/* ===========================
   BANDADA HC - Styles
   Color turquesa extraído del logo: ~#2BBCB3
   =========================== */

:root {
    --color-primary: #2BBCB3;
    --color-primary-dark: #239E97;
    --color-primary-light: #E8F8F7;
    --color-primary-rgb: 43, 188, 179;
    --color-dark: #1A1A2E;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-bg: #FFFFFF;
    --color-bg-alt: #F7FAFA;
    --color-whatsapp: #25D366;
    --font-heading: 'DM Sans', sans-serif;
    --font-body: 'Inter', sans-serif;
    --container-width: 1160px;
    --header-height: 72px;
}

/* RESET */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; scroll-padding-top: var(--header-height); }
body {
    font-family: var(--font-body);
    color: var(--color-text);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-primary); text-decoration: none; transition: color .2s; }
a:hover { color: var(--color-primary-dark); }
ul { list-style: none; }

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section-label {
    display: block;
    text-align: center;
    font-size: .85rem;
    font-weight: 600;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: 8px;
}

.section-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 48px;
}

/* BUTTONS */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 32px;
    border-radius: 6px;
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    border: none;
    transition: all .25s ease;
}
.btn--primary {
    background: var(--color-primary);
    color: #fff;
}
.btn--primary:hover {
    background: var(--color-primary-dark);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(var(--color-primary-rgb), .35);
}
.btn--whatsapp {
    background: var(--color-whatsapp);
    color: #fff;
    padding: 14px 28px;
}
.btn--whatsapp:hover {
    background: #1EB954;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 4px 16px rgba(37, 211, 102, .35);
}

/* ===========================
   HEADER
   =========================== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: var(--header-height);
    z-index: 1000;
    background: rgba(255, 255, 255, .95);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid transparent;
    transition: border-color .3s, box-shadow .3s;
}
.header--scrolled {
    border-bottom-color: #e0e0e0;
    box-shadow: 0 2px 12px rgba(0,0,0,.06);
}
.header__inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}
.header__logo img {
    height: 44px;
    width: auto;
}
.header__nav {
    display: flex;
    gap: 32px;
}
.header__nav a {
    font-size: .95rem;
    font-weight: 500;
    color: var(--color-text);
    position: relative;
    padding: 4px 0;
}
.header__nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--color-primary);
    transition: width .25s;
}
.header__nav a:hover { color: var(--color-primary); }
.header__nav a:hover::after { width: 100%; }

.header__hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}
.header__hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-dark);
    border-radius: 2px;
    transition: all .3s;
}

/* ===========================
   HERO
   =========================== */
.hero {
    position: relative;
    min-height: 85vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--color-dark) 0%, #16213e 100%);
    overflow: hidden;
    margin-top: var(--header-height);
}
.hero::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 700px;
    height: 700px;
    border-radius: 50%;
    background: rgba(var(--color-primary-rgb), .12);
    pointer-events: none;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 500px;
    height: 500px;
    border-radius: 50%;
    background: rgba(var(--color-primary-rgb), .08);
    pointer-events: none;
}
.hero__slider {
    position: relative;
    width: 100%;
}
.hero__slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    opacity: 0;
    transition: opacity .8s ease;
    pointer-events: none;
}
.hero__slide--active {
    position: relative;
    opacity: 1;
    pointer-events: auto;
}
.hero__content {
    position: relative;
    z-index: 2;
    max-width: 680px;
    padding: 80px 0;
}
.hero__content h1 {
    font-family: var(--font-heading);
    font-size: 3.2rem;
    font-weight: 700;
    color: #fff;
    line-height: 1.15;
    margin-bottom: 20px;
}
.hero__content p {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, .8);
    margin-bottom: 32px;
    line-height: 1.7;
}
.hero__dots {
    position: absolute;
    bottom: 32px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}
.hero__dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, .35);
    border: none;
    cursor: pointer;
    transition: all .3s;
}
.hero__dot--active {
    background: var(--color-primary);
    transform: scale(1.2);
}

/* ===========================
   ABOUT
   =========================== */
.about {
    padding: 100px 0;
    background: var(--color-bg);
}
.about__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}
.about__label {
    display: inline-block;
    font-size: .8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--color-primary);
    margin-bottom: 12px;
}
.about__text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    line-height: 1.25;
    margin-bottom: 20px;
}
.about__text p {
    color: var(--color-text-light);
    margin-bottom: 16px;
}
.about__motto {
    color: var(--color-primary) !important;
    font-size: 1.1rem;
    margin-top: 8px;
}
.about__image {
    position: relative;
}
.about__image img {
    border-radius: 12px;
    width: 100%;
    height: 420px;
    object-fit: cover;
    background: var(--color-primary-light);
}
.about__card {
    position: absolute;
    bottom: -24px;
    left: -24px;
    background: #fff;
    border-radius: 10px;
    padding: 20px 24px;
    box-shadow: 0 8px 30px rgba(0,0,0,.1);
    max-width: 300px;
}
.about__card h3 {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 6px;
}
.about__card p {
    font-size: .85rem;
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ===========================
   SERVICES
   =========================== */
.services {
    padding: 100px 0;
    background: var(--color-bg-alt);
}
.services__grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}

/* --- FLIP CARDS --- */
.flip-card {
    perspective: 1000px;
    height: 380px;
    cursor: pointer;
}
.flip-card__inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.7s cubic-bezier(.4,.2,.2,1);
    transform-style: preserve-3d;
}
.flip-card.flipped .flip-card__inner {
    transform: rotateY(180deg);
}
.flip-card__front,
.flip-card__back {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    backface-visibility: hidden;
    -webkit-backface-visibility: hidden;
    border-radius: 14px;
    overflow: hidden;
}

/* FRONT */
.flip-card__front {
    background: #fff;
    border: 1px solid #eee;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 32px 24px;
    transition: box-shadow .3s;
}
.flip-card:hover .flip-card__front {
    box-shadow: 0 12px 36px rgba(0,0,0,.08);
}
.flip-card__img {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    transition: transform .4s ease;
}
.flip-card:hover .flip-card__img {
    transform: scale(1.06);
}
.flip-card__front h3 {
    font-family: var(--font-heading);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 12px;
    line-height: 1.3;
}
.flip-card__hint {
    font-size: .8rem;
    color: #aaa;
    margin-top: auto;
    letter-spacing: .5px;
}

/* BACK */
.flip-card__back {
    background: var(--color-dark);
    color: #fff;
    transform: rotateY(180deg);
    display: flex;
    flex-direction: column;
    justify-content: center;
    padding: 36px 32px;
}
.flip-card__back h3 {
    font-family: var(--font-heading);
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 14px;
    line-height: 1.3;
}
.flip-card__back p {
    font-size: .92rem;
    color: rgba(255,255,255,.75);
    margin-bottom: 16px;
    line-height: 1.6;
}
.flip-card__back ul {
    margin-bottom: 20px;
}
.flip-card__back li {
    position: relative;
    padding-left: 18px;
    font-size: .88rem;
    color: rgba(255,255,255,.8);
    margin-bottom: 8px;
    line-height: 1.4;
}
.flip-card__back li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 7px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--color-primary);
}
.services__link {
    font-weight: 600;
    font-size: .95rem;
    color: var(--color-primary);
    margin-top: auto;
}
.services__link:hover {
    color: #fff;
}

/* ===========================
   CLIENTS
   =========================== */
.clients {
    padding: 100px 0;
    background: var(--color-bg);
}
.clients__grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}
.clients__logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    background: var(--color-bg-alt);
    border-radius: 8px;
    border: 1px solid #eee;
    transition: box-shadow .2s;
}
.clients__logo:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,.06);
}
.clients__logo span {
    font-size: .8rem;
    color: #aaa;
    font-weight: 500;
}

/* ===========================
   TESTIMONIALS
   =========================== */
.testimonials {
    padding: 100px 0;
    background: var(--color-dark);
    color: #fff;
}
.testimonials .section-label { color: var(--color-primary); }
.testimonials .section-title { color: #fff; }
.testimonials__carousel {
    position: relative;
    overflow: hidden;
}
.testimonials__track {
    display: flex;
    transition: transform .5s ease;
}
.testimonials__item {
    min-width: 100%;
    padding: 0 40px;
}
.testimonials__quote {
    font-size: 1.25rem;
    font-style: italic;
    color: rgba(255,255,255,.85);
    line-height: 1.8;
    margin-bottom: 28px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
    text-align: center;
}
.testimonials__author {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
}
.testimonials__avatar {
    width: 52px;
    height: 52px;
    border-radius: 50%;
    background: rgba(var(--color-primary-rgb), .3);
}
.testimonials__author strong {
    display: block;
    font-size: .95rem;
}
.testimonials__author span {
    font-size: .85rem;
    color: rgba(255,255,255,.6);
}
.testimonials__nav {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 36px;
}
.testimonials__btn {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    border: 2px solid rgba(255,255,255,.3);
    background: transparent;
    color: #fff;
    font-size: 1.1rem;
    cursor: pointer;
    transition: all .25s;
}
.testimonials__btn:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
}

/* ===========================
   CONTACT
   =========================== */
.contact {
    padding: 100px 0;
    background: var(--color-bg-alt);
}
.contact__inner {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}
.contact__text h2 {
    font-family: var(--font-heading);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-dark);
    margin-bottom: 8px;
}
.contact__subtitle {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 16px;
}
.contact__text > p {
    color: var(--color-text-light);
    margin-bottom: 24px;
}
.contact__info {
    margin-bottom: 28px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.contact__item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--color-text);
    font-size: .95rem;
}
.contact__item svg { color: var(--color-primary); flex-shrink: 0; }
.contact__item a { color: var(--color-text); }
.contact__item a:hover { color: var(--color-primary); }

.contact__form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.contact__form input,
.contact__form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid #ddd;
    border-radius: 8px;
    font-family: var(--font-body);
    font-size: .95rem;
    color: var(--color-text);
    background: #fff;
    transition: border-color .2s;
    outline: none;
}
.contact__form input:focus,
.contact__form textarea:focus {
    border-color: var(--color-primary);
}
.contact__form textarea { resize: vertical; }

/* ===========================
   FOOTER
   =========================== */
.footer {
    background: #111827;
    color: rgba(255,255,255,.7);
    padding-top: 64px;
}
.footer__inner {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}
.footer__logo {
    height: 40px;
    width: auto;
    margin-bottom: 12px;
    filter: brightness(0) invert(1);
}
.footer__brand p {
    font-size: .9rem;
    margin-bottom: 6px;
}
.footer__motto {
    color: var(--color-primary);
    font-weight: 600;
    font-size: .85rem;
}
.footer h4 {
    font-family: var(--font-heading);
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 14px;
}
.footer__contact a {
    color: rgba(255,255,255,.7);
    display: block;
    margin-bottom: 8px;
    font-size: .9rem;
}
.footer__contact a:hover { color: var(--color-primary); }
.footer__social-links {
    display: flex;
    gap: 14px;
}
.footer__social-links a {
    color: rgba(255,255,255,.5);
    transition: color .2s;
}
.footer__social-links a:hover { color: var(--color-primary); }
.footer__bottom {
    border-top: 1px solid rgba(255,255,255,.1);
    padding: 20px 0;
    text-align: center;
    font-size: .8rem;
}

/* ===========================
   WHATSAPP FLOATING
   =========================== */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: var(--color-whatsapp);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 20px rgba(37, 211, 102, .4);
    z-index: 999;
    transition: transform .3s, box-shadow .3s;
}
.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 28px rgba(37, 211, 102, .55);
    color: #fff;
}

/* ===========================
   RESPONSIVE
   =========================== */
@media (max-width: 1024px) {
    .hero__content h1 { font-size: 2.6rem; }
    .services__grid { grid-template-columns: repeat(2, 1fr); }
    .flip-card { height: 360px; }
    .clients__grid { grid-template-columns: repeat(3, 1fr); }
    .footer__inner { grid-template-columns: 1fr 1fr; gap: 32px; }
}

@media (max-width: 768px) {
    .header__nav {
        display: none;
        position: absolute;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 24px;
        gap: 20px;
        box-shadow: 0 8px 24px rgba(0,0,0,.08);
    }
    .header__nav--open { display: flex; }
    .header__hamburger { display: flex; }
    .header__hamburger--open span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
    .header__hamburger--open span:nth-child(2) { opacity: 0; }
    .header__hamburger--open span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }

    .hero { min-height: 70vh; }
    .hero__content h1 { font-size: 2rem; }
    .hero__content p { font-size: 1rem; }

    .about__inner { grid-template-columns: 1fr; gap: 40px; }
    .about__card { position: relative; bottom: auto; left: auto; margin-top: -20px; }

    .section-title { font-size: 1.75rem; margin-bottom: 36px; }
    .services__grid { grid-template-columns: 1fr; }
    .flip-card { height: 340px; }
    .clients__grid { grid-template-columns: repeat(2, 1fr); }

    .contact__inner { grid-template-columns: 1fr; gap: 40px; }
    .footer__inner { grid-template-columns: 1fr; gap: 28px; }
}

@media (max-width: 480px) {
    .hero__content h1 { font-size: 1.7rem; }
    .btn { padding: 12px 24px; font-size: .9rem; }
}