/* ===== Variables ===== */
:root {
    --primary: #1a8cff;
    --primary-dark: #0066cc;
    --primary-light: #4da6ff;
    --accent: #00d4ff;
    --bg-dark: #060a2e;
    --bg-darker: #03051a;
    --bg-card: #0c1145;
    --bg-card-hover: #111a5c;
    --text: #e8eaf6;
    --text-muted: #9ea4c1;
    --text-heading: #ffffff;
    --whatsapp: #25D366;
    --whatsapp-dark: #1da851;
    --gradient-primary: linear-gradient(135deg, #1a8cff 0%, #00d4ff 100%);
    --gradient-bg: linear-gradient(180deg, #060a2e 0%, #0a0f3a 50%, #060a2e 100%);
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
    --shadow-glow: 0 0 30px rgba(26, 140, 255, 0.15);
    --radius: 12px;
    --radius-lg: 20px;
    --transition: 0.3s ease;
}

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

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

body {
    font-family: 'Heebo', sans-serif;
    background: var(--bg-dark);
    color: var(--text);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

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

/* ===== Typography ===== */
h1, h2, h3, h4 {
    color: var(--text-heading);
    line-height: 1.3;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 900;
    text-align: center;
    margin-bottom: 16px;
}

.section-desc {
    text-align: center;
    color: var(--text-muted);
    font-size: 1.15rem;
    max-width: 600px;
    margin: 0 auto 56px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 32px;
    border-radius: 50px;
    font-family: 'Heebo', sans-serif;
    font-size: 1.05rem;
    font-weight: 700;
    cursor: pointer;
    transition: var(--transition);
    border: none;
}

.btn-primary {
    background: var(--gradient-primary);
    color: #fff;
    box-shadow: 0 4px 20px rgba(26, 140, 255, 0.35);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(26, 140, 255, 0.5);
}

.btn-whatsapp {
    background: var(--whatsapp);
    color: #fff;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.35);
}

.btn-whatsapp:hover {
    background: var(--whatsapp-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.5);
}

.btn-lg {
    padding: 18px 40px;
    font-size: 1.15rem;
}

.whatsapp-icon {
    flex-shrink: 0;
}

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

.navbar.scrolled {
    background: rgba(6, 10, 46, 0.95);
    backdrop-filter: blur(20px);
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
}

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

.logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-img {
    height: 40px;
    width: auto;
}

.logo-text {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--text-heading);
    display: block;
}

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

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-links a:hover {
    color: var(--text-heading);
}

.nav-cta {
    background: var(--gradient-primary);
    color: #fff !important;
    padding: 10px 24px;
    border-radius: 50px;
    font-weight: 600 !important;
}

.nav-cta:hover {
    box-shadow: 0 4px 15px rgba(26, 140, 255, 0.4);
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
}

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

.hero-bg-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.15;
}

.shape-1 {
    width: 500px;
    height: 500px;
    background: var(--primary);
    top: -100px;
    left: -100px;
}

.shape-2 {
    width: 400px;
    height: 400px;
    background: var(--accent);
    bottom: -50px;
    right: -50px;
}

.shape-3 {
    width: 300px;
    height: 300px;
    background: #6c3ce0;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
}

.hero-container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 3.2rem;
    font-weight: 900;
    line-height: 1.2;
    margin-bottom: 24px;
}

.hero-title .highlight {
    display: block;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--text-muted);
    margin-bottom: 40px;
    line-height: 1.8;
}

.hero-subtitle strong {
    color: var(--accent);
    font-weight: 700;
}

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

.robot-container {
    position: relative;
    width: 300px;
    height: 300px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.robot-container::before {
    content: '';
    position: absolute;
    inset: -20px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(26, 140, 255, 0.15) 0%, transparent 70%);
    animation: pulse-glow 3s ease-in-out infinite;
}

.robot-img {
    width: 300px;
    height: 300px;
    object-fit: cover;
    position: relative;
    z-index: 1;
    border-radius: 50%;
    filter: drop-shadow(0 10px 40px rgba(26, 140, 255, 0.3));
    animation: float 4s ease-in-out infinite;
}

.robot-placeholder {
    width: 200px;
    height: 200px;
    border-radius: 50%;
    background: var(--gradient-primary);
    opacity: 0.2;
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-15px); }
}

@keyframes pulse-glow {
    0%, 100% { opacity: 0.5; transform: scale(1); }
    50% { opacity: 1; transform: scale(1.05); }
}

.scroll-indicator {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator span {
    display: block;
    width: 24px;
    height: 40px;
    border: 2px solid var(--text-muted);
    border-radius: 12px;
    position: relative;
}

.scroll-indicator span::after {
    content: '';
    width: 4px;
    height: 8px;
    background: var(--primary-light);
    border-radius: 2px;
    position: absolute;
    top: 6px;
    left: 50%;
    transform: translateX(-50%);
    animation: scroll-down 1.5s ease-in-out infinite;
}

@keyframes scroll-down {
    0% { opacity: 1; top: 6px; }
    100% { opacity: 0; top: 22px; }
}

/* ===== Problem Section ===== */
.problem {
    padding: 100px 0;
    background: var(--bg-darker);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    margin-top: 48px;
}

.problem-card {
    background: var(--bg-card);
    border: 1px solid rgba(26, 140, 255, 0.1);
    border-radius: var(--radius-lg);
    padding: 40px 32px;
    text-align: center;
    transition: var(--transition);
}

.problem-card:hover {
    background: var(--bg-card-hover);
    transform: translateY(-4px);
    border-color: rgba(26, 140, 255, 0.25);
    box-shadow: var(--shadow-glow);
}

.problem-icon {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: rgba(26, 140, 255, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary-light);
}

.problem-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.problem-card p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* ===== Services Section ===== */
.services {
    padding: 100px 0;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

.service-card {
    background: var(--bg-card);
    border: 1px solid rgba(26, 140, 255, 0.08);
    border-radius: var(--radius-lg);
    padding: 48px 36px;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform 0.4s ease;
}

.service-card:hover::before {
    transform: scaleX(1);
}

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

.service-icon {
    width: 72px;
    height: 72px;
    border-radius: var(--radius);
    background: rgba(26, 140, 255, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--accent);
}

.service-card h3 {
    font-size: 1.35rem;
    font-weight: 700;
    margin-bottom: 12px;
}

.service-card p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== Numbers Section ===== */
.numbers {
    padding: 80px 0;
    background: var(--bg-darker);
    border-top: 1px solid rgba(26, 140, 255, 0.1);
    border-bottom: 1px solid rgba(26, 140, 255, 0.1);
}

.numbers-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    text-align: center;
}

.number-item .number {
    font-size: 3.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.number-plus, .number-slash, .number-extra {
    font-size: 2.5rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.number-item p {
    color: var(--text-muted);
    font-size: 1.05rem;
    margin-top: 8px;
}

/* ===== Process Section ===== */
.process {
    padding: 100px 0;
}

.process-timeline {
    max-width: 700px;
    margin: 0 auto;
    position: relative;
}

.process-timeline::before {
    content: '';
    position: absolute;
    right: 28px;
    top: 0;
    bottom: 0;
    width: 2px;
    background: linear-gradient(to bottom, var(--primary), var(--accent));
    opacity: 0.3;
}

.process-step {
    display: flex;
    align-items: flex-start;
    gap: 32px;
    margin-bottom: 48px;
    position: relative;
}

.process-step:last-child {
    margin-bottom: 0;
}

.step-number {
    flex-shrink: 0;
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: var(--gradient-primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.3rem;
    font-weight: 900;
    color: #fff;
    position: relative;
    z-index: 1;
    box-shadow: 0 0 20px rgba(26, 140, 255, 0.3);
}

.step-content h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 8px;
    padding-top: 4px;
}

.step-content p {
    color: var(--text-muted);
    line-height: 1.7;
}

/* ===== About Section ===== */
.about {
    padding: 100px 0;
    background: var(--bg-darker);
}

.about-container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 60px;
    align-items: center;
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
    width: 100%;
    aspect-ratio: 1;
    object-fit: cover;
}

.about-image::after {
    content: '';
    position: absolute;
    inset: 12px;
    border: 2px solid var(--primary);
    border-radius: var(--radius-lg);
    opacity: 0.2;
    z-index: -1;
    transform: translate(-12px, 12px);
}

.about .section-title {
    text-align: right;
}

.about-content p {
    color: var(--text-muted);
    margin-bottom: 16px;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about-values {
    margin-top: 32px;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 1.05rem;
}

.value-check {
    color: var(--whatsapp);
    font-size: 1.2rem;
    font-weight: 700;
}

/* ===== CTA Section ===== */
.cta {
    padding: 100px 0;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(ellipse at center, rgba(26, 140, 255, 0.08) 0%, transparent 70%);
}

.cta-container {
    position: relative;
    z-index: 1;
}

.cta h2 {
    font-size: 2.5rem;
    font-weight: 900;
    margin-bottom: 16px;
}

.cta p {
    color: var(--text-muted);
    font-size: 1.2rem;
    margin-bottom: 40px;
}

/* ===== Footer ===== */
.footer {
    padding: 40px 0;
    border-top: 1px solid rgba(26, 140, 255, 0.1);
}

.footer-container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 20px;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 600;
}

.footer-logo {
    height: 32px;
    width: auto;
}

.footer-social {
    display: flex;
    gap: 16px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: var(--bg-card);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    transition: var(--transition);
}

.footer-social a:hover {
    background: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.footer-copy {
    color: var(--text-muted);
    font-size: 0.85rem;
    width: 100%;
    text-align: center;
    margin-top: 16px;
}

/* ===== Floating WhatsApp ===== */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    left: 24px;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: var(--whatsapp);
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: var(--transition);
    z-index: 999;
    animation: whatsapp-pulse 2s ease-in-out infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 30px rgba(37, 211, 102, 0.6);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 4px 30px rgba(37, 211, 102, 0.6); }
}

/* ===== Animations ===== */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ===== Mobile Menu ===== */
.nav-links.active {
    display: flex;
}

/* ===== Responsive ===== */
@media (max-width: 968px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .hero-title {
        font-size: 2.4rem;
    }

    .hero-visual {
        order: -1;
    }

    .robot-container {
        width: 220px;
        height: 220px;
    }

    .robot-img {
        width: 220px;
        height: 220px;
    }

    .problem-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
        margin: 48px auto 0;
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .numbers-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .about-container {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about .section-title {
        text-align: center;
    }

    .about-image {
        max-width: 300px;
        margin: 0 auto;
    }

    .about-values {
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .cta h2 {
        font-size: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        left: 0;
        background: rgba(6, 10, 46, 0.98);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 32px;
        z-index: 998;
    }

    .nav-links.active {
        display: flex;
    }

    .nav-links a {
        font-size: 1.3rem;
    }

    .mobile-menu-btn {
        display: flex;
        z-index: 999;
    }

    .mobile-menu-btn.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .mobile-menu-btn.active span:nth-child(2) {
        opacity: 0;
    }

    .mobile-menu-btn.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        min-height: auto;
        padding: 120px 0 60px;
    }

    .hero-title {
        font-size: 2rem;
    }

    .hero-subtitle {
        font-size: 1.05rem;
    }

    .btn-lg {
        padding: 16px 32px;
        font-size: 1rem;
    }

    .footer-container {
        flex-direction: column;
        text-align: center;
    }

    .process-timeline::before {
        right: 28px;
    }
}