list-style: none; margin-bottom: 24px; flex-grow: 1; }
.solution-card__features li {
    padding: 6px 0; font-size: .9rem; color: var(--text);
    padding-left: 24px; position: relative;
}
.solution-card__features li::before {
    content: '✓'; position: absolute; left: 0; color: var(--primary); font-weight: 700;
}
.solution-card__price { margin-bottom: 12px; display: flex; align-items: baseline; gap: 4px; }
.solution-card__price-label { font-size: .85rem; color: var(--text-light); }
.solution-card__price-value { font-size: 1.4rem; font-weight: 800; color: var(--primary); }
.solution-card__promo { font-size: .85rem; color: #16a34a; font-weight: 600; margin: 0; }
.solution-card__promo + .solution-card__promo { margin-top: 4px; }
.solution-card__promo + .btn { margin-top: 24px; }

/* Кафе — оранжевая схема карточки */
.solution-card--cafe:hover { border-color: #F97316; }
.solution-card--cafe .solution-card__tag { background: rgba(249,115,22,.1); color: #EA580C; }
.solution-card--cafe .solution-card__features li::before { color: #F97316; }
.solution-card--cafe .solution-card__price-value { color: #F97316; }
.solution-card--cafe .btn--outline { color: #EA580C; border-color: #EA580C; }
.solution-card--cafe .btn--outline:hover { background: #EA580C; color: #fff; }

/* Медицина — зелёная схема карточки */
.solution-card--doctor:hover { border-color: #16a34a; }
.solution-card--doctor .solution-card__tag { background: rgba(22,163,74,.1); color: #15803D; }
.solution-card--doctor .solution-card__features li::before { color: #16a34a; }
.solution-card--doctor .solution-card__price-value { color: #16a34a; }
.solution-card--doctor .btn--outline { color: #15803D; border-color: #15803D; }
.solution-card--doctor .btn--outline:hover { background: #15803D; color: #fff; }

/* Магазин — тёмно-красная схема карточки */
.solution-card--shop:hover { border-color: #DC2626; }
.solution-card--shop .solution-card__tag { background: rgba(220,38,38,.1); color: #B91C1C; }
.solution-card--shop .solution-card__features li::before { color: #DC2626; }
.solution-card--shop .solution-card__price-value { color: #DC2626; }
.solution-card--shop .btn--outline { color: #B91C1C; border-color: #B91C1C; }
.solution-card--shop .btn--outline:hover { background: #B91C1C; color: #fff; }

/* ===== Contact ===== */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; }

/* Horizontal contacts */
.contact-horizontal {
    display: flex; gap: 24px; flex-wrap: wrap;
}
.contact-h-item {
    flex: 1; min-width: 200px; padding: 24px; border-radius: var(--radius);
    background: var(--bg-alt); border: 1px solid var(--border);
    display: flex; align-items: center; gap: 16px;
    transition: var(--transition); text-decoration: none; color: var(--text);
}
.contact-h-item:hover {
    border-color: var(--primary); box-shadow: var(--shadow); transform: translateY(-2px);
}
.contact-h-item__icon { font-size: 2rem; flex-shrink: 0; }
.contact-h-item__label { display: block; font-size: .8rem; color: var(--text-light); margin-bottom: 2px; }
.contact-h-item__value { display: block; font-size: .95rem; font-weight: 600; color: var(--text); }
.contact-h-item:not(a) { cursor: default; }
.contact-h-item:not(a):hover { border-color: var(--border); box-shadow: none; transform: none; }

.contact-form { display: flex; flex-direction: column; gap: 20px; }
.form-group { display: flex; flex-direction: column; gap: 6px; }
.form-label { font-size: .875rem; font-weight: 600; color: var(--text); }
.form-input {
    padding: 14px 16px; border: 1px solid var(--border); border-radius: 10px;
    font-size: .95rem; font-family: inherit; background: var(--bg-alt);
    transition: var(--transition); outline: none;
}
.form-input:focus { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(79,70,229,.12); }
.form-textarea { resize: vertical; min-height: 120px; }

.form-success {
    text-align: center; padding: 48px 24px;
}
.form-success__icon {
    width: 64px; height: 64px; border-radius: 50%; background: #22C55E;
    color: #fff; font-size: 2rem; display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
}
.form-success__title { font-size: 1.3rem; font-weight: 700; margin-bottom: 8px; }
.form-success__text { color: var(--text-light); }

.contact-info { display: flex; flex-direction: column; gap: 32px; justify-content: center; }
.contact-item { display: flex; gap: 16px; align-items: flex-start; }
.contact-item__icon { font-size: 1.8rem; flex-shrink: 0; }
.contact-item h4 { font-size: .95rem; font-weight: 600; margin-bottom: 4px; }
.contact-item a { color: var(--primary); font-size: .95rem; }
.contact-item span { color: var(--text-light); font-size: .95rem; }

/* ===== Footer ===== */
.footer { padding: 32px 0; border-top: 1px solid var(--border); }
.footer__inner { display: flex; justify-content: space-between; align-items: center; }
.footer__copy { font-size: .85rem; color: var(--text-light); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .hero__inner { grid-template-columns: 1fr; gap: 40px; }
    .hero__visual { display: block; margin-top: 24px; }
    .hero__title { font-size: 2.4rem; }
    .grid { grid-template-columns: repeat(2, 1fr); }
    .advantages-grid { grid-template-columns: repeat(2, 1fr); }
    .cases-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 768px) {
    .nav { display: none; }
    .nav__toggle { display: flex; }
    .header .btn { display: none; }
    .nav.open {
        display: flex; flex-direction: column; position: absolute;
        top: 72px; left: 0; right: 0; background: var(--bg);
        padding: 24px; gap: 20px; border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow);
    }
    .nav.open .nav__contacts {
        display: flex; justify-content: center; gap: 14px; padding: 20px 0 12px;
        border-top: 1px solid var(--border);
    }
    .nav__contact {
        display: flex; align-items: center; justify-content: center;
        width: 44px; height: 44px; border: 1px solid var(--border);
        border-radius: 50%; color: var(--text); transition: var(--transition);
    }
    .nav__contact:hover { border-color: currentColor; }
    .nav__contact--phone { color: #4F46E5; }
    .nav__contact--max { color: #7B2FF7; }
    .nav__contact--wa { color: #25D366; }
    .nav__contact--tg { color: #229ED9; }
    .hero { padding: 120px 0 60px; }
    .hero__title { font-size: 2rem; }
    .hero__actions { flex-direction: column; }
    .hero__stats { gap: 24px; }
    .section { padding: 60px 0; }
    .section__title { font-size: 1.8rem; }
    .grid { grid-template-columns: 1fr; }
    .advantages-grid { grid-template-columns: 1fr; }
    .cases-grid { grid-template-columns: 1fr; }
    .contact-grid { grid-template-columns: 1fr; }
    .contact-horizontal { flex-direction: column; }
    .contact-h-item { min-width: 100%; }
    .solutions-grid { grid-template-columns: 1fr; }
    .footer__inner { flex-direction: column; gap: 12px; text-align: center; }
}