/* ============================================
   ALTA TRIBUNA - Identidade Visual Premium
   Paleta: Ouro Antigo / Obsidiana / Marfim
   ============================================ */

:root {
    --color-obsidian: #0a0a0a;
    --color-onyx: #141414;
    --color-graphite: #1c1c1c;
    --color-charcoal: #2a2a2a;
    --color-gold: #c9a961;
    --color-gold-light: #e6c989;
    --color-gold-dark: #8a6f3a;
    --color-bronze: #7a5c2e;
    --color-ivory: #f5f1e8;
    --color-pearl: #e8e3d6;
    --color-ash: #8a8578;
    --color-burgundy: #4a1e1e;
    --color-emerald: #1a3d2e;
    
    --font-serif: 'Cormorant Garamond', 'Playfair Display', Georgia, serif;
    --font-sans: 'Inter', 'Helvetica Neue', sans-serif;
    --font-display: 'Playfair Display', 'Cormorant Garamond', serif;
    --font-mono: 'JetBrains Mono', 'Courier New', monospace;
    
    --transition-smooth: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-elegant: cubic-bezier(0.77, 0, 0.175, 1);
    
    --shadow-gold: 0 0 40px rgba(201, 169, 97, 0.15);
    --shadow-deep: 0 30px 80px rgba(0, 0, 0, 0.6);
}

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

html {
    scroll-behavior: smooth;
    background: var(--color-obsidian);
}

body {
    font-family: var(--font-sans);
    background: var(--color-obsidian);
    color: var(--color-ivory);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    font-weight: 300;
    letter-spacing: 0.01em;
}

/* ============ TYPOGRAPHY ============ */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 400;
    letter-spacing: -0.02em;
    line-height: 1.1;
    color: var(--color-ivory);
}

.serif { font-family: var(--font-serif); }
.display { font-family: var(--font-display); }
.mono { font-family: var(--font-mono); font-size: 0.85em; letter-spacing: 0.1em; text-transform: uppercase; }

a {
    color: var(--color-gold);
    text-decoration: none;
    transition: all 0.4s var(--transition-smooth);
}

/* ============ NOISE TEXTURE OVERLAY ============ */
body::before {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 200 200' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4'/%3E%3CfeColorMatrix values='0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0.4 0'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E");
    opacity: 0.04;
    pointer-events: none;
    z-index: 1;
    mix-blend-mode: overlay;
}

/* ============ NAVIGATION ============ */
.alta-nav {
    position: fixed;
    top: 0; left: 0; right: 0;
    z-index: 100;
    padding: 1.5rem 3rem;
    background: rgba(10, 10, 10, 0.85);
    backdrop-filter: blur(20px) saturate(150%);
    -webkit-backdrop-filter: blur(20px) saturate(150%);
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
    transition: all 0.5s var(--transition-smooth);
}

.alta-nav.scrolled {
    padding: 1rem 3rem;
    background: rgba(10, 10, 10, 0.95);
}

.nav-inner {
    max-width: 1600px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.brand {
    display: flex;
    align-items: center;
    gap: 0.85rem;
    text-decoration: none;
}

.brand-mark {
    width: 36px;
    height: 36px;
    border: 1px solid var(--color-gold);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-display);
    color: var(--color-gold);
    font-size: 1.1rem;
    position: relative;
    transition: all 0.4s var(--transition-smooth);
}

.brand-mark::before, .brand-mark::after {
    content: '';
    position: absolute;
    background: var(--color-gold);
    transition: all 0.4s var(--transition-smooth);
}
.brand-mark::before { top: -3px; left: -3px; width: 8px; height: 1px; }
.brand-mark::after { bottom: -3px; right: -3px; width: 8px; height: 1px; }

.brand:hover .brand-mark { background: rgba(201, 169, 97, 0.08); }

.brand-text {
    display: flex;
    flex-direction: column;
    line-height: 1;
}
.brand-name {
    font-family: var(--font-display);
    color: var(--color-ivory);
    font-size: 1.1rem;
    letter-spacing: 0.25em;
    font-weight: 500;
}
.brand-tag {
    font-family: var(--font-sans);
    color: var(--color-gold);
    font-size: 0.6rem;
    letter-spacing: 0.4em;
    margin-top: 4px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2.5rem;
    align-items: center;
}

.nav-links a {
    color: var(--color-pearl);
    font-size: 0.72rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    font-weight: 400;
    position: relative;
    padding: 0.5rem 0;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 1px;
    background: var(--color-gold);
    transition: all 0.4s var(--transition-smooth);
    transform: translateX(-50%);
}

.nav-links a:hover { color: var(--color-gold); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--color-gold); }
.nav-links a.active::after { width: 100%; }

.nav-cta {
    padding: 0.7rem 1.5rem;
    border: 1px solid var(--color-gold);
    color: var(--color-gold) !important;
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    transition: all 0.4s var(--transition-smooth);
    background: transparent;
}
.nav-cta:hover {
    background: var(--color-gold);
    color: var(--color-obsidian) !important;
}
.nav-cta::after { display: none; }

.menu-toggle {
    display: none;
    background: transparent;
    border: none;
    color: var(--color-gold);
    font-size: 1.5rem;
    cursor: pointer;
}

/* ============ HERO ============ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 8rem 2rem 4rem;
}

.hero-bg {
    position: absolute;
    inset: 0;
    background:
        radial-gradient(ellipse at 30% 20%, rgba(201, 169, 97, 0.15) 0%, transparent 50%),
        radial-gradient(ellipse at 70% 80%, rgba(122, 92, 46, 0.1) 0%, transparent 50%),
        linear-gradient(180deg, var(--color-obsidian) 0%, #050505 100%);
    z-index: 0;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(201, 169, 97, 0.03) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 169, 97, 0.03) 1px, transparent 1px);
    background-size: 80px 80px;
    mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 30%, transparent 80%);
}

.hero-content {
    max-width: 1400px;
    width: 100%;
    text-align: center;
    position: relative;
    z-index: 2;
}

.hero-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-gold);
    font-size: 0.7rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    margin-bottom: 3rem;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 0.3s forwards;
}

.hero-eyebrow::before, .hero-eyebrow::after {
    content: '';
    width: 60px;
    height: 1px;
    background: var(--color-gold);
}

.hero h1 {
    font-size: clamp(3rem, 8vw, 7.5rem);
    font-weight: 300;
    letter-spacing: -0.03em;
    line-height: 0.95;
    margin-bottom: 2rem;
    opacity: 0;
    animation: fadeInUp 1.2s var(--transition-smooth) 0.5s forwards;
}

.hero h1 .accent {
    font-style: italic;
    color: var(--color-gold);
    font-weight: 400;
}

.hero h1 .block {
    display: block;
}

.hero-subtitle {
    font-family: var(--font-serif);
    font-size: clamp(1.1rem, 1.8vw, 1.5rem);
    color: var(--color-pearl);
    max-width: 720px;
    margin: 0 auto 3rem;
    line-height: 1.6;
    font-weight: 300;
    font-style: italic;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 0.8s forwards;
}

.hero-meta {
    display: flex;
    justify-content: center;
    gap: 4rem;
    margin-bottom: 4rem;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 1s forwards;
}

.hero-meta-item {
    text-align: center;
}
.hero-meta-label {
    font-size: 0.65rem;
    letter-spacing: 0.4em;
    color: var(--color-ash);
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.hero-meta-value {
    font-family: var(--font-display);
    font-size: 1.1rem;
    color: var(--color-ivory);
    font-style: italic;
}

.hero-cta-row {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    opacity: 0;
    animation: fadeInUp 1s var(--transition-smooth) 1.2s forwards;
}

/* ============ BUTTONS ============ */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.85rem;
    padding: 1.1rem 2.5rem;
    font-size: 0.75rem;
    letter-spacing: 0.35em;
    text-transform: uppercase;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.5s var(--transition-smooth);
    border: 1px solid transparent;
    background: transparent;
    color: var(--color-ivory);
    position: relative;
    overflow: hidden;
}

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

.btn-primary:hover {
    background: var(--color-gold-light);
    border-color: var(--color-gold-light);
    transform: translateY(-2px);
    box-shadow: 0 20px 40px rgba(201, 169, 97, 0.25);
}

.btn-ghost {
    border-color: rgba(201, 169, 97, 0.3);
    color: var(--color-ivory);
}
.btn-ghost:hover {
    border-color: var(--color-gold);
    color: var(--color-gold);
    background: rgba(201, 169, 97, 0.05);
}

.btn-arrow {
    transition: transform 0.4s var(--transition-smooth);
}
.btn:hover .btn-arrow { transform: translateX(6px); }

/* ============ SECTIONS ============ */
.section {
    padding: 8rem 2rem;
    position: relative;
    z-index: 2;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.container-sm {
    max-width: 900px;
    margin: 0 auto;
}

.section-eyebrow {
    color: var(--color-gold);
    font-size: 0.7rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
}
.section-eyebrow::before {
    content: '';
    width: 40px;
    height: 1px;
    background: var(--color-gold);
}

.section-title {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    font-weight: 300;
    margin-bottom: 1.5rem;
    line-height: 1.05;
    letter-spacing: -0.02em;
}
.section-title .accent { font-style: italic; color: var(--color-gold); font-weight: 400; }

.section-lead {
    font-family: var(--font-serif);
    font-size: 1.4rem;
    color: var(--color-pearl);
    max-width: 720px;
    line-height: 1.6;
    font-style: italic;
    margin-bottom: 4rem;
}

/* ============ PILLARS GRID ============ */
.pillars {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    border: 1px solid rgba(201, 169, 97, 0.15);
    background: var(--color-onyx);
}

.pillar {
    padding: 3.5rem 2.5rem;
    border-right: 1px solid rgba(201, 169, 97, 0.15);
    transition: all 0.6s var(--transition-smooth);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.pillar:last-child { border-right: none; }

.pillar::before {
    content: '';
    position: absolute;
    top: 0; left: 0;
    width: 100%;
    height: 1px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    transform: translateX(-100%);
    transition: transform 0.8s var(--transition-smooth);
}

.pillar:hover::before { transform: translateX(100%); }
.pillar:hover { background: var(--color-graphite); }

.pillar-num {
    font-family: var(--font-display);
    font-size: 3rem;
    color: var(--color-gold);
    font-style: italic;
    margin-bottom: 1.5rem;
    opacity: 0.7;
}

.pillar-title {
    font-size: 1.6rem;
    margin-bottom: 1rem;
    color: var(--color-ivory);
}

.pillar-desc {
    color: var(--color-ash);
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ============ ALLIANCE / TWO COLUMNS ============ */
.alliance {
    display: grid;
    grid-template-columns: 1fr auto 1fr;
    align-items: center;
    gap: 4rem;
    padding: 6rem 0;
}

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

.alliance-portrait {
    width: 220px;
    height: 280px;
    margin: 0 auto 2rem;
    border: 1px solid var(--color-gold);
    background: var(--color-graphite);
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
}

.alliance-portrait::before {
    content: '';
    position: absolute;
    inset: 8px;
    border: 1px solid rgba(201, 169, 97, 0.3);
}

.alliance-portrait .initial {
    font-family: var(--font-display);
    font-size: 6rem;
    color: var(--color-gold);
    font-style: italic;
    z-index: 2;
}

.alliance-figure h3 {
    font-size: 1.8rem;
    margin-bottom: 0.5rem;
}

.alliance-figure .role {
    color: var(--color-gold);
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-bottom: 1.5rem;
}

.alliance-figure .desc {
    color: var(--color-ash);
    font-size: 0.95rem;
    max-width: 280px;
    margin: 0 auto;
}

.alliance-amp {
    font-family: var(--font-display);
    font-size: 5rem;
    color: var(--color-gold);
    font-style: italic;
    opacity: 0.5;
}

/* ============ QUOTE ============ */
.quote-section {
    padding: 10rem 2rem;
    text-align: center;
    background: linear-gradient(180deg, var(--color-obsidian), var(--color-onyx), var(--color-obsidian));
    border-top: 1px solid rgba(201, 169, 97, 0.1);
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.quote-mark {
    font-family: var(--font-display);
    font-size: 8rem;
    color: var(--color-gold);
    line-height: 0.5;
    opacity: 0.4;
    margin-bottom: 1rem;
}

.quote {
    font-family: var(--font-serif);
    font-size: clamp(1.5rem, 3.5vw, 2.8rem);
    font-style: italic;
    color: var(--color-ivory);
    max-width: 1100px;
    margin: 0 auto 2.5rem;
    line-height: 1.4;
    font-weight: 300;
}
.quote .accent { color: var(--color-gold); }

.quote-author {
    font-size: 0.7rem;
    letter-spacing: 0.5em;
    text-transform: uppercase;
    color: var(--color-ash);
}

/* ============ STAT BLOCKS ============ */
.stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    border-top: 1px solid rgba(201, 169, 97, 0.15);
    border-bottom: 1px solid rgba(201, 169, 97, 0.15);
}

.stat {
    padding: 3rem 2rem;
    text-align: center;
    border-right: 1px solid rgba(201, 169, 97, 0.15);
}
.stat:last-child { border-right: none; }

.stat-num {
    font-family: var(--font-display);
    font-size: 3.5rem;
    color: var(--color-gold);
    font-weight: 300;
    line-height: 1;
    margin-bottom: 0.75rem;
}

.stat-label {
    font-size: 0.7rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
    color: var(--color-pearl);
}

/* ============ FEATURE BLOCK ============ */
.feature-block {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 5rem;
    align-items: center;
    margin-bottom: 8rem;
}

.feature-block.reverse {
    grid-template-columns: 1fr 1fr;
}
.feature-block.reverse .feature-text { order: 2; }
.feature-block.reverse .feature-visual { order: 1; }

.feature-text h3 {
    font-size: 2.5rem;
    margin-bottom: 1.5rem;
    line-height: 1.1;
}

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

.feature-list {
    list-style: none;
    margin-top: 2rem;
}

.feature-list li {
    padding: 1rem 0;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
    color: var(--color-pearl);
}

.feature-list li::before {
    content: '';
    width: 24px;
    height: 1px;
    background: var(--color-gold);
    flex-shrink: 0;
}

/* ============ FEATURE VISUAL CARDS ============ */
.feature-visual {
    aspect-ratio: 4/5;
    background: var(--color-onyx);
    border: 1px solid rgba(201, 169, 97, 0.2);
    position: relative;
    overflow: hidden;
}

.visual-frame {
    position: absolute;
    inset: 12px;
    border: 1px solid rgba(201, 169, 97, 0.15);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-direction: column;
    padding: 2rem;
    text-align: center;
    background: 
        radial-gradient(ellipse at center, rgba(201, 169, 97, 0.06), transparent 70%),
        linear-gradient(135deg, var(--color-onyx), var(--color-graphite));
}

.visual-icon {
    font-size: 3rem;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
    opacity: 0.9;
}

.visual-title {
    font-family: var(--font-display);
    font-size: 2rem;
    margin-bottom: 1rem;
    font-style: italic;
    color: var(--color-gold-light);
}

.visual-sub {
    color: var(--color-ash);
    font-size: 0.85rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ============ CTA SECTION ============ */
.cta-section {
    padding: 10rem 2rem;
    text-align: center;
    position: relative;
    background: 
        radial-gradient(ellipse at center, rgba(201, 169, 97, 0.08), transparent 60%),
        var(--color-obsidian);
    border-top: 1px solid rgba(201, 169, 97, 0.15);
}

.cta-section h2 {
    font-size: clamp(2.5rem, 5vw, 4.5rem);
    margin-bottom: 1.5rem;
}

.cta-section p {
    font-family: var(--font-serif);
    font-style: italic;
    font-size: 1.3rem;
    color: var(--color-pearl);
    max-width: 720px;
    margin: 0 auto 3rem;
    line-height: 1.6;
}

/* ============ FOOTER ============ */
.alta-footer {
    padding: 5rem 3rem 2.5rem;
    background: #050505;
    border-top: 1px solid rgba(201, 169, 97, 0.15);
    position: relative;
    z-index: 2;
}

.footer-grid {
    max-width: 1400px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

.footer-brand .brand { margin-bottom: 1.5rem; }

.footer-brand p {
    color: var(--color-ash);
    font-size: 0.9rem;
    line-height: 1.7;
    max-width: 360px;
    font-family: var(--font-serif);
    font-style: italic;
}

.footer-col h4 {
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1.5rem;
}

.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 0.75rem; }
.footer-col a {
    color: var(--color-pearl);
    font-size: 0.9rem;
    transition: color 0.3s;
}
.footer-col a:hover { color: var(--color-gold); }

.footer-bottom {
    max-width: 1400px;
    margin: 0 auto;
    padding-top: 2rem;
    border-top: 1px solid rgba(201, 169, 97, 0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: var(--color-ash);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ============ ANIMATIONS ============ */
@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(40px); }
    to { opacity: 1; transform: translateY(0); }
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes glow {
    0%, 100% { box-shadow: 0 0 20px rgba(201, 169, 97, 0.2); }
    50% { box-shadow: 0 0 40px rgba(201, 169, 97, 0.4); }
}

@keyframes shimmer {
    0% { background-position: -200% center; }
    100% { background-position: 200% center; }
}

.shimmer {
    background: linear-gradient(90deg, var(--color-gold-dark) 0%, var(--color-gold-light) 50%, var(--color-gold-dark) 100%);
    background-size: 200% auto;
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    animation: shimmer 4s linear infinite;
}

.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 1s var(--transition-smooth);
}
.reveal.in-view {
    opacity: 1;
    transform: translateY(0);
}

/* ============ DIVIDERS ============ */
.divider-ornament {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 1.5rem;
    margin: 4rem 0;
    color: var(--color-gold);
}
.divider-ornament::before,
.divider-ornament::after {
    content: '';
    width: 80px;
    height: 1px;
    background: var(--color-gold);
    opacity: 0.4;
}
.divider-ornament .ornament {
    font-family: var(--font-display);
    font-size: 1.5rem;
    font-style: italic;
}

/* ============ TIMELINE ============ */
.timeline {
    position: relative;
    padding-left: 3rem;
    border-left: 1px solid rgba(201, 169, 97, 0.25);
}

.timeline-item {
    position: relative;
    padding-bottom: 4rem;
}

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

.timeline-item::before {
    content: '';
    position: absolute;
    left: -3.4rem;
    top: 0.5rem;
    width: 12px;
    height: 12px;
    border: 1px solid var(--color-gold);
    background: var(--color-obsidian);
    transform: rotate(45deg);
}

.timeline-phase {
    color: var(--color-gold);
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}

.timeline-item h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.timeline-item p {
    color: var(--color-pearl);
    line-height: 1.8;
}

/* ============ TABLE / TIERS ============ */
.tier-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1.5rem;
}

.tier-card {
    background: var(--color-onyx);
    border: 1px solid rgba(201, 169, 97, 0.2);
    padding: 3rem 2rem;
    transition: all 0.5s var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.tier-card.featured {
    background: linear-gradient(180deg, var(--color-graphite), var(--color-onyx));
    border-color: var(--color-gold);
    transform: scale(1.02);
}

.tier-card.featured::before {
    content: 'Recomendado';
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: var(--color-gold);
    color: var(--color-obsidian);
    padding: 0.3rem 0.8rem;
    font-size: 0.6rem;
    letter-spacing: 0.3em;
    text-transform: uppercase;
}

.tier-card:hover {
    border-color: var(--color-gold);
    transform: translateY(-4px);
}
.tier-card.featured:hover {
    transform: scale(1.02) translateY(-4px);
}

.tier-name {
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-gold);
    margin-bottom: 1rem;
}

.tier-price {
    font-family: var(--font-display);
    font-size: 3rem;
    margin-bottom: 0.5rem;
    color: var(--color-ivory);
}

.tier-price span {
    font-size: 1rem;
    color: var(--color-ash);
    letter-spacing: 0.1em;
}

.tier-desc {
    color: var(--color-ash);
    font-size: 0.9rem;
    margin-bottom: 2rem;
    padding-bottom: 2rem;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
}

.tier-features {
    list-style: none;
    margin-bottom: 2rem;
}

.tier-features li {
    padding: 0.6rem 0;
    color: var(--color-pearl);
    font-size: 0.9rem;
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.tier-features li::before {
    content: '✦';
    color: var(--color-gold);
    flex-shrink: 0;
}

/* ============ SALA OURO IMMERSIVE ============ */
.sala-ouro-stage {
    min-height: 100vh;
    position: relative;
    background: 
        radial-gradient(ellipse at 50% 30%, rgba(201, 169, 97, 0.18), transparent 60%),
        radial-gradient(ellipse at 50% 70%, rgba(122, 92, 46, 0.1), transparent 60%),
        linear-gradient(180deg, #0a0805, #060403);
    overflow: hidden;
    padding: 10rem 2rem 6rem;
}

.sala-ouro-stage::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: 
        linear-gradient(rgba(201, 169, 97, 0.04) 1px, transparent 1px),
        linear-gradient(90deg, rgba(201, 169, 97, 0.04) 1px, transparent 1px);
    background-size: 60px 60px;
    mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
    -webkit-mask-image: radial-gradient(ellipse at center, black 20%, transparent 70%);
}

.room-architecture {
    max-width: 1200px;
    margin: 4rem auto 0;
    aspect-ratio: 16/9;
    border: 1px solid var(--color-gold);
    position: relative;
    background: 
        linear-gradient(180deg, rgba(201, 169, 97, 0.05), rgba(20, 16, 8, 0.8)),
        radial-gradient(ellipse at center bottom, rgba(201, 169, 97, 0.15), transparent 70%);
    overflow: hidden;
    box-shadow: 0 40px 100px rgba(0,0,0,0.7), inset 0 0 80px rgba(201, 169, 97, 0.05);
}

.room-architecture::before {
    content: '';
    position: absolute;
    inset: 16px;
    border: 1px solid rgba(201, 169, 97, 0.3);
}

.room-floor {
    position: absolute;
    bottom: 16px;
    left: 16px;
    right: 16px;
    height: 35%;
    background: 
        linear-gradient(180deg, transparent, rgba(201, 169, 97, 0.08)),
        repeating-linear-gradient(90deg, transparent, transparent 80px, rgba(201, 169, 97, 0.1) 80px, rgba(201, 169, 97, 0.1) 81px);
    border-top: 1px solid rgba(201, 169, 97, 0.2);
}

.room-pillars {
    position: absolute;
    bottom: 35%;
    left: 16px;
    right: 16px;
    top: 16px;
    display: flex;
    justify-content: space-around;
    align-items: stretch;
    pointer-events: none;
}

.room-pillar {
    width: 40px;
    background: linear-gradient(90deg, transparent, rgba(201, 169, 97, 0.4), transparent);
    position: relative;
}
.room-pillar::before, .room-pillar::after {
    content: '';
    position: absolute;
    left: -10px;
    right: -10px;
    height: 8px;
    background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
    opacity: 0.5;
}
.room-pillar::before { top: 0; }
.room-pillar::after { bottom: 0; }

.room-chandelier {
    position: absolute;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    width: 200px;
    height: 80px;
    background: radial-gradient(ellipse at top, rgba(255, 220, 130, 0.6), transparent 70%);
    pointer-events: none;
}

.room-table {
    position: absolute;
    bottom: 25%;
    left: 50%;
    transform: translateX(-50%);
    width: 60%;
    height: 8%;
    background: linear-gradient(180deg, var(--color-bronze), var(--color-gold-dark));
    border: 1px solid var(--color-gold);
    box-shadow: 0 20px 40px rgba(0,0,0,0.5);
}

.room-label {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    z-index: 5;
}

.room-label .label-em {
    font-family: var(--font-display);
    font-size: clamp(2rem, 4vw, 3.5rem);
    color: var(--color-gold-light);
    font-style: italic;
    letter-spacing: 0.05em;
    text-shadow: 0 0 30px rgba(201, 169, 97, 0.5);
}

.room-label .label-sub {
    margin-top: 0.5rem;
    font-size: 0.7rem;
    letter-spacing: 0.5em;
    color: var(--color-pearl);
    text-transform: uppercase;
}

/* ============ PLATFORM MOCKUP ============ */
.platform-mockup {
    background: var(--color-onyx);
    border: 1px solid rgba(201, 169, 97, 0.3);
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-deep);
}

.platform-toolbar {
    padding: 0.85rem 1.25rem;
    background: var(--color-graphite);
    border-bottom: 1px solid rgba(201, 169, 97, 0.15);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.platform-toolbar .dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: rgba(201, 169, 97, 0.3);
}

.platform-toolbar .url {
    flex: 1;
    text-align: center;
    color: var(--color-ash);
    font-family: var(--font-mono);
    font-size: 0.7rem;
}

.platform-body {
    display: grid;
    grid-template-columns: 220px 1fr;
    min-height: 480px;
}

.platform-sidebar {
    background: var(--color-graphite);
    padding: 1.5rem 0;
    border-right: 1px solid rgba(201, 169, 97, 0.1);
}

.platform-sidebar .sidebar-brand {
    padding: 0 1.5rem 1.5rem;
    border-bottom: 1px solid rgba(201, 169, 97, 0.1);
    margin-bottom: 1rem;
    font-family: var(--font-display);
    color: var(--color-gold);
    font-style: italic;
    letter-spacing: 0.15em;
}

.platform-menu {
    list-style: none;
}
.platform-menu li {
    padding: 0.75rem 1.5rem;
    color: var(--color-pearl);
    font-size: 0.85rem;
    cursor: pointer;
    border-left: 2px solid transparent;
    transition: all 0.3s;
    display: flex;
    align-items: center;
    gap: 0.75rem;
}
.platform-menu li:hover { background: rgba(201, 169, 97, 0.05); color: var(--color-gold); }
.platform-menu li.active {
    background: rgba(201, 169, 97, 0.08);
    color: var(--color-gold);
    border-left-color: var(--color-gold);
}

.platform-content {
    padding: 2rem;
}

.platform-content h4 {
    font-family: var(--font-display);
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-ivory);
}
.platform-content .meta-row {
    color: var(--color-ash);
    font-size: 0.75rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: 2rem;
}

.platform-cards {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.p-card {
    padding: 1.25rem;
    background: var(--color-graphite);
    border: 1px solid rgba(201, 169, 97, 0.1);
}

.p-card .label {
    color: var(--color-ash);
    font-size: 0.7rem;
    letter-spacing: 0.25em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
}
.p-card .value {
    font-family: var(--font-display);
    font-size: 1.8rem;
    color: var(--color-gold);
}
.p-card .delta { color: var(--color-pearl); font-size: 0.75rem; }

.platform-list-item {
    padding: 1rem 0;
    display: flex;
    align-items: center;
    gap: 1rem;
    border-bottom: 1px solid rgba(201, 169, 97, 0.08);
}
.platform-list-item:last-child { border-bottom: none; }

.pli-thumb {
    width: 44px; height: 44px;
    border: 1px solid rgba(201, 169, 97, 0.3);
    display: flex; align-items: center; justify-content: center;
    color: var(--color-gold);
    font-family: var(--font-display);
    font-style: italic;
}

.pli-body { flex: 1; }
.pli-title { color: var(--color-ivory); font-size: 0.9rem; margin-bottom: 0.2rem; }
.pli-sub { color: var(--color-ash); font-size: 0.75rem; }
.pli-tag {
    padding: 0.25rem 0.75rem;
    background: rgba(201, 169, 97, 0.1);
    color: var(--color-gold);
    font-size: 0.65rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
}

/* ============ FLOW DIAGRAM ============ */
.flow-diagram {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0;
    margin: 4rem 0;
}

.flow-node {
    padding: 2rem 1.5rem;
    border: 1px solid rgba(201, 169, 97, 0.2);
    background: var(--color-onyx);
    text-align: center;
    position: relative;
    transition: all 0.4s var(--transition-smooth);
}

.flow-node:not(:last-child)::after {
    content: '→';
    position: absolute;
    right: -12px;
    top: 50%;
    transform: translateY(-50%);
    background: var(--color-obsidian);
    color: var(--color-gold);
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 2;
    font-family: var(--font-display);
}

.flow-node:hover {
    background: var(--color-graphite);
    border-color: var(--color-gold);
}

.flow-num {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--color-gold);
    font-size: 1.2rem;
    margin-bottom: 1rem;
}

.flow-title { font-size: 1.1rem; margin-bottom: 0.5rem; color: var(--color-ivory); }
.flow-desc { font-size: 0.8rem; color: var(--color-ash); line-height: 1.5; }

/* ============ MANIFESTO PAGE ============ */
.manifesto-page {
    padding: 10rem 2rem 6rem;
    background: var(--color-obsidian);
    min-height: 100vh;
}

.manifesto-content {
    max-width: 880px;
    margin: 0 auto;
}

.manifesto-content h1 {
    font-size: clamp(3rem, 6vw, 5rem);
    margin-bottom: 3rem;
    text-align: center;
    line-height: 1;
}
.manifesto-content h1 .accent { color: var(--color-gold); font-style: italic; }

.manifesto-article {
    column-count: 1;
}

.manifesto-article p {
    font-family: var(--font-serif);
    font-size: 1.25rem;
    line-height: 1.85;
    color: var(--color-pearl);
    margin-bottom: 1.75rem;
    font-weight: 300;
}

.manifesto-article p::first-letter {
    /* none on regular */
}

.manifesto-article p.dropcap::first-letter {
    font-family: var(--font-display);
    font-size: 5rem;
    float: left;
    line-height: 0.85;
    margin: 0.1em 0.15em 0 0;
    color: var(--color-gold);
    font-style: italic;
}

.manifesto-article h2 {
    font-size: 2.2rem;
    margin: 4rem 0 1.5rem;
    color: var(--color-gold);
    font-style: italic;
}

.manifesto-article blockquote {
    border-left: 2px solid var(--color-gold);
    padding: 1.5rem 0 1.5rem 2rem;
    margin: 3rem 0;
    font-family: var(--font-display);
    font-style: italic;
    font-size: 1.6rem;
    color: var(--color-ivory);
    line-height: 1.4;
}

.signature-block {
    margin-top: 5rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(201, 169, 97, 0.2);
    text-align: right;
}

.signature {
    font-family: 'Cormorant Garamond', cursive;
    font-style: italic;
    font-size: 2.5rem;
    color: var(--color-gold);
    margin-bottom: 0.5rem;
}

.signature-meta {
    font-size: 0.7rem;
    letter-spacing: 0.4em;
    text-transform: uppercase;
    color: var(--color-ash);
}

/* ============ RESPONSIVE ============ */
@media (max-width: 968px) {
    .alta-nav { padding: 1rem 1.5rem; }
    .nav-links { display: none; }
    .nav-links.open {
        display: flex;
        position: absolute;
        top: 100%;
        left: 0; right: 0;
        flex-direction: column;
        background: var(--color-onyx);
        padding: 2rem;
        gap: 1.5rem;
        border-bottom: 1px solid rgba(201, 169, 97, 0.2);
    }
    .menu-toggle { display: block; }
    .pillars { grid-template-columns: 1fr; }
    .pillar { border-right: none; border-bottom: 1px solid rgba(201, 169, 97, 0.15); }
    .alliance { grid-template-columns: 1fr; gap: 2rem; }
    .alliance-amp { transform: rotate(90deg); font-size: 3rem; }
    .stats { grid-template-columns: repeat(2, 1fr); }
    .stat:nth-child(2) { border-right: none; }
    .stat:nth-child(1), .stat:nth-child(2) { border-bottom: 1px solid rgba(201, 169, 97, 0.15); }
    .feature-block, .feature-block.reverse { grid-template-columns: 1fr; gap: 2rem; }
    .feature-block.reverse .feature-text { order: 2; }
    .feature-block.reverse .feature-visual { order: 1; }
    .tier-grid { grid-template-columns: 1fr; }
    .tier-card.featured { transform: scale(1); }
    .footer-grid { grid-template-columns: 1fr 1fr; }
    .platform-body { grid-template-columns: 1fr; }
    .platform-sidebar { display: none; }
    .platform-cards { grid-template-columns: 1fr; }
    .flow-diagram { grid-template-columns: 1fr; }
    .flow-node:not(:last-child)::after { content: '↓'; right: 50%; top: auto; bottom: -16px; transform: translateX(50%); }
    .hero-meta { gap: 2rem; }
    .footer-bottom { flex-direction: column; gap: 1rem; text-align: center; }
}

@media (max-width: 540px) {
    .section { padding: 5rem 1.25rem; }
    .footer-grid { grid-template-columns: 1fr; }
    .room-architecture { aspect-ratio: 4/3; }
}