:root {
    /* Color Palette */
    --color-green: #0f4c45;
    --color-green-dark: #0a3530;
    --color-gold: #f2b705;
    --color-gold-hover: #d9a404;
    --color-bg-light: #fcfcfb;
    --color-bg-alt: #f4f5f3;
    --color-text-dark: #1a1a1a;
    --color-text-muted: #5e6b69;
    --color-white: #ffffff;
    --color-border: #e2e8e6;

    /* Typography */
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Inter', sans-serif;

    /* Spacing & Utilities */
    --space-sm: 1rem;
    --space-md: 2.5rem;
    --space-lg: 5rem;
    --space-xl: 8rem;
    --transition: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

/* Typography Base */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 600;
    line-height: 1.1;
    color: var(--color-text-dark);
}

h1 em,
h2 span {
    font-style: italic;
    font-weight: 400;
}

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

/* Layout Containers */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 2rem;
}

.container-narrow {
    max-width: 900px;
}

.text-center {
    text-align: center;
}

/* Utilities */
.eyebrow {
    display: inline-block;
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    font-weight: 600;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    position: relative;
    padding-left: 2rem;
}

.eyebrow::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 1.5rem;
    height: 1px;
    background-color: var(--color-gold);
}

.eyebrow.center {
    padding-left: 0;
    padding-bottom: 0.5rem;
}

.eyebrow.center::before {
    display: none;
}

/* Base Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.5rem;
    font-size: 0.9rem;
    font-weight: 500;
    letter-spacing: 0.05em;
    border-radius: 2px;
    cursor: pointer;
    font-family: var(--font-body);
}

.btn-primary {
    background-color: var(--color-green);
    color: var(--color-white);
    border: 1px solid var(--color-green);
}

.btn-primary:hover {
    background-color: var(--color-green-dark);
    color: var(--color-white);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-green);
    border: 1px solid var(--color-green);
}

.btn-secondary:hover {
    background-color: var(--color-bg-alt);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-text-dark);
    border: 1px solid var(--color-border);
}

.btn-outline:hover {
    border-color: var(--color-green);
    color: var(--color-green);
}

.gold-btn {
    background-color: var(--color-gold);
    color: var(--color-green-dark);
    border-color: var(--color-gold);
    font-weight: 600;
}

.gold-btn:hover {
    background-color: var(--color-gold-hover);
    border-color: var(--color-gold-hover);
}

/* Header / Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    border-bottom: 1px solid rgba(226, 232, 230, 0.4);
    background: rgba(252, 252, 251, 0.9);
    backdrop-filter: blur(10px);
}

.navbar .container {
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.navbar .logo {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.05em;
    color: var(--color-green);
}

.navbar .logo span {
    color: var(--color-gold);
    font-style: italic;
}

.navbar nav {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.navbar nav a {
    font-size: 0.85rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.navbar nav a:last-child {
    border-bottom: 1px solid var(--color-gold);
    padding-bottom: 2px;
}

/* HERO SECTION */
.hero {
    position: relative;
    padding-top: 180px;
    padding-bottom: 120px;
    min-height: 90vh;
    display: flex;
    align-items: center;
    background-color: var(--color-green);
}

.hero-content {
    max-width: 800px;
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: clamp(3rem, 6vw, 4.5rem);
    margin-bottom: 1.5rem;
    color: var(--color-white);
    letter-spacing: -0.02em;
}

.hero-title em {
    color: var(--color-gold);
}

.hero-subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin-bottom: 3rem;
    font-weight: 300;
}

.hero-actions {
    display: flex;
    gap: 1.5rem;
}

/* A QUESTÃO CENTRAL */
.problem-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-green-dark);
    color: var(--color-white);
}

.problem-header {
    text-align: center;
    margin-bottom: var(--space-lg);
}

.problem-header .section-title {
    color: var(--color-white);
    font-size: clamp(2.5rem, 4vw, 3.5rem);
}

.problem-header .section-title span {
    color: var(--color-gold);
}

.problem-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 3rem;
    margin-top: 4rem;
}

.problem-item {
    position: relative;
    padding-top: 2rem;
}

.line-decorator {
    position: absolute;
    top: 0;
    left: 0;
    width: 40px;
    height: 1px;
    background-color: var(--color-gold);
    opacity: 0.6;
}

.problem-item h3 {
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    margin-bottom: 1rem;
    color: var(--color-white);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.problem-item p {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
    font-weight: 300;
}

/* A JORNADA DE ASCENSÃO */
.journey-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-green);
}

.section-header {
    margin-bottom: var(--space-xl);
}

.section-desc {
    font-size: 1.15rem;
    color: rgba(255, 255, 255, 0.8);
    max-width: 600px;
    margin: 1.5rem auto 0;
    font-weight: 300;
}

.journey-section .section-title {
    font-size: clamp(2.5rem, 4vw, 3.5rem);
    color: var(--color-white);
}

.timeline {
    position: relative;
    max-width: 1200px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

/* Timeline central vertical line */
.timeline::before {
    display: none;
}

.timeline-item {
    display: flex;
    flex-direction: column;
    position: relative;
    margin-bottom: 0;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-item.timeline-inverted {
    justify-content: flex-start;
    padding-right: 0;
    padding-left: 0;
}

.timeline-marker {
    display: inline-block;
    background-color: var(--color-bg-light);
    border: 1px solid var(--color-border);
    padding: 0.5rem 1rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--color-text-muted);
    z-index: 2;
    align-self: flex-start;
    margin-bottom: -1rem;
    margin-left: 2rem;
    position: relative;
}

.gold-marker {
    background-color: var(--color-gold);
    color: var(--color-green-dark);
    border-color: var(--color-gold);
}

.timeline-content {
    width: 100%;
    background-color: var(--color-white);
    padding: 3rem 2rem;
    border: 1px solid var(--color-border);
    position: relative;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.timeline-item:not(.timeline-inverted) .timeline-content {
    margin-right: 0;
}

.timeline-item.timeline-inverted .timeline-content {
    margin-left: 0;
}

.level-1-content {
    background-color: var(--color-white);
}

.level-2-content {
    background-color: rgba(200, 230, 201, 1);
    /* Light green tint */
    border-color: rgba(15, 76, 69, 0.15);
}

.highlight-content {
    background-color: var(--color-green-dark);
    border-color: var(--color-green-dark);
    color: var(--color-white);
}

.level-label {
    display: block;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 1rem;
    color: var(--color-green);
    font-weight: 600;
}

.gold-text {
    color: var(--color-gold);
}

.level-title {
    font-size: 2rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1.5rem;
    border-bottom: 1px solid var(--color-border);
}

.highlight-content .level-title {
    border-color: rgba(255, 255, 255, 0.1);
    color: var(--color-white);
}

.level-title .subtitle {
    font-family: var(--font-body);
    font-size: 1rem;
    font-weight: 400;
    color: var(--color-text-muted);
    display: block;
    margin-top: 0.75rem;
    line-height: 1.5;
}

.highlight-content .level-title .subtitle {
    color: rgba(255, 255, 255, 0.7);
}

.level-positioning {
    font-size: 0.95rem;
    font-weight: 500;
    margin-bottom: 2rem;
}

.level-features {
    list-style: none;
    margin-bottom: 2.5rem;
}

.level-features li {
    position: relative;
    padding-left: 1.5rem;
    margin-bottom: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

.highlight-content .level-features li {
    color: rgba(255, 255, 255, 0.8);
}

.level-features li::before {
    content: '•';
    position: absolute;
    left: 0;
    color: var(--color-gold);
    font-size: 1.2rem;
    line-height: 1;
}

/* SEÇÃO FINAL – AUTORIDADE */
.authority-section {
    padding: var(--space-xl) 0;
    background-color: var(--color-bg-light);
}

.authority-content {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 3rem;
}

.authority-title {
    font-size: clamp(2rem, 4vw, 3rem);
    color: var(--color-green);
    margin-bottom: 2.5rem;
}

.authority-actions {
    display: flex;
    justify-content: center;
    gap: 1.5rem;
    flex-wrap: wrap;
}

/* FOOTER */
.footer {
    background-color: var(--color-green-dark);
    color: var(--color-white);
    padding: var(--space-lg) 0 2rem;
    text-align: center;
}

.footer-divider {
    width: 1px;
    height: 60px;
    background-color: var(--color-gold);
    margin: 0 auto 3rem;
    opacity: 0.5;
}

.footer-copy {
    font-family: var(--font-heading);
    font-size: clamp(1.5rem, 3vw, 2.5rem);
    line-height: 1.3;
    margin-bottom: 4rem;
    font-style: italic;
    color: rgba(255, 255, 255, 0.6);
}

.footer-copy span {
    font-style: normal;
    color: var(--color-white);
}

.footer-rights {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.4);
    letter-spacing: 0.05em;
    text-transform: uppercase;
}

/* ANIMATIONS */
.fade-up {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

.fade-in {
    opacity: 0;
    transition: opacity 1s ease-out;
}

.visible {
    opacity: 1;
    transform: translateY(0);
}

/* RESPONSIVE */
@media (max-width: 900px) {
    .timeline {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 600px) {
    :root {
        --space-xl: 5rem;
        --space-lg: 3rem;
    }

    .hero-actions {
        flex-direction: column;
    }

    .authority-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
    }
}