/* ============================================
   FRT USINAGEM DE PRECISÃO
   Stylesheet Principal - Premium Industrial
   ============================================ */

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

:root {
    /* Cores - Identidade FRT */
    --color-primary: #E85A2C;          /* Laranja FRT */
    --color-primary-dark: #C8431B;     /* Laranja escuro */
    --color-primary-light: #FF7849;    /* Laranja claro */
    
    --color-dark: #0F0F12;             /* Preto profundo */
    --color-dark-secondary: #1A1A1F;   /* Preto secundário */
    --color-dark-tertiary: #2A2A30;    /* Cinza escuro */
    
    --color-light: #FFFFFF;
    --color-light-secondary: #F8F8FA;
    --color-light-tertiary: #EEEEF2;
    
    --color-gray: #6B7280;
    --color-gray-light: #9CA3AF;
    --color-gray-dark: #374151;
    
    --color-text: #1A1A1F;
    --color-text-muted: #6B7280;
    --color-text-light: #FFFFFF;
    
    /* Tipografia */
    --font-display: 'Outfit', 'Segoe UI', sans-serif;
    --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    
    /* Spacing */
    --container-max: 1280px;
    --section-padding-y: 6rem;
    --section-padding-y-mobile: 4rem;
    
    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.08);
    --shadow-md: 0 8px 24px rgba(0, 0, 0, 0.12);
    --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.16);
    --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.2);
    --shadow-orange: 0 12px 40px rgba(232, 90, 44, 0.35);
    
    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.6s cubic-bezier(0.4, 0, 0.2, 1);
    
    /* Border radius */
    --radius-sm: 6px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 32px;
    --radius-full: 9999px;
}

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-text);
    background: var(--color-light);
    overflow-x: hidden;
}

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

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

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

/* ===== TYPOGRAPHY ===== */
h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-display);
    font-weight: 700;
    line-height: 1.15;
    letter-spacing: -0.02em;
    color: var(--color-text);
}

h1 { font-size: clamp(2.5rem, 5vw, 4.5rem); }
h2 { font-size: clamp(2rem, 4vw, 3.25rem); }
h3 { font-size: clamp(1.5rem, 2.5vw, 2.25rem); }
h4 { font-size: clamp(1.25rem, 2vw, 1.5rem); }

p { color: var(--color-text-muted); }

/* ===== CONTAINER ===== */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 1.5rem;
}

@media (min-width: 768px) {
    .container { padding: 0 2rem; }
}

/* ===== SECTION ===== */
section {
    padding: var(--section-padding-y-mobile) 0;
    position: relative;
}

@media (min-width: 768px) {
    section { padding: var(--section-padding-y) 0; }
}

.section-header {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 4rem;
}

.section-eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--color-primary);
    text-transform: uppercase;
    letter-spacing: 0.15em;
    margin-bottom: 1rem;
}

.section-eyebrow::before {
    content: '';
    width: 32px;
    height: 2px;
    background: var(--color-primary);
}

.section-title {
    margin-bottom: 1.25rem;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--color-text-muted);
    line-height: 1.7;
}

/* ===== BUTTONS ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.625rem;
    padding: 0.95rem 2rem;
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 600;
    letter-spacing: 0.02em;
    border-radius: var(--radius-full);
    transition: all var(--transition-base);
    cursor: pointer;
    position: relative;
    overflow: hidden;
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-primary);
    color: var(--color-light);
    box-shadow: 0 8px 24px rgba(232, 90, 44, 0.3);
}

.btn-primary:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 12px 32px rgba(232, 90, 44, 0.45);
}

.btn-outline {
    background: transparent;
    color: var(--color-light);
    border: 2px solid rgba(255, 255, 255, 0.2);
}

.btn-outline:hover {
    background: var(--color-light);
    color: var(--color-dark);
    border-color: var(--color-light);
}

.btn-dark {
    background: var(--color-dark);
    color: var(--color-light);
}

.btn-dark:hover {
    background: var(--color-dark-secondary);
    transform: translateY(-2px);
}

.btn svg {
    width: 18px;
    height: 18px;
    transition: transform var(--transition-base);
}

.btn:hover svg {
    transform: translateX(4px);
}

/* ===== HEADER / NAVIGATION ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 1.25rem 0;
    background: rgba(15, 15, 18, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    transition: all var(--transition-base);
}

.header.scrolled {
    padding: 0.85rem 0;
    background: rgba(15, 15, 18, 0.95);
    box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
}

.logo {
    display: flex;
    align-items: center;
    z-index: 1001;
}

.logo img {
    height: 42px;
    width: auto;
    transition: transform var(--transition-base);
}

.logo:hover img {
    transform: scale(1.05);
}

.nav {
    display: flex;
    align-items: center;
    gap: 2.5rem;
}

.nav-list {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-list > li:last-child {
    margin-left: 0.5rem;
}

.nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.75);
    letter-spacing: 0.03em;
    position: relative;
    padding: 0.5rem 0;
    transition: color var(--transition-base);
}

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

.nav-link:hover,
.nav-link.active {
    color: var(--color-light);
}

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

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.7rem 1.35rem;
    background: var(--color-primary);
    color: var(--color-light);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 600;
    letter-spacing: 0.01em;
    white-space: nowrap;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    box-shadow: 0 4px 14px rgba(232, 90, 44, 0.25);
}

.nav-cta::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, var(--color-primary-light) 0%, transparent 50%);
    opacity: 0;
    transition: opacity var(--transition-base);
}

.nav-cta > * {
    position: relative;
    z-index: 1;
}

.nav-cta svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-base);
}

.nav-cta:hover {
    background: var(--color-primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(232, 90, 44, 0.45);
}

.nav-cta:hover::before {
    opacity: 0.4;
}

.nav-cta:hover svg {
    transform: translateX(3px);
}

/* Mobile menu toggle */
.menu-toggle {
    display: none;
    width: 40px;
    height: 40px;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    z-index: 1001;
}

.menu-toggle span {
    display: block;
    width: 22px;
    height: 2px;
    background: var(--color-light);
    transition: all var(--transition-base);
}

.menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.menu-toggle.active span:nth-child(2) {
    opacity: 0;
}

.menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

@media (max-width: 991px) {
    .menu-toggle { display: flex; }
    
    .nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 85%;
        max-width: 380px;
        height: 100vh;
        background: var(--color-dark);
        flex-direction: column;
        justify-content: center;
        padding: 6rem 2.5rem 2.5rem;
        transition: right var(--transition-slow);
        box-shadow: -20px 0 60px rgba(0, 0, 0, 0.5);
    }
    
    .nav.active { right: 0; }
    
    .nav-list {
        flex-direction: column;
        gap: 1.75rem;
        align-items: flex-start;
        width: 100%;
    }
    
    .nav-list > li:last-child {
        margin-left: 0;
        width: 100%;
    }
    
    .nav-link {
        font-size: 1.25rem;
        font-family: var(--font-display);
        font-weight: 600;
    }
    
    .nav-cta {
        margin-top: 1.5rem;
        width: 100%;
        justify-content: center;
        padding: 1rem 1.5rem;
    }
}

/* ===== HERO SECTION ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 8rem 0 4rem;
    background: var(--color-dark);
    overflow: hidden;
    color: var(--color-light);
}

.hero > .container {
    width: 100%;
}

.hero-bg {
    position: absolute;
    inset: 0;
    z-index: 0;
}

.hero-bg img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    opacity: 0.35;
}

.hero-bg::after {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(135deg, rgba(15, 15, 18, 0.85) 0%, rgba(15, 15, 18, 0.65) 100%),
        radial-gradient(ellipse at top right, rgba(232, 90, 44, 0.15), transparent 60%);
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 780px;
    width: 100%;
}

.hero-wrapper {
    position: relative;
    z-index: 2;
    width: 100%;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 0.6rem 1.25rem;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: var(--radius-full);
    font-size: 0.85rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 2rem;
    backdrop-filter: blur(10px);
    animation: fadeInDown 0.8s ease-out;
}

.hero-badge-dot {
    width: 8px;
    height: 8px;
    background: var(--color-primary);
    border-radius: 50%;
    box-shadow: 0 0 0 4px rgba(232, 90, 44, 0.2);
    animation: pulse 2s infinite;
}

.hero-title {
    font-size: clamp(2.25rem, 5vw, 4rem);
    font-weight: 800;
    line-height: 1.08;
    letter-spacing: -0.025em;
    color: var(--color-light);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.1s both;
}

.hero-title .highlight {
    color: var(--color-primary);
    position: relative;
    display: inline-block;
}

.hero-title .highlight::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--color-primary);
    border-radius: 4px;
    opacity: 0.3;
}

.hero-tagline {
    font-size: clamp(1.15rem, 1.8vw, 1.4rem);
    font-weight: 500;
    line-height: 1.5;
    color: rgba(255, 255, 255, 0.95);
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease-out 0.15s both;
}

.hero-tagline strong {
    color: var(--color-primary);
    font-weight: 700;
}

.hero-subtitle {
    font-size: clamp(1.05rem, 1.5vw, 1.25rem);
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
    max-width: 620px;
    animation: fadeInUp 0.8s ease-out 0.2s both;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    animation: fadeInUp 0.8s ease-out 0.3s both;
}

.hero-meta {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    margin-top: 3.5rem;
    padding-top: 3rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    animation: fadeInUp 0.8s ease-out 0.4s both;
    max-width: 100%;
}

@media (min-width: 768px) {
    .hero-meta {
        grid-template-columns: repeat(4, 1fr);
        gap: 2.5rem;
    }
}

.hero-meta-item .number {
    font-family: var(--font-display);
    font-size: clamp(2rem, 3vw, 2.75rem);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
    display: block;
}

.hero-meta-item .label {
    font-size: 0.8rem;
    color: rgba(255, 255, 255, 0.7);
    margin-top: 0.6rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    line-height: 1.4;
}

/* Hero variant for inner pages */
.hero-inner {
    min-height: 60vh;
    padding: 10rem 0 5rem;
}

.hero-inner .hero-title {
    font-size: clamp(2.25rem, 5vw, 3.75rem);
}

.hero-breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.6);
    margin-bottom: 1.5rem;
}

.hero-breadcrumb a:hover { color: var(--color-primary); }
.hero-breadcrumb .separator { opacity: 0.4; }

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

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-20px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

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

@keyframes pulse {
    0%, 100% {
        box-shadow: 0 0 0 0 rgba(232, 90, 44, 0.5);
    }
    50% {
        box-shadow: 0 0 0 8px rgba(232, 90, 44, 0);
    }
}

@keyframes float {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(-10px); }
}

/* Reveal on scroll */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease-out, transform 0.8s ease-out;
}

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

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ===== ABOUT SECTION ===== */
.about-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 4rem;
    align-items: center;
}

@media (min-width: 992px) {
    .about-grid {
        grid-template-columns: 1.1fr 1fr;
        gap: 6rem;
    }
}

.about-image {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 4/3;
    box-shadow: var(--shadow-lg);
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.8s ease;
}

.about-image:hover img {
    transform: scale(1.05);
}

.about-image-badge {
    position: absolute;
    bottom: 1.5rem;
    left: 1.5rem;
    right: 1.5rem;
    padding: 1.25rem 1.5rem;
    background: rgba(15, 15, 18, 0.85);
    backdrop-filter: blur(20px);
    border-radius: var(--radius-md);
    color: var(--color-light);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.about-image-badge .number {
    font-family: var(--font-display);
    font-size: 2rem;
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.about-image-badge .text {
    font-size: 0.85rem;
    opacity: 0.85;
    margin-top: 0.25rem;
}

.about-text h2 {
    margin-bottom: 1.5rem;
}

.about-text h2 .accent {
    color: var(--color-primary);
}

.about-text p {
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1.5rem;
    margin-top: 2rem;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
}

.about-feature-icon {
    flex-shrink: 0;
    width: 40px;
    height: 40px;
    border-radius: var(--radius-md);
    background: rgba(232, 90, 44, 0.1);
    color: var(--color-primary);
    display: grid;
    place-items: center;
}

.about-feature-icon svg {
    width: 20px;
    height: 20px;
}

.about-feature-text strong {
    display: block;
    color: var(--color-text);
    font-size: 0.95rem;
    margin-bottom: 0.25rem;
    font-weight: 600;
}

.about-feature-text span {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

/* ===== WHY FRT SECTION ===== */
.why-section {
    background: var(--color-light);
    position: relative;
}

.why-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.25rem;
}

@media (min-width: 640px) {
    .why-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 1024px) {
    .why-grid { grid-template-columns: repeat(4, 1fr); }
}

.why-card {
    display: flex;
    flex-direction: column;
    padding: 2rem 1.75rem;
    background: var(--color-light);
    border: 1px solid var(--color-light-tertiary);
    border-radius: var(--radius-lg);
    color: var(--color-text);
    text-decoration: none;
    transition: all var(--transition-base);
    position: relative;
    overflow: hidden;
    cursor: pointer;
}

.why-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.why-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232, 90, 44, 0.2);
}

.why-card:hover::before {
    transform: scaleX(1);
}

.why-card-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-light);
    display: grid;
    place-items: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 6px 16px rgba(232, 90, 44, 0.25);
    transition: transform var(--transition-base);
}

.why-card:hover .why-card-icon {
    transform: scale(1.08) rotate(-3deg);
}

.why-card-icon svg {
    width: 28px;
    height: 28px;
}

.why-card h3 {
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
    line-height: 1.3;
}

.why-card p {
    font-size: 0.92rem;
    line-height: 1.6;
    color: var(--color-text-muted);
    margin-bottom: 1.5rem;
    flex-grow: 1;
}

.why-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-size: 0.82rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    margin-top: auto;
}

.why-card-link svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-base);
}

.why-card:hover .why-card-link svg {
    transform: translateX(4px);
}

/* ===== SERVICES SECTION ===== */
.services-section {
    background: var(--color-light-secondary);
    position: relative;
}

.services-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .services-grid { grid-template-columns: repeat(4, 1fr); }
}

.service-card {
    position: relative;
    background: var(--color-light);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all var(--transition-base);
    border: 1px solid rgba(0, 0, 0, 0.05);
    cursor: pointer;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(232, 90, 44, 0.2);
}

.service-card-image {
    aspect-ratio: 4/3;
    overflow: hidden;
    background: var(--color-light-tertiary);
}

.service-card-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s ease;
}

.service-card:hover .service-card-image img {
    transform: scale(1.08);
}

.service-card-body {
    padding: 1.75rem;
}

.service-card-title {
    font-size: 1.15rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    color: var(--color-text);
}

.service-card-desc {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 1rem;
}

.service-card-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-primary);
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.service-card-link svg {
    width: 14px;
    height: 14px;
    transition: transform var(--transition-base);
}

.service-card:hover .service-card-link svg {
    transform: translateX(4px);
}

/* ===== STATS SECTION ===== */
.stats-section {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    position: relative;
    overflow: hidden;
    color: var(--color-light);
}

.stats-section::before {
    content: 'FRT';
    position: absolute;
    right: -2%;
    top: 50%;
    transform: translateY(-50%);
    font-family: var(--font-display);
    font-size: clamp(15rem, 30vw, 28rem);
    font-weight: 900;
    color: rgba(255, 255, 255, 0.06);
    line-height: 0.8;
    letter-spacing: -0.05em;
    pointer-events: none;
}

.stats-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    position: relative;
    z-index: 1;
}

@media (min-width: 640px) {
    .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .stats-grid { grid-template-columns: repeat(4, 1fr); }
}

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

.stat-number {
    font-family: var(--font-display);
    font-size: clamp(3rem, 5vw, 4.5rem);
    font-weight: 800;
    line-height: 1;
    margin-bottom: 0.75rem;
    color: var(--color-light);
}

.stat-label {
    font-size: 0.95rem;
    color: rgba(255, 255, 255, 0.9);
    text-transform: uppercase;
    letter-spacing: 0.08em;
    font-weight: 500;
}

/* ===== STRUCTURE / FEATURES SECTION ===== */
.structure-section {
    background: var(--color-light);
}

.structure-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 1.5rem;
}

@media (min-width: 640px) {
    .structure-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (min-width: 992px) {
    .structure-grid { grid-template-columns: repeat(3, 1fr); }
    .structure-grid.structure-grid--4 { grid-template-columns: repeat(4, 1fr); }
}

.structure-card {
    position: relative;
    padding: 2.5rem 2rem;
    background: var(--color-light);
    border-radius: var(--radius-lg);
    border: 1px solid var(--color-light-tertiary);
    transition: all var(--transition-base);
    overflow: hidden;
}

.structure-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-light));
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-slow);
}

.structure-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(232, 90, 44, 0.15);
}

.structure-card:hover::before {
    transform: scaleX(1);
}

.structure-card-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-md);
    background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
    color: var(--color-light);
    display: grid;
    place-items: center;
    margin-bottom: 1.5rem;
    box-shadow: 0 8px 20px rgba(232, 90, 44, 0.3);
}

.structure-card-icon svg {
    width: 32px;
    height: 32px;
}

.structure-card h3 {
    font-size: 1.35rem;
    margin-bottom: 0.75rem;
}

.structure-card p {
    font-size: 0.95rem;
    line-height: 1.7;
}

/* ===== CLIENTS SECTION ===== */
.clients-section {
    background: var(--color-light-secondary);
    padding: 4rem 0;
}

.clients-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2rem;
    align-items: center;
    margin-top: 3rem;
}

@media (min-width: 640px) {
    .clients-grid { grid-template-columns: repeat(3, 1fr); }
}

@media (min-width: 992px) {
    .clients-grid { grid-template-columns: repeat(6, 1fr); }
}

.client-logo {
    display: flex;
    align-items: center;
    justify-content: center;
    height: 80px;
    padding: 1rem;
    font-family: var(--font-display);
    font-weight: 800;
    font-size: 1.25rem;
    color: var(--color-gray);
    text-align: center;
    letter-spacing: 0.05em;
    transition: all var(--transition-base);
    opacity: 1;
}

.client-logo:hover {
    opacity: 1;
    transform: scale(1.08);
    color: var(--color-text);
}

/* ===== CTA SECTION ===== */
.cta-section {
    background: var(--color-dark);
    color: var(--color-light);
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: 
        radial-gradient(ellipse at top right, rgba(232, 90, 44, 0.2), transparent 50%),
        radial-gradient(ellipse at bottom left, rgba(232, 90, 44, 0.15), transparent 50%);
}

.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}

.cta-inner h2 {
    color: var(--color-light);
    margin-bottom: 1.25rem;
}

.cta-inner h2 .highlight {
    color: var(--color-primary);
}

.cta-inner p {
    font-size: 1.125rem;
    color: rgba(255, 255, 255, 0.75);
    margin-bottom: 2.5rem;
}

.cta-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
    justify-content: center;
}

/* ===== FOOTER ===== */
.footer {
    background: var(--color-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 5rem 0 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 3rem;
    margin-bottom: 4rem;
}

@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    }
}

.footer-brand img {
    height: 44px;
    margin-bottom: 1.25rem;
}

.footer-brand p {
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.55);
    margin-bottom: 1.5rem;
    max-width: 320px;
}

.footer-title {
    color: var(--color-light);
    font-family: var(--font-display);
    font-size: 0.95rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    margin-bottom: 1.5rem;
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-list a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.9rem;
    transition: all var(--transition-base);
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
}

.footer-list a:hover {
    color: var(--color-primary);
    transform: translateX(4px);
}

.footer-contact-item {
    display: flex;
    align-items: flex-start;
    gap: 0.75rem;
    margin-bottom: 1rem;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

.footer-contact-item svg {
    flex-shrink: 0;
    width: 18px;
    height: 18px;
    color: var(--color-primary);
    margin-top: 2px;
}

.footer-bottom {
    padding-top: 2rem;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
    gap: 1rem;
}

.footer-bottom p {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
}

.footer-social {
    display: flex;
    gap: 0.75rem;
}

.footer-social a {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    display: grid;
    place-items: center;
    color: rgba(255, 255, 255, 0.7);
    transition: all var(--transition-base);
}

.footer-social a:hover {
    background: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-light);
    transform: translateY(-2px);
}

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

/* ===== WHATSAPP FLOATING BUTTON ===== */
.whatsapp-float {
    position: fixed;
    bottom: 1.75rem;
    right: 1.75rem;
    z-index: 999;
    display: flex;
    align-items: center;
    gap: 0;
    background: #25D366;
    color: var(--color-light);
    padding: 0;
    border-radius: var(--radius-full);
    box-shadow: 0 8px 30px rgba(37, 211, 102, 0.4);
    transition: all var(--transition-base);
    overflow: hidden;
}

.whatsapp-float:hover {
    background: #20BD5A;
    transform: translateY(-3px);
    box-shadow: 0 12px 40px rgba(37, 211, 102, 0.5);
}

.whatsapp-float-icon {
    width: 60px;
    height: 60px;
    display: grid;
    place-items: center;
    flex-shrink: 0;
}

.whatsapp-float-icon svg {
    width: 30px;
    height: 30px;
}

.whatsapp-float-text {
    max-width: 0;
    overflow: hidden;
    white-space: nowrap;
    font-weight: 600;
    font-size: 0.95rem;
    transition: max-width 0.4s ease, padding 0.4s ease;
}

.whatsapp-float:hover .whatsapp-float-text {
    max-width: 200px;
    padding-right: 1.5rem;
}

.whatsapp-float-pulse {
    position: absolute;
    top: 0;
    left: 0;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #25D366;
    animation: whatsappPulse 2s infinite;
    z-index: -1;
}

@keyframes whatsappPulse {
    0% {
        transform: scale(1);
        opacity: 0.6;
    }
    100% {
        transform: scale(1.6);
        opacity: 0;
    }
}

@media (max-width: 640px) {
    .whatsapp-float {
        bottom: 1.25rem;
        right: 1.25rem;
    }
    
    .whatsapp-float-icon {
        width: 56px;
        height: 56px;
    }
    
    .whatsapp-float-icon svg {
        width: 26px;
        height: 26px;
    }
    
    .whatsapp-float-pulse {
        width: 56px;
        height: 56px;
    }
}

/* ===== UTILITIES ===== */
.text-center { text-align: center; }
.text-orange { color: var(--color-primary); }
.text-white { color: var(--color-light); }

.bg-dark { background: var(--color-dark); }
.bg-light { background: var(--color-light); }
.bg-secondary { background: var(--color-light-secondary); }

.mb-1 { margin-bottom: 0.5rem; }
.mb-2 { margin-bottom: 1rem; }
.mb-3 { margin-bottom: 1.5rem; }
.mb-4 { margin-bottom: 2rem; }
.mb-5 { margin-bottom: 3rem; }