/* ----------------------------------------------------
   DESIGN SYSTEM & VARIABLES
---------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #0A7C71;      /* Verde Teal / Esmeralda */
    --color-primary-light: #129B8E;
    --color-primary-dark: #055C53;
    --color-accent: #E5A85A;       /* Dourado Logo */
    --color-accent-hover: #F2BA74;
    --color-bg: #F9F9F9;           /* Off-white */
    --color-bg-alt: #E8E4D9;       /* Areia / Bege Claro */
    --color-text: #333333;         /* Grafite */
    --color-text-light: #666666;
    --color-white: #FFFFFF;

    /* Typography */
    --font-heading: 'Lora', serif;
    --font-body: 'Outfit', sans-serif;

    /* Shadows & Effects */
    --shadow-sm: 0 4px 6px rgba(0,0,0,0.05);
    --shadow-md: 0 10px 15px rgba(0,0,0,0.05);
    --shadow-lg: 0 20px 25px rgba(0,0,0,0.1);
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --border-radius: 8px;
    --border-radius-lg: 16px;
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font-body);
    color: var(--color-text);
    background-color: var(--color-bg);
    line-height: 1.6;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--color-primary-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
    font-weight: 500;
}

p {
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: inherit;
    transition: var(--transition);
}

ul {
    list-style: none;
}

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

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

section {
    padding: 6rem 0;
    position: relative;
}

/* ----------------------------------------------------
   HEADER & NAVIGATION
---------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: var(--color-primary);
    transition: var(--transition);
    padding: 1.5rem 0;
}

.header.scrolled {
    background: var(--color-primary-dark);
    box-shadow: var(--shadow-sm);
    padding: 1rem 0;
}

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

.logo {
    display: flex;
    flex-direction: column;
    text-transform: uppercase;
    font-family: var(--font-heading);
    line-height: 1;
}

.logo-quintas {
    font-size: 1.4rem;
    font-weight: 600;
    color: var(--color-white);
    letter-spacing: 2px;
}

.logo-dos-lagos {
    font-size: 0.8rem;
    color: var(--color-accent);
    letter-spacing: 4px;
}

.header.scrolled .logo-quintas {
    color: var(--color-white);
}

.nav-list {
    display: flex;
    gap: 2.5rem;
}

.nav-link {
    color: var(--color-white);
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding-bottom: 5px;
}

.header.scrolled .nav-link {
    color: var(--color-white);
}

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

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

.d-none-mobile {
    display: inline-flex;
}

/* Mobile Menu Toggle */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    width: 30px;
    height: 20px;
    position: relative;
    z-index: 1001;
}

.hamburger,
.hamburger::before,
.hamburger::after {
    content: '';
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-white);
    position: absolute;
    transition: var(--transition);
}

.header.scrolled .hamburger,
.header.scrolled .hamburger::before,
.header.scrolled .hamburger::after {
    background-color: var(--color-primary-dark);
}

.hamburger {
    top: 50%;
    transform: translateY(-50%);
}

.hamburger::before {
    top: -8px;
}

.hamburger::after {
    bottom: -8px;
}

/* Open state */
.menu-toggle.active .hamburger {
    background-color: transparent !important;
}

.menu-toggle.active .hamburger::before {
    top: 0;
    transform: rotate(45deg);
    background-color: var(--color-primary-dark) !important;
}

.menu-toggle.active .hamburger::after {
    bottom: 0;
    transform: rotate(-45deg);
    background-color: var(--color-primary-dark) !important;
}

/* ----------------------------------------------------
   RESPONSIVE DESIGN (HEADER)
---------------------------------------------------- */
@media (max-width: 992px) {
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 100%;
        height: 100vh;
        background-color: var(--color-white);
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
        transition: var(--transition);
        z-index: 999;
    }

    .nav.nav-open {
        right: 0;
    }

    .nav-list {
        flex-direction: column;
        align-items: center;
        gap: 2rem;
    }

    .nav-link {
        color: var(--color-primary-dark) !important;
        font-size: 1.2rem;
    }

    .menu-toggle {
        display: block;
    }

    .d-none-mobile {
        display: none !important;
    }
}