:root {
    --indigo: #4f46e5;
    --indigo-dark: #3730a3;
    --violet: #7c3aed;
    --cyan: #22d3ee;
    --ink: #14152b;
    --ink-soft: #4b4d6b;
    --bg: #ffffff;
    --bg-soft: #f5f6fb;
    --border: #e6e7f2;
    --white: #ffffff;
    --success-bg: #ecfdf5;
    --success-text: #047857;
    --error-bg: #fef2f2;
    --error-text: #b91c1c;
    --radius: 16px;
    --shadow: 0 20px 40px -20px rgba(79, 70, 229, 0.25);
    --font-heading: "Sora", "Inter", system-ui, sans-serif;
    --font-body: "Inter", system-ui, sans-serif;
}

* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
    margin: 0;
    font-family: var(--font-body);
    color: var(--ink);
    background: var(--bg);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4 {
    font-family: var(--font-heading);
    line-height: 1.2;
    margin: 0 0 0.5em;
}

p { margin: 0 0 1em; }

a { color: inherit; text-decoration: none; }

img { max-width: 100%; display: block; }

.container {
    width: 100%;
    max-width: 1180px;
    margin: 0 auto;
    padding: 0 24px;
}

.kicker {
    text-transform: uppercase;
    letter-spacing: 0.12em;
    font-size: 0.78rem;
    font-weight: 600;
    color: var(--indigo);
    margin-bottom: 0.75em;
}

.kicker.center { text-align: center; }

.section-title { font-size: clamp(1.7rem, 3vw, 2.4rem); }
.section-title.center { text-align: center; }

.section-subtitle {
    color: var(--ink-soft);
    max-width: 620px;
    font-size: 1.05rem;
}

.section-subtitle.center { text-align: center; margin: 0 auto 3rem; }

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5em;
    padding: 0.9em 1.6em;
    border-radius: 999px;
    font-weight: 600;
    font-size: 0.98rem;
    border: 2px solid transparent;
    cursor: pointer;
    transition: transform 0.15s ease, box-shadow 0.15s ease, background 0.15s ease;
    white-space: nowrap;
}

.btn-primary {
    background: linear-gradient(135deg, var(--indigo), var(--violet));
    color: var(--white);
    box-shadow: 0 12px 24px -10px rgba(79, 70, 229, 0.55);
}

.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 30px -10px rgba(79, 70, 229, 0.6); }

.btn-outline {
    background: transparent;
    color: var(--indigo);
    border-color: var(--border);
}

.btn-outline:hover { border-color: var(--indigo); transform: translateY(-2px); }

.btn-sm { padding: 0.55em 1.2em; font-size: 0.85rem; }

.btn-block { width: 100%; }

/* Header */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1.5rem;
    padding-top: 14px;
    padding-bottom: 14px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.6em;
    font-family: var(--font-heading);
    font-weight: 700;
    font-size: 1.1rem;
}

.brand-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--indigo), var(--violet));
    color: var(--white);
    font-size: 1rem;
    font-weight: 800;
}

.brand-mark span { color: var(--cyan); }

.main-nav {
    display: flex;
    gap: 2rem;
    font-weight: 500;
    font-size: 0.95rem;
}

.main-nav a { color: var(--ink-soft); transition: color 0.15s ease; }
.main-nav a:hover { color: var(--indigo); }

.header-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.lang-switch {
    display: flex;
    gap: 0.3rem;
    font-size: 0.8rem;
    font-weight: 700;
}

.lang-switch a {
    padding: 0.3em 0.6em;
    border-radius: 8px;
    color: var(--ink-soft);
}

.lang-switch a.active,
.lang-switch a:hover {
    background: var(--bg-soft);
    color: var(--indigo);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    border: none;
    background: none;
    cursor: pointer;
}

.nav-toggle span {
    display: block;
    height: 2px;
    background: var(--ink);
    border-radius: 2px;
}

/* Hero */
.hero {
    background: radial-gradient(circle at 20% 20%, rgba(79, 70, 229, 0.08), transparent 60%),
                radial-gradient(circle at 80% 0%, rgba(34, 211, 238, 0.08), transparent 55%),
                var(--bg-soft);
    padding: 5rem 0 5rem;
}

.hero-inner {
    display: grid;
    grid-template-columns: 1.1fr 0.9fr;
    gap: 3rem;
    align-items: center;
}

.hero h1 {
    font-size: clamp(2.1rem, 4vw, 3.2rem);
    margin-bottom: 0.4em;
}

.hero-subtitle {
    font-size: 1.1rem;
    color: var(--ink-soft);
    max-width: 540px;
}

.hero-ctas {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
    margin: 1.8rem 0;
}

.trust-list {
    list-style: none;
    margin: 1.5rem 0 0;
    padding: 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 0.6rem 1.5rem;
    font-size: 0.92rem;
    color: var(--ink-soft);
}

.trust-list li { display: flex; align-items: center; gap: 0.5em; }

.trust-list li::before {
    content: "";
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--cyan);
    flex-shrink: 0;
}

.hero-visual { display: flex; justify-content: center; }

.chat-mock {
    width: 100%;
    max-width: 340px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 1.2rem;
    border: 1px solid var(--border);
}

.chat-mock-header { display: flex; gap: 6px; margin-bottom: 1rem; }

.chat-mock-header .dot {
    width: 10px; height: 10px; border-radius: 50%; background: var(--border);
}

.chat-bubble {
    padding: 0.7em 1em;
    border-radius: 14px;
    font-size: 0.9rem;
    margin-bottom: 0.7rem;
    max-width: 85%;
}

.chat-bubble.bot {
    background: var(--bg-soft);
    color: var(--ink);
    border-bottom-left-radius: 4px;
}

.chat-bubble.user {
    background: linear-gradient(135deg, var(--indigo), var(--violet));
    color: var(--white);
    margin-left: auto;
    border-bottom-right-radius: 4px;
}

.chat-bubble.typing { display: flex; gap: 4px; width: fit-content; }

.chat-bubble.typing span {
    width: 6px; height: 6px; border-radius: 50%; background: var(--ink-soft);
    opacity: 0.5;
    animation: blink 1.4s infinite ease-in-out;
}

.chat-bubble.typing span:nth-child(2) { animation-delay: 0.2s; }
.chat-bubble.typing span:nth-child(3) { animation-delay: 0.4s; }

@keyframes blink { 0%, 80%, 100% { opacity: 0.3; } 40% { opacity: 1; } }

/* Services */
.services { padding: 6rem 0; }

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.service-card {
    position: relative;
    background: var(--white);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 2rem 1.7rem;
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.service-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); }

.service-card.featured {
    border-color: var(--indigo);
    background: linear-gradient(180deg, rgba(79, 70, 229, 0.05), transparent 40%);
}

.badge {
    position: absolute;
    top: -12px;
    right: 1.5rem;
    background: linear-gradient(135deg, var(--indigo), var(--violet));
    color: var(--white);
    font-size: 0.72rem;
    font-weight: 700;
    padding: 0.35em 0.9em;
    border-radius: 999px;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-icon {
    width: 52px;
    height: 52px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: var(--bg-soft);
    color: var(--indigo);
    margin-bottom: 1.2rem;
}

.service-icon svg { width: 26px; height: 26px; }

.service-card h3 { font-size: 1.15rem; }
.service-card p { color: var(--ink-soft); font-size: 0.95rem; margin: 0; }

/* How it works */
.how-it-works { padding: 6rem 0; background: var(--bg-soft); }

.steps-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.step-card {
    background: var(--white);
    border-radius: var(--radius);
    padding: 1.8rem 1.5rem;
    border: 1px solid var(--border);
}

.step-num {
    display: inline-block;
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 1.6rem;
    color: transparent;
    -webkit-text-stroke: 1.5px var(--indigo);
    margin-bottom: 0.6rem;
}

.step-card h3 { font-size: 1.05rem; }
.step-card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* Why */
.why { padding: 6rem 0; }

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.benefit-card {
    padding: 1.8rem;
    border-radius: var(--radius);
    background: linear-gradient(160deg, rgba(79, 70, 229, 0.06), rgba(34, 211, 238, 0.06));
    border: 1px solid var(--border);
}

.benefit-card h3 { font-size: 1.05rem; }
.benefit-card p { color: var(--ink-soft); font-size: 0.92rem; margin: 0; }

/* Contact */
.contact { padding: 6rem 0; background: var(--bg-soft); }

.contact-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr;
    gap: 3rem;
    align-items: start;
}

.contact-form-wrap {
    background: var(--white);
    border-radius: var(--radius);
    padding: 2.5rem;
    border: 1px solid var(--border);
    box-shadow: var(--shadow);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

.form-field { margin-bottom: 1.1rem; }

.form-field label {
    display: block;
    font-size: 0.88rem;
    font-weight: 600;
    margin-bottom: 0.4em;
    color: var(--ink);
}

.form-field input,
.form-field select,
.form-field textarea {
    width: 100%;
    padding: 0.75em 0.9em;
    border-radius: 10px;
    border: 1px solid var(--border);
    font-family: var(--font-body);
    font-size: 0.95rem;
    background: var(--bg-soft);
    color: var(--ink);
    transition: border-color 0.15s ease;
}

.form-field input:focus,
.form-field select:focus,
.form-field textarea:focus {
    outline: none;
    border-color: var(--indigo);
    background: var(--white);
}

.hp-field {
    position: absolute !important;
    left: -9999px !important;
    width: 1px; height: 1px; opacity: 0;
}

.privacy-note {
    font-size: 0.82rem;
    color: var(--ink-soft);
    text-align: center;
    margin: 1rem 0 0;
}

.privacy-note a { color: var(--indigo); text-decoration: underline; }

.alert {
    padding: 1rem 1.2rem;
    border-radius: 12px;
    margin-bottom: 1.5rem;
    font-size: 0.92rem;
}

.alert-success { background: var(--success-bg); color: var(--success-text); }
.alert-error { background: var(--error-bg); color: var(--error-text); }
.alert p { margin: 0.3em 0 0; }

.contact-direct {
    background: linear-gradient(160deg, var(--indigo), var(--violet));
    color: var(--white);
    border-radius: var(--radius);
    padding: 2.2rem;
}

.contact-direct h3 { margin-bottom: 1.3rem; font-size: 1.15rem; }

.contact-direct-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 0.9rem 0;
    border-top: 1px solid rgba(255, 255, 255, 0.18);
    transition: opacity 0.15s ease;
}

.contact-direct-item:first-of-type { border-top: none; }
.contact-direct-item:hover { opacity: 0.85; }

.contact-direct-item span:last-child {
    display: flex;
    flex-direction: column;
    font-size: 0.92rem;
}

.contact-direct-icon {
    width: 40px;
    height: 40px;
    flex-shrink: 0;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 10px;
}

.contact-direct-icon svg { width: 20px; height: 20px; }

/* WhatsApp float button */
.whatsapp-float {
    position: fixed;
    bottom: 22px;
    right: 22px;
    width: 58px;
    height: 58px;
    border-radius: 50%;
    background: #25d366;
    color: var(--white);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 12px 24px -8px rgba(37, 211, 102, 0.6);
    z-index: 200;
    transition: transform 0.15s ease;
}

.whatsapp-float:hover { transform: scale(1.08); }

/* Footer */
.site-footer { background: var(--ink); color: rgba(255, 255, 255, 0.75); padding: 4rem 0 0; }

.footer-inner {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr 1fr;
    gap: 2.5rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-brand { display: flex; flex-direction: column; gap: 0.8rem; }
.footer-brand .brand-name { color: var(--white); font-weight: 700; font-family: var(--font-heading); }
.footer-brand p { font-size: 0.88rem; max-width: 260px; margin: 0; }

.footer-col { display: flex; flex-direction: column; gap: 0.7rem; }
.footer-col h4 { color: var(--white); font-size: 0.95rem; margin-bottom: 0.3rem; }
.footer-col a { font-size: 0.9rem; color: rgba(255, 255, 255, 0.7); }
.footer-col a:hover { color: var(--cyan); }

.footer-bottom {
    padding: 1.5rem 0;
    font-size: 0.82rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
}

/* Legal pages */
.legal-page { padding: 4rem 0 5rem; }
.legal-content { max-width: 760px; }
.legal-content h1 { margin-bottom: 1rem; }
.legal-content h2 { font-size: 1.2rem; margin-top: 2rem; }
.legal-content p, .legal-content li { color: var(--ink-soft); }

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(16px);
    transition: opacity 0.5s ease, transform 0.5s ease;
}

.reveal.is-visible { opacity: 1; transform: translateY(0); }

/* Responsive */
@media (max-width: 960px) {
    .hero-inner { grid-template-columns: 1fr; }
    .hero-visual { order: -1; max-width: 340px; margin: 0 auto; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .steps-grid { grid-template-columns: repeat(2, 1fr); }
    .benefits-grid { grid-template-columns: repeat(2, 1fr); }
    .contact-inner { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 720px) {
    .main-nav {
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        background: var(--white);
        flex-direction: column;
        padding: 1.5rem 24px;
        border-bottom: 1px solid var(--border);
        display: none;
        gap: 1rem;
    }

    .main-nav.open { display: flex; }

    .nav-toggle { display: flex; }

    .header-actions .btn-sm { display: none; }

    .services-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .benefits-grid { grid-template-columns: 1fr; }
    .form-row { grid-template-columns: 1fr; }
    .footer-inner { grid-template-columns: 1fr; }
    .contact-form-wrap { padding: 1.6rem; }
}