/* CSS Reset & Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #2d3748;
    background-color: #ffffff;
    overflow-x: hidden;
}

/* Utilities */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.gradient-text {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 12px 24px;
    border-radius: 8px;
    font-weight: 500;
    font-size: 16px;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    min-height: 48px;
}

.btn--primary {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    box-shadow: 0 4px 15px rgba(102, 126, 234, 0.4);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(102, 126, 234, 0.6);
}

.btn--secondary {
    background: white;
    color: #667eea;
    border: 2px solid #667eea;
}

.btn--secondary:hover {
    background: #667eea;
    color: white;
}

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

/* Header */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.nav {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 20px;
    min-height: 70px;
}

.nav__logo h1 {
    font-size: 1.5rem;
    font-weight: 700;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.nav__logo a {
    text-decoration: none;
}

.nav__menu {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav__link {
    text-decoration: none;
    color: #2d3748;
    font-weight: 500;
    transition: color 0.3s ease;
    position: relative;
}

.nav__link:hover {
    color: #667eea;
}

.nav__link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    transition: width 0.3s ease;
}

.nav__link:hover::after {
    width: 100%;
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: #2d3748;
    margin: 3px 0;
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 120px 0 80px;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 100%;
    height: 200%;
    background: radial-gradient(ellipse, rgba(102, 126, 234, 0.1) 0%, transparent 70%);
    z-index: 1;
}

.hero .container {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero__title {
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 1.5rem;
}

.hero__description {
    font-size: 1.25rem;
    color: #4a5568;
    margin-bottom: 2rem;
    line-height: 1.6;
}

.hero__buttons {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.hero__mockup {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 2rem;
}

.mockup-before,
.mockup-after {
    width: 200px;
    height: 300px;
    background: white;
    border-radius: 12px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.mockup-header {
    height: 30px;
    background: #f1f1f1;
    display: flex;
    align-items: center;
    padding: 0 12px;
    gap: 6px;
}

.dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
}

.dot.red { background: #ff5f56; }
.dot.yellow { background: #ffbd2e; }
.dot.green { background: #27ca3f; }

.mockup-content {
    height: calc(100% - 30px);
    padding: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.old-layout {
    width: 100%;
    height: 80px;
    background: #e2e8f0;
    border-radius: 4px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #718096;
    font-size: 12px;
}

.new-layout {
    width: 100%;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 12px;
    font-weight: 600;
}

.arrow {
    font-size: 2rem;
    color: #667eea;
    font-weight: bold;
}

/* Sections */
.section__header {
    text-align: center;
    margin-bottom: 4rem;
}

.section__title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    margin-bottom: 1rem;
    color: #2d3748;
}

.section__description {
    font-size: 1.25rem;
    color: #4a5568;
    max-width: 600px;
    margin: 0 auto;
}

/* Services Section */
.services {
    padding: 80px 0;
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.service__card {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.service__card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.15);
}

.service__icon {
    font-size: 3rem;
    margin-bottom: 1rem;
    display: block;
}

.service__card h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: #2d3748;
}

.service__card p {
    color: #4a5568;
    line-height: 1.6;
}

/* Process Section */
.process {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.process__timeline {
    display: flex;
    flex-direction: column;
    gap: 3rem;
    max-width: 800px;
    margin: 0 auto;
}

.process__step {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.process__step:hover {
    transform: translateX(10px);
}

.step__number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    flex-shrink: 0;
}

.step__content h3 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
    color: #2d3748;
}

.step__content p {
    color: #4a5568;
    line-height: 1.6;
}

/* Portfolio Section */
.portfolio {
    padding: 80px 0;
}

.portfolio__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
}

.portfolio__item {
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    transition: transform 0.3s ease;
}

.portfolio__item:hover {
    transform: translateY(-8px);
}

.portfolio__image {
    height: 300px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.portfolio__overlay {
    background: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 2rem;
    text-align: center;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.portfolio__item:hover .portfolio__overlay {
    opacity: 1;
}

.portfolio__category {
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.875rem;
    margin-bottom: 1rem;
    align-self: center;
}

.portfolio__overlay h4 {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.portfolio__overlay p {
    color: #e2e8f0;
}

/* Partners Section */
.partners {
    padding: 40px 0;
    background: #2d3748;
    text-align: center;
}

.partners h3 {
    color: white;
    margin-bottom: 1.5rem;
    font-size: 1.5rem;
}

.partners__links {
    display: flex;
    justify-content: center;
    gap: 2rem;
    flex-wrap: wrap;
}

.partner__link {
    color: #a0aec0;
    text-decoration: none;
    padding: 0.5rem 1rem;
    border-radius: 8px;
    transition: all 0.3s ease;
}

.partner__link:hover {
    color: white;
    background: rgba(255, 255, 255, 0.1);
}

/* Contact Section */
.contact {
    padding: 80px 0;
    background: linear-gradient(135deg, #f7fafc 0%, #edf2f7 100%);
}

.contact__content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: start;
}

.contact__info {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.contact__item {
    display: flex;
    align-items: center;
    gap: 1rem;
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
}

.contact__icon {
    font-size: 2rem;
    width: 50px;
    text-align: center;
}

.contact__item h4 {
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.25rem;
}

.contact__item p {
    color: #4a5568;
}

.contact__form {
    background: white;
    padding: 2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__group input,
.form__group select,
.form__group textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid #e2e8f0;
    border-radius: 8px;
    font-size: 16px;
    transition: border-color 0.3s ease;
    font-family: inherit;
    background: white;
}

.form__group input:focus,
.form__group select:focus,
.form__group textarea:focus {
    outline: none;
    border-color: #667eea;
    box-shadow: 0 0 0 3px rgba(102, 126, 234, 0.1);
}

.form__group textarea {
    resize: vertical;
    min-height: 120px;
}

/* Footer */
.footer {
    background: #2d3748;
    color: white;
    padding: 60px 0 30px;
}

.footer__content {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: 3rem;
    margin-bottom: 2rem;
}

.footer__brand h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer__brand p {
    color: #a0aec0;
    line-height: 1.6;
}

.footer__links {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.footer__col h4 {
    margin-bottom: 1rem;
    color: white;
    font-weight: 600;
}

.footer__col ul {
    list-style: none;
}

.footer__col ul li {
    margin-bottom: 0.5rem;
}

.footer__col a {
    color: #a0aec0;
    text-decoration: none;
    transition: color 0.3s ease;
}

.footer__col a:hover {
    color: white;
}

.footer__bottom {
    border-top: 1px solid #4a5568;
    padding-top: 2rem;
    text-align: center;
    color: #a0aec0;
}

/* WhatsApp Button */
.whatsapp-btn {
    position: fixed;
    bottom: 30px;
    right: 30px;
    width: 60px;
    height: 60px;
    background: #25d366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    text-decoration: none;
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.3s ease;
}

.whatsapp-btn:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.6);
}

.whatsapp-btn svg {
    width: 28px;
    height: 28px;
}

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

.animate-fade-in {
    animation: fadeInUp 0.6s ease-out;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav__menu {
        position: fixed;
        top: 70px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 70px);
        background: white;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding-top: 2rem;
        transition: left 0.3s ease;
        box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    }

    .nav__menu.active {
        left: 0;
    }

    .nav__toggle {
        display: flex;
    }

    .nav__toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(6px, 6px);
    }

    .nav__toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .nav__toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(6px, -6px);
    }

    .hero .container {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .hero__buttons {
        justify-content: center;
    }

    .hero__mockup {
        flex-direction: column;
        gap: 1rem;
    }

    .mockup-before,
    .mockup-after {
        width: 150px;
        height: 225px;
    }

    .arrow {
        transform: rotate(90deg);
    }

    .services__grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .process__step {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }

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

    .contact__content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .footer__content {
        grid-template-columns: 1fr;
        gap: 2rem;
        text-align: center;
    }

    .footer__links {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .partners__links {
        flex-direction: column;
        gap: 1rem;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero__title {
        font-size: 2rem;
    }

    .hero__description {
        font-size: 1.1rem;
    }

    .hero__buttons {
        flex-direction: column;
        width: 100%;
    }

    .btn {
        width: 100%;
    }

    .section__title {
        font-size: 1.8rem;
    }

    .section__description {
        font-size: 1.1rem;
    }

    .services,
    .process,
    .portfolio,
    .contact {
        padding: 60px 0;
    }

    .whatsapp-btn {
        bottom: 20px;
        right: 20px;
        width: 50px;
        height: 50px;
    }

    .whatsapp-btn svg {
        width: 24px;
        height: 24px;
    }
}

/* Performance optimizations */
* {
    will-change: auto;
}

.btn,
.service__card,
.process__step,
.portfolio__item {
    will-change: transform;
}

/* Accessibility */
@media (prefers-reduced-motion: reduce) {
    *,
    *::before,
    *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
        scroll-behavior: auto !important;
    }
}

/* Focus styles for accessibility */
.btn:focus,
.nav__link:focus,
input:focus,
textarea:focus,
select:focus {
    outline: 2px solid #667eea;
    outline-offset: 2px;
}

/* Print styles */
@media print {
    .header,
    .whatsapp-btn,
    .nav__toggle {
        display: none;
    }

    body {
        background: white;
    }

    .hero,
    .process,
    .contact {
        background: white;
    }
}