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

:root {
    --primary: #6C3CE1;
    --primary-dark: #5228C0;
    --primary-light: #8B5CF6;
    --accent: #00D4AA;
    --accent-dark: #00B894;
    --bg: #0A0A0F;
    --bg-card: #12121A;
    --bg-card-hover: #1A1A25;
    --bg-section: #0E0E16;
    --text: #E8E8F0;
    --text-muted: #9494A8;
    --text-dim: #6B6B80;
    --border: #1E1E2E;
    --border-light: #2A2A3E;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-xs: 6px;
    --shadow: 0 4px 24px rgba(0,0,0,0.3);
    --shadow-lg: 0 8px 48px rgba(0,0,0,0.4);
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

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

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

img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; }
button { cursor: pointer; border: none; background: none; font: inherit; color: inherit; }

/* ========== Gradient Text ========== */
.gradient-text {
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    font-weight: 600;
    border-radius: var(--radius-sm);
    transition: var(--transition);
    white-space: nowrap;
}

.btn--primary {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff;
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(108, 60, 225, 0.6);
}

.btn--outline {
    border: 2px solid var(--border-light);
    color: var(--text);
}

.btn--outline:hover {
    border-color: var(--primary-light);
    color: var(--primary-light);
}

.btn--white {
    background: #fff;
    color: var(--primary-dark);
    font-weight: 700;
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(255,255,255,0.2);
}

.btn--lg {
    padding: 16px 32px;
    font-size: 1rem;
    border-radius: var(--radius);
}

.btn--full { width: 100%; }

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: var(--transition);
}

.header--scrolled {
    background: rgba(10, 10, 15, 0.9);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    padding: 10px 0;
}

.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.25rem;
}

.logo__icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--accent));
    border-radius: var(--radius-xs);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 900;
    font-size: 1.1rem;
    color: #fff;
}

.logo__accent { color: var(--accent); }

.nav {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav__link {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav__link:hover { color: var(--text); }

.nav__link--cta {
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    color: #fff !important;
    padding: 10px 20px;
    border-radius: var(--radius-sm);
}

.nav__link--cta:hover {
    box-shadow: 0 4px 20px rgba(108, 60, 225, 0.4);
}

.burger {
    display: none;
    flex-direction: column;
    gap: 5px;
    width: 28px;
    padding: 4px 0;
}

.burger span {
    display: block;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

/* ========== Hero ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
    overflow: hidden;
}

.hero__bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 20% 50%, rgba(108, 60, 225, 0.15) 0%, transparent 60%),
        radial-gradient(ellipse at 80% 20%, rgba(0, 212, 170, 0.1) 0%, transparent 50%),
        radial-gradient(ellipse at 50% 80%, rgba(108, 60, 225, 0.08) 0%, transparent 50%);
    pointer-events: none;
}

.hero__inner { position: relative; z-index: 1; }

.hero__content { max-width: 800px; }

.hero__badge {
    display: inline-block;
    padding: 8px 20px;
    background: rgba(108, 60, 225, 0.15);
    border: 1px solid rgba(108, 60, 225, 0.3);
    border-radius: 100px;
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--primary-light);
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease;
}

.hero__title {
    font-size: clamp(2.5rem, 6vw, 4rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 24px;
    animation: fadeInUp 0.8s ease 0.1s both;
}

.hero__subtitle {
    font-size: 1.15rem;
    color: var(--text-muted);
    max-width: 600px;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.hero__actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
    margin-bottom: 60px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.hero__stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    padding-top: 40px;
    border-top: 1px solid var(--border);
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero__stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
}

.hero__stat-plus,
.hero__stat-percent {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--accent);
}

.hero__stat-label {
    display: block;
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 4px;
}

/* ========== Sections Common ========== */
.section-header {
    text-align: center;
    max-width: 600px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    padding: 6px 16px;
    background: rgba(108, 60, 225, 0.12);
    border: 1px solid rgba(108, 60, 225, 0.25);
    border-radius: 100px;
    font-size: 0.8rem;
    font-weight: 600;
    color: var(--primary-light);
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-bottom: 16px;
}

.section-title {
    font-size: clamp(1.75rem, 4vw, 2.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 16px;
}

.section-title--left { text-align: left; }

.section-desc {
    font-size: 1.05rem;
    color: var(--text-muted);
}

/* ========== Services ========== */
.services {
    padding: 100px 0;
    background: var(--bg-section);
}

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

.service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 28px;
    transition: var(--transition);
}

.service-card:hover {
    background: var(--bg-card-hover);
    border-color: var(--border-light);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.service-card__icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, rgba(108, 60, 225, 0.15), rgba(0, 212, 170, 0.1));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.service-card__icon svg {
    width: 24px;
    height: 24px;
    color: var(--primary-light);
}

.service-card__title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.service-card__text {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== Cases ========== */
.cases {
    padding: 100px 0;
}

.cases__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.case-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px;
    transition: var(--transition);
}

.case-card:hover {
    border-color: var(--border-light);
    box-shadow: var(--shadow);
}

.case-card--featured {
    border-color: rgba(108, 60, 225, 0.3);
    background: linear-gradient(135deg, rgba(108, 60, 225, 0.05), rgba(0, 212, 170, 0.03));
}

.case-card__header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 16px;
}

.case-card__number {
    font-size: 0.8rem;
    font-weight: 700;
    color: var(--text-dim);
}

.case-card__badge {
    padding: 4px 12px;
    background: rgba(255,255,255,0.06);
    border-radius: 100px;
    font-size: 0.75rem;
    font-weight: 600;
    color: var(--text-muted);
}

.case-card__badge--accent {
    background: rgba(0, 212, 170, 0.12);
    color: var(--accent);
}

.case-card__title {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.case-card__desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 24px;
}

.case-card__results {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
    margin-bottom: 20px;
}

.case-card__result-value {
    display: block;
    font-size: 1.35rem;
    font-weight: 800;
    color: var(--accent);
}

.case-card__result-label {
    font-size: 0.78rem;
    color: var(--text-dim);
}

.case-card__highlight {
    padding: 12px 16px;
    background: rgba(0, 212, 170, 0.06);
    border-left: 3px solid var(--accent);
    border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
    font-size: 0.85rem;
    color: var(--text-muted);
    font-style: italic;
}

/* ========== Process ========== */
.process {
    padding: 100px 0;
    background: var(--bg-section);
}

.process__timeline {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.process__step {
    display: flex;
    gap: 20px;
    padding: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    transition: var(--transition);
}

.process__step:hover {
    border-color: var(--primary);
    transform: translateY(-2px);
}

.process__step-number {
    flex-shrink: 0;
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 1rem;
    color: #fff;
}

.process__step-content h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.process__step-content p {
    font-size: 0.88rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ========== About ========== */
.about {
    padding: 100px 0;
}

.about__inner {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 60px;
    align-items: start;
}

.about__text {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 16px;
    line-height: 1.7;
}

.about__features {
    display: flex;
    flex-direction: column;
    gap: 14px;
    margin-top: 28px;
}

.about__feature {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 0.95rem;
    font-weight: 500;
}

.about__feature svg {
    width: 20px;
    height: 20px;
    color: var(--accent);
    flex-shrink: 0;
}

.about__cards {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.about__card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px;
    text-align: center;
    transition: var(--transition);
}

.about__card:hover {
    border-color: var(--primary);
    transform: translateY(-4px);
    box-shadow: var(--shadow);
}

.about__card-value {
    display: block;
    font-size: 2rem;
    font-weight: 800;
    background: linear-gradient(135deg, var(--primary-light), var(--accent));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 4px;
}

.about__card-label {
    font-size: 0.85rem;
    color: var(--text-muted);
}

/* ========== CTA Banner ========== */
.cta-banner {
    padding: 80px 0;
}

.cta-banner__inner {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary), var(--primary-light));
    border-radius: var(--radius);
    padding: 64px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner__inner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(0, 212, 170, 0.2), transparent 70%);
    pointer-events: none;
}

.cta-banner__title {
    font-size: clamp(1.5rem, 3.5vw, 2.2rem);
    font-weight: 800;
    color: #fff;
    margin-bottom: 32px;
    position: relative;
}

.cta-banner__problems {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
    margin-bottom: 36px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    position: relative;
}

.cta-banner__problem {
    padding: 12px 16px;
    background: rgba(255,255,255,0.1);
    border-radius: var(--radius-xs);
    font-size: 0.88rem;
    color: rgba(255,255,255,0.9);
    text-align: left;
}

.cta-banner .btn { position: relative; }

/* ========== Contact ========== */
.contact {
    padding: 100px 0;
    background: var(--bg-section);
}

.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: start;
}

.contact__text {
    font-size: 1.05rem;
    color: var(--text-muted);
    margin-bottom: 32px;
    line-height: 1.7;
}

.contact__channels {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.contact__channel {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 14px 24px;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.9rem;
    transition: var(--transition);
}

.contact__channel:hover {
    border-color: var(--primary);
    background: var(--bg-card-hover);
    transform: translateY(-2px);
}

.contact__channel svg {
    width: 20px;
    height: 20px;
}

.contact__form {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
}

.contact__form-title {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 8px;
}

.contact__form-desc {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin-bottom: 28px;
}

.form-group { margin-bottom: 16px; }

.form-input {
    width: 100%;
    padding: 14px 18px;
    background: var(--bg);
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    color: var(--text);
    font-size: 0.95rem;
    font-family: inherit;
    transition: var(--transition);
    outline: none;
}

.form-input:focus {
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(108, 60, 225, 0.15);
}

.form-input::placeholder { color: var(--text-dim); }

.contact__form-note {
    margin-top: 12px;
    font-size: 0.75rem;
    color: var(--text-dim);
    text-align: center;
}

/* ========== Footer ========== */
.footer {
    padding: 32px 0;
    border-top: 1px solid var(--border);
}

.footer__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.footer__copy {
    font-size: 0.85rem;
    color: var(--text-dim);
    margin-top: 4px;
}

/* ========== Animations ========== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

[data-aos] {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .about__inner { grid-template-columns: 1fr; }
    .contact__inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
    .nav {
        display: none;
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(10, 10, 15, 0.98);
        backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 24px;
        z-index: 999;
    }

    .nav--open { display: flex; }

    .nav__link { font-size: 1.25rem; }

    .burger { display: flex; z-index: 1001; }

    .burger--active span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .burger--active span:nth-child(2) { opacity: 0; }
    .burger--active span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }

    .hero { padding: 100px 0 60px; }
    .hero__stats { grid-template-columns: repeat(2, 1fr); }

    .services__grid { grid-template-columns: 1fr; }
    .cases__grid { grid-template-columns: 1fr; }
    .process__timeline { grid-template-columns: 1fr; }

    .cta-banner__inner { padding: 40px 24px; }
    .cta-banner__problems { grid-template-columns: 1fr; }

    .about__cards { grid-template-columns: repeat(2, 1fr); }

    .footer__inner {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero__title { font-size: 2rem; }
    .hero__actions { flex-direction: column; }
    .hero__actions .btn { width: 100%; }
    .hero__stats { gap: 16px; }
    .hero__stat-value { font-size: 1.5rem; }
    .contact__channels { flex-direction: column; }
    .about__cards { grid-template-columns: 1fr; }
    .case-card { padding: 24px; }
    .case-card__results { grid-template-columns: 1fr; }
}