/* ================================================================
   Imigrando Website — Main Stylesheet
   Palette: Navy (#0B1D3A) + Teal (#0C99A5) + Warm (#F5F0EA)
   Typography: Inter (body) + Playfair Display (headings)
   ================================================================ */

/* ── CSS Variables ── */
:root {
    --color-primary: #0B1D3A;
    --color-primary-light: #132B52;
    --color-accent: #0C99A5;
    --color-accent-dark: #0A7F89;
    --color-accent-light: #E8F7F8;
    --color-warm: #F5F0EA;
    --color-warm-dark: #E8DFD4;
    --color-white: #FFFFFF;
    --color-text: #2D3748;
    --color-text-light: #718096;
    --color-text-muted: #A0AEC0;
    --color-border: #E2E8F0;
    --color-success: #38A169;
    --color-error: #E53E3E;
    --color-whatsapp: #25D366;

    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-heading: 'Playfair Display', Georgia, serif;

    --radius-sm: 6px;
    --radius-md: 10px;
    --radius-lg: 16px;
    --radius-xl: 24px;

    --shadow-sm: 0 1px 3px rgba(11,29,58,0.08);
    --shadow-md: 0 4px 12px rgba(11,29,58,0.1);
    --shadow-lg: 0 8px 30px rgba(11,29,58,0.12);
    --shadow-xl: 0 16px 50px rgba(11,29,58,0.15);

    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --container-max: 1200px;
    --header-height: 72px;
}

/* ── Reset ── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.7;
    color: var(--color-text);
    background: var(--color-white);
    -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--color-accent); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--color-accent-dark); }
ul, ol { list-style: none; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea, select { font-family: inherit; font-size: inherit; }

/* ── Skip Link ── */
.skip-link {
    position: absolute; top: -40px; left: 0;
    background: var(--color-primary); color: #fff;
    padding: 8px 16px; z-index: 9999;
    transition: top var(--transition);
}
.skip-link:focus { top: 0; }

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

/* ── Buttons ── */
.btn {
    display: inline-flex; align-items: center; gap: 8px;
    padding: 12px 28px; border-radius: var(--radius-sm);
    font-weight: 600; font-size: 0.95rem;
    transition: all var(--transition);
    text-align: center; white-space: nowrap;
}
.btn--primary {
    background: var(--color-accent); color: var(--color-white);
    box-shadow: 0 2px 8px rgba(12,153,165,0.3);
}
.btn--primary:hover {
    background: var(--color-accent-dark); color: var(--color-white);
    box-shadow: 0 4px 16px rgba(12,153,165,0.4);
    transform: translateY(-1px);
}
.btn--outline {
    border: 2px solid var(--color-accent); color: var(--color-accent);
    background: transparent;
}
.btn--outline:hover {
    background: var(--color-accent); color: var(--color-white);
}
.btn--white {
    background: var(--color-white); color: var(--color-primary);
}
.btn--white:hover {
    background: var(--color-warm); color: var(--color-primary);
}
.btn--lg { padding: 16px 36px; font-size: 1.05rem; }

/* ── Top Bar ── */
.top-bar {
    background: var(--color-primary);
    color: rgba(255,255,255,0.8);
    font-size: 0.85rem;
    padding: 6px 0;
}
.top-bar__inner { display: flex; align-items: center; justify-content: space-between; }
.top-bar__contact { display: flex; gap: 20px; }
.top-bar__link {
    color: rgba(255,255,255,0.8); display: inline-flex; align-items: center; gap: 6px;
}
.top-bar__link:hover { color: #fff; }
.top-bar__link svg { flex-shrink: 0; }

/* ── Language Switcher ── */
.lang-switcher { position: relative; }
.lang-switcher__btn {
    display: flex; align-items: center; gap: 6px;
    color: rgba(255,255,255,0.8); font-size: 0.85rem;
    padding: 4px 8px; border-radius: var(--radius-sm);
}
.lang-switcher__btn:hover { color: #fff; }
.lang-switcher__flag { font-size: 1.1em; }
.lang-switcher__chevron { transition: transform var(--transition); }
.lang-switcher--open .lang-switcher__chevron { transform: rotate(180deg); }
.lang-switcher__menu {
    position: absolute; right: 0; top: calc(100% + 6px);
    background: var(--color-white); border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg); min-width: 160px;
    opacity: 0; visibility: hidden; transform: translateY(-8px);
    transition: all var(--transition); z-index: 100;
    overflow: hidden;
}
.lang-switcher--open .lang-switcher__menu {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.lang-switcher__menu li a {
    display: flex; align-items: center; gap: 8px;
    padding: 10px 16px; color: var(--color-text);
    font-size: 0.9rem;
}
.lang-switcher__menu li a:hover { background: var(--color-warm); }
.lang-switcher__item--active a { background: var(--color-accent-light); color: var(--color-accent); font-weight: 600; }

/* ── Header ── */
.header {
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    position: relative; z-index: 50;
    transition: all var(--transition);
}
.header--sticky {
    position: fixed; top: 0; left: 0; right: 0;
    box-shadow: var(--shadow-md);
    animation: slideDown 0.3s ease;
}
@keyframes slideDown { from { transform: translateY(-100%); } to { transform: translateY(0); } }

.header__inner {
    display: flex; align-items: center; justify-content: space-between;
    height: var(--header-height);
}
.header__logo-img { height: 42px; width: auto; }

/* ── Navigation ── */
.header__nav { display: flex; align-items: center; gap: 8px; }
.nav { display: flex; align-items: center; gap: 4px; }
.nav__link {
    display: inline-flex; align-items: center; gap: 4px;
    padding: 8px 14px; color: var(--color-text);
    font-weight: 500; font-size: 0.93rem;
    border-radius: var(--radius-sm);
    transition: all var(--transition);
}
.nav__link:hover { color: var(--color-accent); background: var(--color-accent-light); }
.nav__link--active { color: var(--color-accent); }
.nav__chevron { transition: transform var(--transition); margin-left: 2px; }

/* Dropdown */
.nav__item--dropdown { position: relative; }
.nav__dropdown {
    position: absolute; top: 100%; left: 0;
    background: var(--color-white);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-lg);
    min-width: 240px; padding: 8px 0;
    opacity: 0; visibility: hidden; transform: translateY(-4px);
    transition: all var(--transition);
    z-index: 60;
}
.nav__item--dropdown:hover .nav__dropdown,
.nav__item--open .nav__dropdown {
    opacity: 1; visibility: visible; transform: translateY(0);
}
.nav__item--dropdown:hover .nav__chevron { transform: rotate(180deg); }
.nav__dropdown a {
    display: block; padding: 10px 20px;
    color: var(--color-text); font-size: 0.9rem; font-weight: 400;
}
.nav__dropdown a:hover { background: var(--color-accent-light); color: var(--color-accent); }

/* Mobile Toggle */
.header__toggle { display: none; width: 28px; height: 24px; position: relative; }
.header__toggle span {
    display: block; position: absolute; width: 100%; height: 2px;
    background: var(--color-primary); border-radius: 2px;
    transition: all var(--transition);
}
.header__toggle span:nth-child(1) { top: 2px; }
.header__toggle span:nth-child(2) { top: 11px; }
.header__toggle span:nth-child(3) { top: 20px; }
.header__toggle[aria-expanded="true"] span:nth-child(1) { transform: rotate(45deg); top: 11px; }
.header__toggle[aria-expanded="true"] span:nth-child(2) { opacity: 0; }
.header__toggle[aria-expanded="true"] span:nth-child(3) { transform: rotate(-45deg); top: 11px; }

.header__cta { margin-left: 12px; }

/* ── Hero ── */
.hero {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    color: var(--color-white);
    padding: 100px 0 80px;
    position: relative; overflow: hidden;
}
.hero::before {
    content: '';
    position: absolute; top: -50%; right: -20%;
    width: 600px; height: 600px;
    background: radial-gradient(circle, rgba(12,153,165,0.15) 0%, transparent 70%);
    border-radius: 50%;
}
.hero__inner { position: relative; z-index: 1; max-width: 720px; }
.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2.2rem, 5vw, 3.5rem);
    font-weight: 700; line-height: 1.15;
    margin-bottom: 20px;
}
.hero__subtitle {
    font-size: 1.15rem; line-height: 1.7;
    color: rgba(255,255,255,0.85);
    margin-bottom: 32px; max-width: 560px;
}
.hero__actions { display: flex; gap: 16px; flex-wrap: wrap; }

/* ── Section Common ── */
.section { padding: 80px 0; }
.section--warm { background: var(--color-warm); }
.section--primary { background: var(--color-primary); color: var(--color-white); }
.section__header { text-align: center; max-width: 640px; margin: 0 auto 48px; }
.section__title {
    font-family: var(--font-heading);
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--color-primary); font-weight: 700;
    margin-bottom: 12px;
}
.section--primary .section__title { color: var(--color-white); }
.section__subtitle { color: var(--color-text-light); font-size: 1.05rem; }

/* ── Goal Cards (What is your goal?) ── */
.goals { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 24px; }
.goal-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
    text-align: center;
}
.goal-card:hover {
    border-color: var(--color-accent);
    box-shadow: var(--shadow-lg);
    transform: translateY(-4px);
}
.goal-card__icon {
    width: 64px; height: 64px; margin: 0 auto 20px;
    background: var(--color-accent-light);
    border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
}
.goal-card__icon svg { color: var(--color-accent); }
.goal-card__title {
    font-family: var(--font-heading);
    font-size: 1.25rem; color: var(--color-primary);
    margin-bottom: 10px;
}
.goal-card__desc { color: var(--color-text-light); font-size: 0.93rem; margin-bottom: 16px; }

/* ── Services Grid ── */
.services-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(320px, 1fr)); gap: 28px; }
.service-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.service-card:hover {
    box-shadow: var(--shadow-lg);
    transform: translateY(-3px);
}
.service-card__body { padding: 28px; }
.service-card__tag {
    display: inline-block;
    background: var(--color-accent-light); color: var(--color-accent);
    padding: 4px 12px; border-radius: 20px;
    font-size: 0.8rem; font-weight: 600;
    margin-bottom: 12px;
}
.service-card__title {
    font-family: var(--font-heading);
    font-size: 1.3rem; color: var(--color-primary);
    margin-bottom: 10px;
}
.service-card__text { color: var(--color-text-light); font-size: 0.93rem; margin-bottom: 16px; }

/* ── Testimonials ── */
.testimonials-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.testimonial-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    padding: 32px; border: 1px solid var(--color-border);
}
.testimonial-card__stars { color: #F6AD55; margin-bottom: 16px; font-size: 1.1rem; }
.testimonial-card__text {
    color: var(--color-text); font-size: 0.95rem;
    line-height: 1.7; margin-bottom: 20px;
    font-style: italic;
}
.testimonial-card__author {
    display: flex; align-items: center; gap: 12px;
}
.testimonial-card__avatar {
    width: 44px; height: 44px; border-radius: 50%;
    background: var(--color-accent-light); color: var(--color-accent);
    display: flex; align-items: center; justify-content: center;
    font-weight: 700; font-size: 1.1rem;
}
.testimonial-card__name { font-weight: 600; color: var(--color-primary); font-size: 0.93rem; }
.testimonial-card__origin { color: var(--color-text-muted); font-size: 0.85rem; }

/* ── Blog Cards ── */
.blog-filter { display: flex; gap: 8px; justify-content: center; margin-bottom: 32px; flex-wrap: wrap; }
.blog-filter__btn {
    padding: 8px 20px; border-radius: 20px;
    font-size: 0.9rem; font-weight: 500;
    color: var(--color-text-light);
    border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.blog-filter__btn:hover,
.blog-filter__btn--active {
    background: var(--color-accent); color: var(--color-white);
    border-color: var(--color-accent);
}

.blog-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(340px, 1fr)); gap: 28px; }
.blog-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden; border: 1px solid var(--color-border);
    transition: all var(--transition);
}
.blog-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-3px); }
.blog-card__image {
    height: 200px; background: var(--color-warm);
    display: flex; align-items: center; justify-content: center;
    overflow: hidden;
}
.blog-card__image img { width: 100%; height: 100%; object-fit: cover; }
.blog-card__body { padding: 24px; }
.blog-card__meta {
    display: flex; align-items: center; gap: 12px;
    margin-bottom: 12px; font-size: 0.8rem; color: var(--color-text-muted);
}
.blog-card__category {
    display: inline-block;
    background: var(--color-accent-light); color: var(--color-accent);
    padding: 2px 10px; border-radius: 12px;
    font-size: 0.75rem; font-weight: 600; text-transform: uppercase;
}
.blog-card__title {
    font-family: var(--font-heading);
    font-size: 1.15rem; color: var(--color-primary);
    margin-bottom: 8px; line-height: 1.35;
}
.blog-card__title a { color: inherit; }
.blog-card__title a:hover { color: var(--color-accent); }
.blog-card__excerpt { color: var(--color-text-light); font-size: 0.9rem; line-height: 1.6; margin-bottom: 16px; }
.blog-card__link { font-weight: 600; font-size: 0.9rem; color: var(--color-accent); }
.blog-card__link:hover { color: var(--color-accent-dark); }

/* Blog post single */
.post-content { max-width: 760px; margin: 0 auto; }
.post-content h2 { font-family: var(--font-heading); font-size: 1.6rem; color: var(--color-primary); margin: 36px 0 16px; }
.post-content h3 { font-size: 1.2rem; color: var(--color-primary); margin: 28px 0 12px; }
.post-content p { margin-bottom: 18px; }
.post-content ul, .post-content ol { margin: 0 0 18px 24px; }
.post-content ul { list-style: disc; }
.post-content ol { list-style: decimal; }
.post-content li { margin-bottom: 6px; }
.post-content blockquote {
    border-left: 4px solid var(--color-accent);
    padding: 16px 24px; margin: 24px 0;
    background: var(--color-accent-light);
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--color-primary);
}
.post-content strong { color: var(--color-primary); }

/* ── Contact Form ── */
.contact-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: start; }
.form { display: flex; flex-direction: column; gap: 20px; }
.form__group { display: flex; flex-direction: column; gap: 6px; }
.form__label { font-weight: 600; font-size: 0.9rem; color: var(--color-primary); }
.form__input, .form__select, .form__textarea {
    padding: 12px 16px; border: 1px solid var(--color-border);
    border-radius: var(--radius-sm); font-size: 0.95rem;
    transition: border-color var(--transition);
    background: var(--color-white);
}
.form__input:focus, .form__select:focus, .form__textarea:focus {
    outline: none; border-color: var(--color-accent);
    box-shadow: 0 0 0 3px rgba(12,153,165,0.1);
}
.form__textarea { min-height: 120px; resize: vertical; }

.contact-info { padding: 36px; background: var(--color-primary); border-radius: var(--radius-lg); color: var(--color-white); }
.contact-info__title { font-family: var(--font-heading); font-size: 1.5rem; margin-bottom: 20px; }
.contact-info__item {
    display: flex; align-items: flex-start; gap: 14px;
    margin-bottom: 24px; color: rgba(255,255,255,0.85);
}
.contact-info__item svg { flex-shrink: 0; margin-top: 2px; color: var(--color-accent); }

/* ── Footer ── */
.footer { background: var(--color-primary); color: rgba(255,255,255,0.8); padding: 64px 0 0; }
.footer__grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 48px;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}
.footer__logo img { margin-bottom: 16px; filter: brightness(0) invert(1); }
.footer__tagline { font-size: 0.9rem; line-height: 1.6; margin-bottom: 20px; }
.footer__social { display: flex; gap: 12px; }
.footer__social-link {
    width: 38px; height: 38px; border-radius: 50%;
    border: 1px solid rgba(255,255,255,0.2);
    display: flex; align-items: center; justify-content: center;
    color: rgba(255,255,255,0.7);
    transition: all var(--transition);
}
.footer__social-link:hover { background: var(--color-accent); border-color: var(--color-accent); color: #fff; }
.footer__heading {
    color: var(--color-white); font-weight: 700;
    font-size: 0.95rem; margin-bottom: 20px;
    text-transform: uppercase; letter-spacing: 0.5px;
}
.footer__links { display: flex; flex-direction: column; gap: 10px; }
.footer__links a { color: rgba(255,255,255,0.7); font-size: 0.9rem; }
.footer__links a:hover { color: var(--color-accent); }
.footer__links--contact li {
    display: flex; align-items: center; gap: 10px;
    font-size: 0.9rem;
}
.footer__links--contact svg { flex-shrink: 0; color: var(--color-accent); }
.footer__bottom {
    display: flex; align-items: center; justify-content: space-between;
    padding: 24px 0; font-size: 0.85rem; color: rgba(255,255,255,0.5);
}
.footer__legal { display: flex; gap: 20px; }
.footer__legal a { color: rgba(255,255,255,0.5); }
.footer__legal a:hover { color: var(--color-accent); }

/* ── WhatsApp Float ── */
.whatsapp-float {
    position: fixed; bottom: 24px; right: 24px;
    width: 56px; height: 56px; z-index: 999;
    background: var(--color-whatsapp); border-radius: 50%;
    display: flex; align-items: center; justify-content: center;
    box-shadow: 0 4px 16px rgba(37,211,102,0.4);
    transition: all var(--transition);
}
.whatsapp-float:hover { transform: scale(1.1); box-shadow: 0 6px 24px rgba(37,211,102,0.5); }

/* ── Fade-in Animation ── */
.fade-in { opacity: 0; transform: translateY(20px); transition: all 0.6s ease; }
.fade-in--visible { opacity: 1; transform: translateY(0); }

/* ── About Page ── */
.team-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 28px; }
.team-card {
    background: var(--color-white);
    border-radius: var(--radius-lg);
    overflow: hidden; border: 1px solid var(--color-border);
    text-align: center; transition: all var(--transition);
}
.team-card:hover { box-shadow: var(--shadow-lg); }
.team-card__photo {
    height: 240px; background: var(--color-warm);
    display: flex; align-items: center; justify-content: center;
}
.team-card__body { padding: 20px; }
.team-card__name { font-family: var(--font-heading); font-size: 1.15rem; color: var(--color-primary); }
.team-card__role { color: var(--color-accent); font-size: 0.85rem; font-weight: 600; margin-bottom: 8px; }
.team-card__bio { color: var(--color-text-light); font-size: 0.88rem; }

/* ── Responsive ── */
@media (max-width: 1023px) {
    .header__toggle { display: block; }
    .header__nav {
        position: fixed; top: 0; right: -100%; width: 320px; height: 100vh;
        background: var(--color-white);
        flex-direction: column; align-items: stretch;
        padding: 80px 24px 24px;
        box-shadow: var(--shadow-xl);
        transition: right var(--transition);
        overflow-y: auto;
    }
    .header__nav--open { right: 0; }
    .nav { flex-direction: column; align-items: stretch; gap: 0; }
    .nav__link { padding: 14px 16px; font-size: 1rem; }
    .nav__dropdown {
        position: static; box-shadow: none; opacity: 1; visibility: visible;
        transform: none; display: none; padding-left: 16px;
    }
    .nav__item--open .nav__dropdown { display: block; }
    .header__cta { margin-left: 0; margin-top: 16px; text-align: center; }
    .top-bar__contact { display: none; }

    .hero { padding: 60px 0 50px; }
    .footer__grid { grid-template-columns: 1fr 1fr; gap: 32px; }
    .contact-grid { grid-template-columns: 1fr; }
}

@media (max-width: 639px) {
    .hero__title { font-size: 1.8rem; }
    .hero__actions { flex-direction: column; }
    .footer__grid { grid-template-columns: 1fr; gap: 28px; }
    .footer__bottom { flex-direction: column; gap: 12px; text-align: center; }
    .blog-grid { grid-template-columns: 1fr; }
    .goals { grid-template-columns: 1fr; }
}