/* ═══════════════════════════════════════════════════════════
   3 LADOS — Modern Marketing Agency
   Aesthetic: Dark luxury editorial with geometric Brazilian flair
   ═══════════════════════════════════════════════════════════ */

:root {
    --bg: #0a0a0b;
    --bg-elevated: #111113;
    --bg-card: #161618;
    --text: #f0ece6;
    --text-muted: #8a8680;
    --accent: #d4a853;
    --accent-light: #e8c97a;
    --accent-dim: rgba(212, 168, 83, 0.12);
    --border: rgba(240, 236, 230, 0.08);
    --border-hover: rgba(240, 236, 230, 0.15);

    --font-display: 'Instrument Serif', serif;
    --font-heading: 'Syne', sans-serif;
    --font-body: 'DM Sans', sans-serif;

    --space-xs: 0.5rem;
    --space-sm: 1rem;
    --space-md: 2rem;
    --space-lg: 4rem;
    --space-xl: 8rem;
    --space-2xl: 12rem;

    --radius: 12px;
    --radius-lg: 20px;
}

/* Reset */
*, *::before, *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

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

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

/* Grain overlay */
.grain {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    pointer-events: none;
    z-index: 9999;
    opacity: 0.035;
    background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 256 256' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='noise'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.85' numOctaves='4' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23noise)'/%3E%3C/svg%3E");
}

/* Container */
.container {
    max-width: 1320px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

/* ─── Typography ─── */
em {
    font-family: var(--font-display);
    font-style: italic;
    color: var(--accent);
}

.section-label {
    display: inline-block;
    font-family: var(--font-heading);
    font-size: 0.75rem;
    font-weight: 600;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--accent);
    margin-bottom: var(--space-sm);
}

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(2.5rem, 5vw, 4rem);
    font-weight: 700;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

/* ─── Header ─── */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: var(--space-sm) var(--space-md);
    transition: background 0.4s, backdrop-filter 0.4s;
}

.header.scrolled {
    background: rgba(10, 10, 11, 0.85);
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}

.nav {
    max-width: 1320px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    display: flex;
    align-items: baseline;
    gap: 0.3rem;
    text-decoration: none;
}

.logo-number {
    font-family: var(--font-display);
    font-size: 2rem;
    color: var(--accent);
    line-height: 1;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.1rem;
    font-weight: 800;
    color: var(--text);
    letter-spacing: 0.1em;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: var(--space-md);
    list-style: none;
}

.nav-links a {
    font-size: 0.875rem;
    font-weight: 500;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
    letter-spacing: 0.02em;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-cta {
    padding: 0.6rem 1.4rem;
    background: var(--accent);
    color: var(--bg) !important;
    border-radius: 100px;
    font-weight: 600 !important;
    transition: transform 0.3s, box-shadow 0.3s !important;
}

.nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 30px rgba(212, 168, 83, 0.3);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 28px;
    height: 2px;
    background: var(--text);
    transition: transform 0.3s, opacity 0.3s;
}

/* ─── Hero ─── */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: var(--space-2xl) var(--space-md) var(--space-xl);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    inset: 0;
    overflow: hidden;
}

.hero-shape {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.4;
}

.hero-shape-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--accent-dim) 0%, transparent 70%);
    top: -10%;
    right: -10%;
    animation: float 20s ease-in-out infinite;
}

.hero-shape-2 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.06) 0%, transparent 70%);
    bottom: 10%;
    left: -5%;
    animation: float 25s ease-in-out infinite reverse;
}

.hero-shape-3 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(212, 168, 83, 0.08) 0%, transparent 70%);
    top: 40%;
    left: 40%;
    animation: float 18s ease-in-out infinite 2s;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(30px, -30px) scale(1.05); }
    66% { transform: translate(-20px, 20px) scale(0.95); }
}

.hero-content {
    position: relative;
    max-width: 900px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--accent);
    background: var(--accent-dim);
    padding: 0.5rem 1.2rem;
    border-radius: 100px;
    border: 1px solid rgba(212, 168, 83, 0.2);
    margin-bottom: var(--space-md);
    animation: fadeInUp 0.8s ease both;
}

.badge-dot {
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse 2s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(3.5rem, 9vw, 7rem);
    font-weight: 800;
    line-height: 1.0;
    letter-spacing: -0.03em;
    margin-bottom: var(--space-md);
}

.hero-line {
    display: block;
}

.hero-line-1 {
    animation: fadeInUp 0.8s ease both 0.1s;
}

.hero-line-2 {
    animation: fadeInUp 0.8s ease both 0.25s;
}

.hero-line-2 em {
    font-size: 1.05em;
}

.hero-line-3 {
    animation: fadeInUp 0.8s ease both 0.4s;
    color: var(--text-muted);
}

@keyframes fadeInUp {
    from { opacity: 0; transform: translateY(30px); }
    to { opacity: 1; transform: translateY(0); }
}

.hero-sub {
    font-size: clamp(1rem, 1.8vw, 1.25rem);
    color: var(--text-muted);
    max-width: 560px;
    line-height: 1.7;
    margin-bottom: var(--space-lg);
    animation: fadeInUp 0.8s ease both 0.55s;
}

.hero-actions {
    display: flex;
    gap: var(--space-sm);
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease both 0.7s;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 1rem 2.2rem;
    font-family: var(--font-heading);
    font-size: 0.9rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    letter-spacing: 0.02em;
}

.btn-primary {
    background: var(--accent);
    color: var(--bg);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(212, 168, 83, 0.35);
}

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

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

.btn-full {
    width: 100%;
}

/* Hero scroll indicator */
.hero-scroll {
    position: absolute;
    bottom: var(--space-lg);
    right: var(--space-md);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    animation: fadeInUp 0.8s ease both 1s;
}

.hero-scroll span {
    font-size: 0.7rem;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--text-muted);
    writing-mode: vertical-rl;
}

.scroll-line {
    width: 1px;
    height: 60px;
    background: linear-gradient(to bottom, var(--accent), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { transform: scaleY(1); opacity: 1; }
    50% { transform: scaleY(0.6); opacity: 0.5; }
}

/* ─── Services ─── */
.services {
    padding: var(--space-2xl) 0;
}

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

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--space-md);
}

.service-card {
    position: relative;
    padding: var(--space-lg) var(--space-md);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    overflow: hidden;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 2px;
    background: linear-gradient(90deg, transparent, var(--accent), transparent);
    opacity: 0;
    transition: opacity 0.4s;
}

.service-card:hover {
    border-color: var(--border-hover);
    transform: translateY(-4px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.service-card:hover::before {
    opacity: 1;
}

.service-number {
    font-family: var(--font-heading);
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    letter-spacing: 0.1em;
    margin-bottom: var(--space-md);
}

.service-icon {
    width: 48px;
    height: 48px;
    color: var(--accent);
    margin-bottom: var(--space-md);
}

.service-card h3 {
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: var(--space-sm);
    letter-spacing: -0.01em;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
}

/* ─── Products ─── */
.products {
    padding: var(--space-xl) 0 var(--space-2xl);
}

.products-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: var(--space-md);
}

.product-card {
    display: block;
    text-decoration: none;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.product-card:hover {
    border-color: var(--accent);
    transform: translateY(-6px);
    box-shadow: 0 30px 80px rgba(0, 0, 0, 0.4);
}

.product-visual {
    position: relative;
    height: 240px;
    background: linear-gradient(135deg, var(--bg-elevated) 0%, var(--bg) 100%);
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.product-visual .product-shape {
    width: 120px;
    height: 120px;
    border: 2px solid var(--accent);
    border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%;
    animation: morph 8s ease-in-out infinite;
    opacity: 0.6;
}

.product-visual-alt .product-shape {
    border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%;
    animation-direction: reverse;
}

@keyframes morph {
    0%, 100% { border-radius: 30% 70% 70% 30% / 30% 30% 70% 70%; transform: rotate(0deg); }
    50% { border-radius: 60% 40% 30% 70% / 60% 30% 70% 40%; transform: rotate(180deg); }
}

.product-badge {
    position: absolute;
    top: var(--space-sm);
    left: var(--space-sm);
    font-size: 0.7rem;
    font-weight: 600;
    font-family: var(--font-heading);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    padding: 0.4rem 1rem;
    background: var(--accent-dim);
    border: 1px solid rgba(212, 168, 83, 0.2);
    border-radius: 100px;
    color: var(--accent);
}

.product-info {
    padding: var(--space-md);
}

.product-info h3 {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: var(--space-xs);
}

.product-info p {
    font-size: 0.9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: var(--space-sm);
}

.product-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 0.85rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap 0.3s;
}

.product-card:hover .product-link {
    gap: 1rem;
}

/* ─── About ─── */
.about {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border);
}

.about-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-xl);
    align-items: start;
}

.about-lead {
    font-size: 1.2rem;
    line-height: 1.7;
    margin-bottom: var(--space-md);
    color: var(--text);
}

.about-right p {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.8;
    margin-bottom: var(--space-lg);
}

.about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--space-md);
    padding-top: var(--space-md);
    border-top: 1px solid var(--border);
}

.stat-number {
    display: block;
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    margin-bottom: 0.25rem;
}

.stat-label {
    font-size: 0.8rem;
    color: var(--text-muted);
    letter-spacing: 0.02em;
}

/* ─── Contact ─── */
.contact {
    padding: var(--space-2xl) 0;
    border-top: 1px solid var(--border);
}

.contact-layout {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: var(--space-xl);
    align-items: start;
}

.contact-desc {
    font-size: 0.95rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-top: var(--space-md);
    margin-bottom: var(--space-md);
}

.contact-social {
    display: flex;
    gap: var(--space-sm);
}

.contact-social a {
    width: 44px;
    height: 44px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border);
    border-radius: 50%;
    color: var(--text-muted);
    transition: all 0.3s;
}

.contact-social a:hover {
    border-color: var(--accent);
    color: var(--accent);
    transform: translateY(-2px);
}

.contact-social svg {
    width: 18px;
    height: 18px;
}

/* Form */
.contact-form {
    display: flex;
    flex-direction: column;
    gap: var(--space-sm);
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 1.1rem 1.4rem;
    font-family: var(--font-body);
    font-size: 0.9rem;
    color: var(--text);
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    outline: none;
    transition: border-color 0.3s, box-shadow 0.3s;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--accent);
    box-shadow: 0 0 0 3px var(--accent-dim);
}

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

/* ─── Footer ─── */
.footer {
    padding: var(--space-lg) 0;
    border-top: 1px solid var(--border);
    margin-top: var(--space-lg);
}

.footer-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--space-md);
}

.footer-brand p {
    font-size: 0.8rem;
    color: var(--text-muted);
    margin-top: 0.5rem;
    line-height: 1.5;
}

.footer-links {
    display: flex;
    gap: var(--space-md);
}

.footer-links a {
    font-size: 0.85rem;
    color: var(--text-muted);
    text-decoration: none;
    transition: color 0.3s;
}

.footer-links a:hover {
    color: var(--accent);
}

.footer-copy p {
    font-size: 0.75rem;
    color: var(--text-muted);
}

/* ─── Scroll Animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.4, 0, 0.2, 1), transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
}

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

/* ─── Responsive ─── */
@media (max-width: 1024px) {
    .about-layout,
    .contact-layout {
        grid-template-columns: 1fr;
        gap: var(--space-lg);
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --space-xl: 5rem;
        --space-2xl: 7rem;
    }

    .nav-links {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .hero-title {
        font-size: clamp(2.8rem, 12vw, 4.5rem);
    }

    .services-grid {
        grid-template-columns: 1fr;
    }

    .products-grid {
        grid-template-columns: 1fr;
    }

    .about-stats {
        grid-template-columns: repeat(3, 1fr);
    }

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }

    .hero-scroll {
        display: none;
    }
}

@media (max-width: 480px) {
    .hero-actions {
        flex-direction: column;
    }

    .btn {
        width: 100%;
        justify-content: center;
    }

    .about-stats {
        grid-template-columns: 1fr;
        gap: var(--space-sm);
    }
}

/* ─── Selection ─── */
::selection {
    background: var(--accent);
    color: var(--bg);
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--bg);
}

::-webkit-scrollbar-thumb {
    background: var(--border-hover);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
}