/* ===== RESET & BASE ===== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #0077BE;
    --secondary-color: #00A8E8;
    --accent-color: #FF6B35;
    --dark-color: #1A1A2E;
    --light-color: #F5F5F5;
    --text-color: #333333;
    --text-light: #666666;
    --white: #FFFFFF;
    --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 30px rgba(0, 0, 0, 0.15);
    --transition: all 0.3s ease;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Open Sans', sans-serif;
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
}

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

.section {
    padding: 80px 0;
}

.section__header {
    text-align: center;
    margin-bottom: 60px;
}

.section__title {
    font-family: 'Oswald', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark-color);
    margin-bottom: 15px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.section__subtitle {
    font-size: 1.1rem;
    color: var(--text-light);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== HEADER & NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    box-shadow: var(--shadow);
    z-index: 1000;
    transition: var(--transition);
}

.header.scrolled {
    box-shadow: var(--shadow-lg);
}

.nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
}

.nav__logo {
    height: 100px;
    background: transparent;
}

.logo-img {
    height: 100%;
    width: auto;
    object-fit: contain;
    image-rendering: auto;
    image-rendering: -webkit-optimize-contrast;
    -ms-interpolation-mode: bicubic;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    -webkit-transform: translateZ(0);
    transform: translateZ(0);
    will-change: transform;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: transparent;
}

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

.nav__link {
    text-decoration: none;
    color: var(--text-color);
    font-weight: 600;
    font-size: 0.95rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    position: relative;
}

.nav__link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary-color);
    transition: var(--transition);
}

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

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

.nav__link--cta {
    background: var(--primary-color);
    color: var(--white);
    padding: 10px 25px;
    border-radius: 25px;
}

.nav__link--cta::after {
    display: none;
}

.nav__link--cta:hover {
    background: var(--secondary-color);
    color: var(--white);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.nav__toggle {
    display: none;
    flex-direction: column;
    cursor: pointer;
    gap: 5px;
}

.nav__toggle span {
    width: 25px;
    height: 3px;
    background: var(--dark-color);
    transition: var(--transition);
}

/* ===== HERO SLIDER SECTION ===== */
.hero-slider {
    min-height: 100vh;
    position: relative;
    padding-top: 120px;
    overflow: hidden;
}

.slider-container {
    position: relative;
    width: 100%;
    height: calc(100vh - 120px);
    min-height: 600px;
}

.slider-wrapper {
    position: relative;
    width: 100%;
    height: 100%;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slide.active {
    opacity: 1;
    z-index: 2;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.slide::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(0, 119, 190, 0.7) 0%, rgba(0, 168, 232, 0.5) 100%);
    z-index: 1;
}

.slide-content {
    position: relative;
    z-index: 2;
    text-align: center;
    color: var(--white);
    padding: 2rem;
    max-width: 800px;
    animation: slideFadeIn 1s ease-in-out;
}

@keyframes slideFadeIn {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.slide-title {
    font-family: 'Oswald', sans-serif;
    font-size: 4.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
    line-height: 1.2;
    text-shadow: 2px 2px 8px rgba(0, 0, 0, 0.5);
}

.slide-subtitle {
    font-size: 1.5rem;
    margin-bottom: 2.5rem;
    opacity: 0.95;
    line-height: 1.8;
    text-shadow: 1px 1px 4px rgba(0, 0, 0, 0.5);
}

.slider-controls {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 100%;
    display: flex;
    justify-content: space-between;
    padding: 0 2rem;
    z-index: 10;
    pointer-events: none;
}

.slider-btn {
    background: rgba(255, 255, 255, 0.9);
    border: none;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    font-size: 2rem;
    color: var(--primary-color);
    cursor: pointer;
    transition: var(--transition);
    pointer-events: all;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    font-weight: bold;
}

.slider-btn:hover {
    background: var(--white);
    transform: scale(1.1);
    box-shadow: var(--shadow-lg);
}

.slider-btn--prev {
    left: 2rem;
}

.slider-btn--next {
    right: 2rem;
}

.slider-dots {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 1rem;
    z-index: 10;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: 2px solid var(--white);
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--white);
    transform: scale(1.2);
}

.hero__wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    z-index: 3;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-block;
    padding: 15px 40px;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    transition: var(--transition);
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn--primary {
    background: var(--white);
    color: var(--primary-color);
    box-shadow: var(--shadow);
}

.btn--primary:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    background: var(--light-color);
}

.btn--full {
    width: 100%;
    text-align: center;
}

/* ===== ABOUT SECTION ===== */
.about {
    background: var(--white);
}

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

.about__image {
    position: relative;
}

.about__img {
    width: 100%;
    height: auto;
    border-radius: 15px;
    box-shadow: var(--shadow-lg);
}

.about__content h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 1.5rem;
}

.about__content p {
    color: var(--text-light);
    margin-bottom: 1.5rem;
    font-size: 1.05rem;
    line-height: 1.8;
}

.about__features {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
    margin-top: 2rem;
}

.feature h4 {
    font-size: 1rem;
    color: var(--dark-color);
    font-weight: 600;
}

/* ===== SERVICES SECTION ===== */
.services {
    background: var(--light-color);
}

.services__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 2rem;
}

.service__card {
    background: var(--white);
    padding: 2rem;
    border-radius: 15px;
    text-align: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service__card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-lg);
}

.service__icon {
    margin-bottom: 1.5rem;
    overflow: hidden;
    border-radius: 10px;
    height: 200px;
}

.service__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.service__card:hover .service__img {
    transform: scale(1.1);
}

.service__title {
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    color: var(--dark-color);
    margin-bottom: 1rem;
}

.service__description {
    color: var(--text-light);
    line-height: 1.6;
}

/* ===== GALLERY SECTION ===== */
.gallery {
    background: var(--white);
}

.gallery__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
}

.gallery__item {
    position: relative;
    overflow: hidden;
    border-radius: 15px;
    height: 300px;
    cursor: pointer;
}

.gallery__img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition);
}

.gallery__overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 119, 190, 0.8);
    display: flex;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: var(--transition);
}

.gallery__item:hover .gallery__overlay {
    opacity: 1;
}

.gallery__item:hover .gallery__img {
    transform: scale(1.1);
}

.gallery__overlay h4 {
    color: var(--white);
    font-family: 'Oswald', sans-serif;
    font-size: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 2px;
}

/* ===== CONTACT SECTION ===== */
.contact {
    background: var(--light-color);
}

.contact__container {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 4rem;
}

.contact__info h3 {
    font-family: 'Oswald', sans-serif;
    font-size: 2rem;
    color: var(--dark-color);
    margin-bottom: 2rem;
}

.contact__item {
    margin-bottom: 2rem;
}

.contact__item h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
    font-weight: 600;
}

.contact__item p {
    color: var(--text-light);
    font-size: 1.05rem;
}

.contact__social {
    margin-top: 2.5rem;
}

.contact__social h4 {
    font-size: 1.1rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
    font-weight: 600;
}

.social__links {
    display: flex;
    gap: 1rem;
}

.social__link {
    padding: 10px 20px;
    background: var(--primary-color);
    color: var(--white);
    text-decoration: none;
    border-radius: 25px;
    font-weight: 600;
    transition: var(--transition);
}

.social__link:hover {
    background: var(--secondary-color);
    transform: translateY(-2px);
    box-shadow: var(--shadow);
}

.contact__form {
    background: var(--white);
    padding: 2.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow);
}

.form__group {
    margin-bottom: 1.5rem;
}

.form__input {
    width: 100%;
    padding: 15px;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    font-size: 1rem;
    font-family: 'Open Sans', sans-serif;
    transition: var(--transition);
}

.form__input:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

/* ===== FOOTER ===== */
.footer {
    background: var(--dark-color);
    color: var(--white);
    padding: 3rem 0;
    text-align: center;
}

.footer__content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 1.5rem;
}

.footer__img {
    height: 50px;
    width: auto;
}

.footer__text {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.9rem;
}

/* ===== SCROLL TO TOP ===== */
.scroll-top {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    color: var(--white);
    border: none;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    box-shadow: var(--shadow);
}

.scroll-top.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top:hover {
    background: var(--secondary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

/* ===== WHATSAPP WIDGET ===== */
.whatsapp-widget {
    position: fixed;
    bottom: 100px;
    right: 30px;
    width: 360px;
    height: 500px;
    background: var(--white);
    border-radius: 15px;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    display: flex;
    flex-direction: column;
    opacity: 0;
    visibility: hidden;
    transform: translateY(20px) scale(0.9);
    transition: all 0.3s cubic-bezier(0.68, -0.55, 0.265, 1.55);
    overflow: hidden;
}

.whatsapp-widget.active {
    opacity: 1;
    visibility: visible;
    transform: translateY(0) scale(1);
}

.whatsapp-widget__header {
    background: #25D366;
    color: var(--white);
    padding: 15px 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border-radius: 15px 15px 0 0;
}

.whatsapp-widget__info {
    display: flex;
    align-items: center;
    gap: 12px;
}

.whatsapp-widget__avatar {
    width: 45px;
    height: 45px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.whatsapp-icon-small {
    width: 28px;
    height: 28px;
}

.whatsapp-widget__details h4 {
    margin: 0;
    font-size: 1rem;
    font-weight: 600;
}

.whatsapp-widget__status {
    font-size: 0.75rem;
    opacity: 0.9;
    display: flex;
    align-items: center;
    gap: 5px;
}

.whatsapp-widget__status::before {
    content: '';
    width: 8px;
    height: 8px;
    background: var(--white);
    border-radius: 50%;
    display: inline-block;
    animation: pulse-dot 2s infinite;
}

.whatsapp-widget__close {
    background: transparent;
    border: none;
    color: var(--white);
    cursor: pointer;
    padding: 5px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    border-radius: 50%;
}

.whatsapp-widget__close:hover {
    background: rgba(255, 255, 255, 0.2);
}

.whatsapp-widget__body {
    flex: 1;
    overflow-y: auto;
    background: #ECE5DD;
    padding: 20px;
    background-image: 
        repeating-linear-gradient(
            45deg,
            transparent,
            transparent 10px,
            rgba(0, 0, 0, 0.02) 10px,
            rgba(0, 0, 0, 0.02) 20px
        );
}

.whatsapp-widget__messages {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.whatsapp-widget__message {
    max-width: 75%;
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.9rem;
    line-height: 1.4;
    animation: messageSlideIn 0.3s ease-out;
}

.whatsapp-widget__message--received {
    background: var(--white);
    align-self: flex-start;
    border-bottom-left-radius: 2px;
    box-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.whatsapp-widget__message--received p {
    margin: 0 0 5px 0;
    color: var(--text-color);
}

.whatsapp-widget__message--received p:last-child {
    margin-bottom: 0;
}

.whatsapp-widget__footer {
    padding: 15px;
    background: var(--white);
    border-top: 1px solid #e0e0e0;
    display: flex;
    gap: 10px;
    align-items: center;
}

.whatsapp-widget__input-container {
    flex: 1;
}

.whatsapp-widget__input {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #e0e0e0;
    border-radius: 25px;
    font-size: 0.9rem;
    font-family: 'Open Sans', sans-serif;
    background: #f0f0f0;
    color: var(--text-color);
}

.whatsapp-widget__input:focus {
    outline: none;
    border-color: #25D366;
    background: var(--white);
}

.whatsapp-widget__send {
    width: 45px;
    height: 45px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    transition: var(--transition);
    flex-shrink: 0;
}

.whatsapp-widget__send:hover {
    background: #20BA5A;
    transform: scale(1.1);
}

@keyframes messageSlideIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes pulse-dot {
    0%, 100% {
        opacity: 1;
    }
    50% {
        opacity: 0.5;
    }
}

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
    position: fixed;
    width: 60px;
    height: 60px;
    bottom: 30px;
    right: 30px;
    background: #25D366;
    color: var(--white);
    border-radius: 50%;
    text-align: center;
    font-size: 30px;
    box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    z-index: 999;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    text-decoration: none;
    animation: pulse 2s infinite;
    border: none;
    cursor: pointer;
}

.whatsapp-float:hover {
    background: #20BA5A;
    transform: scale(1.1);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.6);
}

.whatsapp-float .whatsapp-icon {
    width: 35px;
    height: 35px;
    fill: var(--white);
}

.whatsapp-tooltip {
    position: absolute;
    right: 70px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--dark-color);
    color: var(--white);
    padding: 10px 15px;
    border-radius: 8px;
    font-size: 0.85rem;
    white-space: nowrap;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    pointer-events: none;
    box-shadow: var(--shadow);
}

.whatsapp-tooltip::after {
    content: '';
    position: absolute;
    left: 100%;
    top: 50%;
    transform: translateY(-50%);
    border: 8px solid transparent;
    border-left-color: var(--dark-color);
}

.whatsapp-float:hover .whatsapp-tooltip {
    opacity: 1;
    visibility: visible;
    right: 75px;
}

@keyframes pulse {
    0% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
    50% {
        box-shadow: 0 4px 20px rgba(37, 211, 102, 0.6);
    }
    100% {
        box-shadow: 0 4px 12px rgba(37, 211, 102, 0.4);
    }
}

/* ===== RESPONSIVE DESIGN ===== */
@media (max-width: 968px) {
    .nav__menu {
        position: fixed;
        top: 120px;
        left: -100%;
        flex-direction: column;
        background: var(--white);
        width: 100%;
        padding: 2rem;
        box-shadow: var(--shadow-lg);
        transition: var(--transition);
        gap: 1.5rem;
    }

    .nav__menu.show {
        left: 0;
    }

    .nav__toggle {
        display: flex;
    }

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

    .hero__title {
        font-size: 3rem;
    }

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

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

    .section__title {
        font-size: 2rem;
    }

    .services__grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
}

@media (max-width: 768px) {
    .slide-title {
        font-size: 2.5rem;
    }

    .slide-subtitle {
        font-size: 1.2rem;
    }

    .slider-btn {
        width: 50px;
        height: 50px;
        font-size: 1.5rem;
    }

    .slider-controls {
        padding: 0 1rem;
    }

    .slider-container {
        min-height: 500px;
    }
}

@media (max-width: 576px) {
    .nav__logo {
        height: 70px;
    }

    .hero-slider {
        padding-top: 90px;
    }

    .slider-container {
        height: calc(100vh - 90px);
    }

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

    .slide-subtitle {
        font-size: 1rem;
    }

    .slider-btn {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .slider-dots {
        bottom: 20px;
    }

    .whatsapp-float {
        width: 55px;
        height: 55px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float .whatsapp-icon {
        width: 30px;
        height: 30px;
    }

    .whatsapp-tooltip {
        display: none;
    }

    .whatsapp-widget {
        width: calc(100% - 40px);
        height: calc(100vh - 120px);
        max-height: 500px;
        bottom: 90px;
        right: 20px;
        left: 20px;
    }

    .scroll-top {
        bottom: 85px;
        right: 20px;
        width: 45px;
        height: 45px;
        font-size: 1.2rem;
    }
}

    .section {
        padding: 50px 0;
    }

    .section__title {
        font-size: 1.75rem;
    }

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

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