/* ============================================================
   PAVIARTE LANDING PAGE — DESIGN SYSTEM CSS
   Based on Stitch Design Tokens
   ============================================================ */

/* ---------- DESIGN TOKENS ---------- */
:root {
    /* Primary palette */
    --primary: #C1272D;
    --primary-container: #83161A;
    --on-primary: #ffffff;
    --on-primary-container: #ffbaaf;
    --primary-fixed: #ffdad4;
    --primary-fixed-dim: #ffb4a8;
    --on-primary-fixed: #410000;
    --on-primary-fixed-variant: #920602;
    --inverse-primary: #ffb4a8;

    /* Secondary palette */
    --secondary: #333333;
    --secondary-container: #F2F2F2;
    --on-secondary: #ffffff;
    --on-secondary-container: #656464;
    --secondary-fixed: #e4e2e1;
    --secondary-fixed-dim: #c8c6c6;
    --on-secondary-fixed: #1b1c1c;
    --on-secondary-fixed-variant: #474747;

    /* Tertiary palette */
    --tertiary: #6c2a00;
    --tertiary-container: #913b00;
    --on-tertiary: #ffffff;
    --on-tertiary-container: #ffbc9b;
    --tertiary-fixed: #ffdbcb;
    --tertiary-fixed-dim: #ffb692;
    --on-tertiary-fixed: #341100;
    --on-tertiary-fixed-variant: #7a3000;

    /* Neutral / Surface palette */
    --background: #fbf9f8;
    --on-background: #1b1c1c;
    --surface: #fbf9f8;
    --surface-dim: #dcd9d9;
    --surface-bright: #fbf9f8;
    --surface-container-lowest: #ffffff;
    --surface-container-low: #f6f3f2;
    --surface-container: #f0eded;
    --surface-container-high: #eae8e7;
    --surface-container-highest: #e4e2e1;
    --surface-variant: #e4e2e1;
    --on-surface: #1b1c1c;
    --on-surface-variant: #5a403c;
    --surface-tint: #b52618;
    --inverse-surface: #303030;
    --inverse-on-surface: #f3f0f0;

    /* Outline */
    --outline: #8e706b;
    --outline-variant: #e3beb8;

    /* Error */
    --error: #ba1a1a;
    --error-container: #ffdad6;
    --on-error: #ffffff;
    --on-error-container: #93000a;

    /* Radii */
    --radius-sm: 0.125rem;
    --radius-md: 0.25rem;
    --radius-lg: 0.5rem;
    --radius-xl: 0.75rem;
    --radius-2xl: 1rem;
    --radius-full: 9999px;

    /* Spacing */
    --space-xs: 0.25rem;
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 1.5rem;
    --space-xl: 2rem;
    --space-2xl: 3rem;
    --space-3xl: 4rem;
    --space-4xl: 6rem;

    /* Font families */
    --font-headline: 'Montserrat', sans-serif;
    --font-body: 'Inter', sans-serif;
    --font-label: 'Inter', sans-serif;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(27,28,28,0.04);
    --shadow-md: 0 4px 16px rgba(27,28,28,0.06);
    --shadow-lg: 0 8px 32px rgba(27,28,28,0.06);
    --shadow-xl: 0 16px 48px rgba(27,28,28,0.08);

    /* Transitions */
    --ease-out: cubic-bezier(0.16, 1, 0.3, 1);
    --transition-fast: 200ms var(--ease-out);
    --transition-base: 350ms var(--ease-out);
    --transition-slow: 700ms var(--ease-out);
}

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

/* ---------- SCROLLBAR ---------- */
::-webkit-scrollbar {
    width: 10px;
}
::-webkit-scrollbar-track {
    background: #f1f1f1;
}
::-webkit-scrollbar-thumb {
    background: #c1c1c1;
    border-radius: 10px;
    border: 2px solid #f1f1f1;
}
::-webkit-scrollbar-thumb:hover {
    background: #a8a8a8;
}

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

body {
    font-family: var(--font-body);
    background: var(--surface);
    color: var(--on-surface);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ---------- IMAGE PROTECTION ---------- */
img {
    max-width: 100%;
    display: block;
    height: auto;
    user-select: none;
    -webkit-user-select: none;
    -webkit-user-drag: none;
}

a {
    text-decoration: none;
    color: inherit;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-headline);
    line-height: 1.1;
    letter-spacing: -0.02em;
}

::selection {
    background: var(--primary-fixed);
    color: var(--on-primary-fixed);
}

.material-symbols-outlined {
    font-variation-settings: 'FILL' 0, 'wght' 400, 'GRAD' 0, 'opsz' 24;
}

/* ---------- LAYOUT ---------- */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* ---------- HEADER ---------- */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 50;
    background: transparent;
    transition: background var(--transition-base), box-shadow var(--transition-base), backdrop-filter var(--transition-base);
}

.site-header.scrolled {
    background: rgba(255, 255, 255, 0.95);
    box-shadow: var(--shadow-md);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.header-inner {
    max-width: 1680px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 3rem;
}

.logo-link {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

.logo-img {
    height: 60px;
    width: auto;
    object-fit: contain;
}

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

.nav-link {
    font-family: var(--font-body);
    font-size: 0.9375rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
    position: relative;
    transition: color var(--transition-fast);
}

.site-header.scrolled .nav-link {
    color: var(--on-surface-variant);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition-base);
}

.nav-link:hover {
    color: var(--primary);
}

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

.header-cta {
    font-size: 0.875rem;
    padding: 0.625rem 1.5rem;
}

/* Mobile menu button */
.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
    z-index: 60;
}

.hamburger-line {
    display: block;
    width: 24px;
    height: 2px;
    background: #ffffff;
    border-radius: 2px;
    transition: transform var(--transition-fast), background var(--transition-fast), opacity var(--transition-fast);
}

.site-header.scrolled .hamburger-line {
    background: var(--on-surface);
}

.mobile-menu-btn.active .hamburger-line:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}
.mobile-menu-btn.active .hamburger-line:nth-child(2) {
    opacity: 0;
}
.mobile-menu-btn.active .hamburger-line:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}
.mobile-menu-btn.active .hamburger-line {
    background: var(--primary-container) !important;
}

/* ---------- BUTTONS ---------- */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    color: var(--on-primary);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    text-transform: uppercase;
    border-radius: var(--radius-lg);
    border: none;
    cursor: pointer;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast), filter var(--transition-fast);
    user-select: none;
}

.btn-primary:hover {
    transform: scale(1.03);
    box-shadow: 0 8px 24px rgba(168, 28, 16, 0.3);
    filter: brightness(1.1);
}

.btn-primary:active {
    transform: scale(0.97);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #ffffff;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-lg);
    cursor: pointer;
    transition: background var(--transition-fast), transform var(--transition-fast);
    user-select: none;
}

.btn-ghost:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: scale(1.03);
}

.btn-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: transparent;
    color: var(--secondary);
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 1rem;
    padding: 0.75rem 2rem;
    border-radius: var(--radius-lg);
    border: 1px solid var(--secondary);
    cursor: pointer;
    transition: background var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
    user-select: none;
}

.btn-outline:hover {
    background: var(--secondary);
    color: #ffffff;
    transform: scale(1.03);
}

.btn-lg {
    padding: 1.25rem 2.5rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
    padding: 1.25rem;
    font-size: 1.125rem;
}

/* ---------- SECTION UTILITIES ---------- */
.section-tag {
    display: inline-block;
    font-family: var(--font-label);
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.2em;
    text-transform: uppercase;
    color: var(--primary);
    margin-bottom: 1rem;
    background: rgba(131, 1, 0, 0.08);
    padding: 0.5rem 1.25rem;
    border-radius: var(--radius-full);
    border: 1px solid rgba(131, 1, 0, 0.12);
}

.section-title {
    font-size: clamp(2rem, 5vw, 3.25rem);
    font-weight: 900;
    color: var(--on-surface);
    letter-spacing: -0.03em;
}

.section-header {
    margin-bottom: 4rem;
}

.section-header--center {
    text-align: center;
    margin-bottom: 4rem;
}

/* ---------- HERO ---------- */
.hero {
    position: relative;
    min-height: 100vh;
    min-height: 100svh;
    display: flex;
    align-items: center;
    overflow: hidden;
}

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

.hero-bg-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-width: none;
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: 
        linear-gradient(
            135deg,
            rgba(51, 51, 51, 0.7) 0%,
            rgba(51, 51, 51, 0.8) 40%,
            rgba(0, 0, 0, 0.6) 100%
        );
}

.hero-content {
    position: relative;
    z-index: 10;
    max-width: 1680px;
    margin: 0 auto;
    padding: 0 3rem;
    width: 100%;
}

.hero-text {
    max-width: 780px;
}

.hero-title {
    font-size: clamp(2.75rem, 7vw, 4.75rem);
    font-weight: 950;
    color: #ffffff;
    letter-spacing: -0.04em;
    margin-bottom: 2rem;
    line-height: 1;
}

.hero-title .highlight {
    color: #ff3c2d;
    background: linear-gradient(135deg, #ff3c2d 0%, var(--primary-container) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
    display: inline-block;
}

.hero-subtitle {
    font-size: clamp(1.125rem, 2vw, 1.5rem);
    color: var(--surface-variant);
    line-height: 1.6;
    margin-bottom: 2.5rem;
    max-width: 620px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 1rem;
}

/* ---------- SERVICES (BENTO GRID) ---------- */
.services {
    padding: 6rem 0;
    background: var(--surface-container-low);
    content-visibility: auto;
    contain-intrinsic-size: auto 2000px;
}

.services .container {
    max-width: 1600px;
}

.bento-grid {
    display: grid;
    grid-template-columns: repeat(16, 1fr);
    gap: 1.5rem;
}

.bento-card {
    position: relative;
    overflow: hidden;
    border-radius: var(--radius-xl);
    height: 400px;
    cursor: pointer;
    background: var(--inverse-surface);
}

.bento-wide {
    grid-column: span 8;
}

.bento-narrow {
    grid-column: span 4;
}

.bento-full {
    grid-column: span 12;
}

.bento-img {
    position: absolute;
    inset: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    max-width: none;
    transition: transform var(--transition-slow);
}

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

.bento-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(131, 1, 0, 0.85) 0%, rgba(48, 48, 48, 0.6) 50%, rgba(48, 48, 48, 0.4) 100%);
    transition: opacity var(--transition-base);
}

.bento-card:hover .bento-overlay {
    background: linear-gradient(to top, rgba(131, 1, 0, 0.95) 0%, rgba(48, 48, 48, 0.4) 50%, rgba(48, 48, 48, 0.3) 100%);
}

.bento-text {
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 2rem;
    color: #ffffff;
    z-index: 2;
}

.bento-text h3 {
    font-size: 1.875rem;
    font-weight: 800;
    margin-bottom: 0.5rem;
}

.bento-text p {
    color: var(--surface-variant);
    font-size: 0.9375rem;
    max-width: 400px;
    line-height: 1.5;
}

/* ---------- DIFFERENTIALS ---------- */
.differentials {
    background: var(--inverse-surface);
    padding: 6rem 0;
    position: relative;
    overflow: hidden;
    content-visibility: auto;
    contain-intrinsic-size: auto 600px;
}

.differentials::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(168, 28, 16, 0.15) 0%, transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}

.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 3rem;
}

.diff-card {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    padding: 2.5rem;
    border-radius: var(--radius-xl);
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255, 255, 255, 0.08);
    transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
}

.diff-card:hover {
    background: rgba(255, 255, 255, 0.08);
    border-color: rgba(168, 28, 16, 0.3);
    transform: translateY(-4px);
}

.diff-icon {
    width: 64px;
    height: 64px;
    border-radius: var(--radius-lg);
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    display: flex;
    align-items: center;
    justify-content: center;
}

.diff-icon .material-symbols-outlined {
    font-size: 1.875rem;
    color: #ffffff;
}

.diff-card h3 {
    font-size: 1.5rem;
    font-weight: 800;
    color: #ffffff;
}

.diff-card p {
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.7;
}

/* ---------- ABOUT ---------- */
.about {
    padding: 6rem 0;
    background: var(--surface);
    position: relative;
    content-visibility: auto;
    contain-intrinsic-size: auto 800px;
}

.about::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 6px;
    height: 100%;
    background: linear-gradient(to bottom, var(--primary), var(--primary-container), transparent);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    grid-template-areas: 
        "image info"
        "image actions";
    gap: 0 4rem;
    align-items: center;
}

.about-image-wrapper { 
    grid-area: image;
    position: relative;
}

.about-content {
    grid-area: info;
    align-self: flex-end;
}

.about-actions {
    grid-area: actions;
    align-self: flex-start;
    margin-top: 1.5rem;
}

.about-img {
    width: 100%;
    height: auto;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-xl);
}

.image-placeholder-modal {
    position: absolute;
    inset: 0;
    background: rgba(0, 0, 0, 0.4);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    border-radius: var(--radius-xl);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    text-align: center;
    padding: 2rem;
    border: 2px dashed rgba(255, 255, 255, 0.5);
    transition: background var(--transition-fast);
}

.image-placeholder-modal .material-symbols-outlined {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.8;
}

.image-placeholder-modal p {
    font-family: var(--font-body);
    font-size: 1.125rem;
    font-weight: 600;
}

.image-placeholder-modal p em {
    font-size: 0.875rem;
    font-style: normal;
    font-weight: 400;
    opacity: 0.75;
}

.about-content .section-title {
    margin-bottom: 2rem;
}

.about-text {
    font-size: 1.125rem;
    color: var(--secondary);
    line-height: 1.7;
    margin-bottom: 2rem;
}

.about-chips {
    display: flex;
    flex-wrap: wrap;
    gap: 0.75rem;
    margin-bottom: 2.5rem;
}

.chip {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, rgba(131, 1, 0, 0.08), rgba(168, 28, 16, 0.04));
    padding: 0.75rem 1.5rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    font-size: 0.9375rem;
    color: var(--on-surface);
    border: 1px solid rgba(131, 1, 0, 0.15);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.chip:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(131, 1, 0, 0.1);
}

.chip .material-symbols-outlined {
    color: var(--primary);
    font-size: 1.25rem;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--primary);
    font-weight: 700;
    font-size: 1rem;
    transition: gap var(--transition-fast);
}

.text-link:hover {
    gap: 1rem;
}

/* ---------- CLIENTES ---------- */
.clientes {
    background: var(--inverse-surface);
    padding: 6rem 0;
    content-visibility: auto;
    contain-intrinsic-size: auto 500px;
}

.clientes .section-tag {
    background: rgba(168, 28, 16, 0.2);
    color: var(--inverse-primary);
    border-color: rgba(168, 28, 16, 0.3);
}

.clientes .section-title {
    color: #ffffff;
}

/* ---------- TESTIMONIALS ---------- */
.testimonials {
    background: var(--surface);
    padding: 6rem 0;
}

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

.testimonial-card {
    background: var(--surface-container-lowest);
    padding: 2rem;
    border-radius: var(--radius-xl);
    box-shadow: var(--shadow-sm);
    border: 1px solid rgba(227, 190, 184, 0.1);
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.stars {
    display: flex;
    gap: 0.25rem;
    margin-bottom: 1.5rem;
}

.star-filled {
    color: var(--primary);
    font-variation-settings: 'FILL' 1;
}

.testimonial-text {
    color: var(--on-surface-variant);
    font-style: italic;
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.author-name {
    font-weight: 700;
    color: var(--on-surface);
    font-size: 1rem;
}

.author-role {
    font-size: 0.8125rem;
    color: var(--secondary);
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* ---------- CONTACT ---------- */
.contact {
    padding: 6rem 0;
    background: var(--surface-container-low);
    position: relative;
    content-visibility: auto;
    contain-intrinsic-size: auto 1000px;
}

.contact::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-container), var(--tertiary-container));
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
}

.contact-form-wrapper .section-title {
    margin-bottom: 1rem;
}

.contact-intro {
    color: var(--secondary);
    margin-bottom: 2.5rem;
    font-size: 1.0625rem;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

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

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-label);
    font-size: 0.8125rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--on-surface);
}

.form-group input,
.form-group select,
.form-group textarea {
    font-family: var(--font-body);
    font-size: 1rem;
    padding: 1rem;
    background: var(--surface-container-high);
    border: none;
    border-radius: var(--radius-lg);
    color: var(--on-surface);
    outline: none;
    transition: box-shadow var(--transition-fast);
    border-bottom: 2px solid transparent;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    border-bottom-color: var(--primary);
    box-shadow: var(--shadow-sm);
}

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

.contact-info-wrapper {
    display: flex;
    flex-direction: column;
    gap: 2.5rem;
}

.contact-details {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    font-weight: 600;
    color: var(--on-surface);
    padding: 1rem;
    border-radius: var(--radius-lg);
    background: var(--surface-container-lowest);
    transition: transform var(--transition-fast);
}

.contact-item:hover {
    transform: translateX(4px);
}

.contact-item .material-symbols-outlined {
    color: var(--on-primary);
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    padding: 0.5rem;
    border-radius: var(--radius-md);
    font-size: 1.25rem;
}

.map-container {
    flex: 1;
    min-height: 300px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--surface-container-high);
}

/* ---------- FOOTER ---------- */
.site-footer {
    background: #111111;
    padding: 4rem 0 0;
    position: relative;
}

.site-footer::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--primary-container), transparent);
}

.footer-cta-banner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 2rem;
    background: linear-gradient(135deg, var(--primary-container), var(--primary));
    padding: 3rem;
    border-radius: var(--radius-xl);
    margin-bottom: 4rem;
    position: relative;
    top: -3rem;
}

.footer-cta-banner h3 {
    font-size: 1.75rem;
    color: #ffffff;
    font-weight: 800;
}

.footer-cta-banner p {
    color: rgba(255,255,255,0.8);
    margin-top: 0.5rem;
}

.footer-cta-banner .btn-primary {
    background: #ffffff;
    color: var(--primary);
    flex-shrink: 0;
}

.footer-cta-banner .btn-primary:hover {
    box-shadow: 0 8px 32px rgba(0,0,0,0.2);
}

.footer-top {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 3rem;
    padding-bottom: 3rem;
    border-bottom: 1px solid rgba(255,255,255,0.08);
}

.footer-brand {
    max-width: 380px;
}

.footer-desc {
    color: rgba(255,255,255,0.5);
    font-size: 0.9rem;
    margin-top: 1.25rem;
    line-height: 1.6;
}

.footer-contact-info {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
    margin-top: 1.5rem;
}

.footer-contact-row {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    color: rgba(255,255,255,0.5);
    font-size: 0.85rem;
}

.footer-contact-row .material-symbols-outlined {
    font-size: 1.125rem;
    color: var(--primary-fixed-dim);
}

.footer-logo {
    height: 48px;
    width: auto;
    object-fit: contain;
}

.footer-links {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.footer-links h4 {
    color: #fff;
    font-size: 0.875rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    margin-bottom: 0.75rem;
    position: relative;
    padding-bottom: 0.75rem;
}

.footer-links h4::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 30px;
    height: 2px;
    background: var(--primary);
}

.footer-links a {
    font-family: var(--font-label);
    font-size: 0.875rem;
    color: rgba(255,255,255,0.45);
    text-decoration: none;
    transition: color var(--transition-fast), padding-left var(--transition-fast);
}

.footer-links a:hover {
    color: var(--primary-fixed-dim);
    padding-left: 4px;
}

.footer-bottom {
    padding: 2rem 0;
    display: flex;
    align-items: center;
    justify-content: center;
}

.footer-copy p {
    font-family: var(--font-label);
    font-size: 0.8125rem;
    color: rgba(255,255,255,0.3);
    letter-spacing: 0.05em;
}

.footer-stats {
    display: flex;
    gap: 3rem;
}

.footer-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.125rem;
}

.footer-stat-number {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 900;
    color: var(--primary-fixed-dim);
}

.footer-stat-label {
    font-size: 0.75rem;
    color: rgba(255,255,255,0.4);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

/* ---------- CLIENTES GRID ---------- */
.clientes-grid {
    display: flex;
    flex-wrap: wrap;
    gap: 3rem;
    justify-content: center;
    align-items: center;
    padding-top: 1rem;
}

.cliente-logo {
    height: 140px;
    max-width: 260px;
    object-fit: contain;
    opacity: 1;
    transition: all 0.4s var(--ease-out);
}

.cliente-logo:hover {
    opacity: 1;
    transform: scale(1.08);
}

/* ---------- WHATSAPP WIDGET ---------- */
.wa-widget {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    z-index: 100;
}

.whatsapp-fab {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    border: none;
    background: none;
    cursor: pointer;
    transition: transform var(--transition-fast), filter var(--transition-fast);
    filter: drop-shadow(0 4px 12px rgba(37, 211, 102, 0.4));
    position: relative;
    z-index: 101;
}

.whatsapp-fab:hover {
    transform: scale(1.1);
    filter: drop-shadow(0 8px 16px rgba(37, 211, 102, 0.6));
}

.whatsapp-fab:active {
    transform: scale(0.95);
}

.whatsapp-icon {
    width: 60px;
    height: 60px;
    object-fit: contain;
}

/* Chat Modal */
.wa-chat {
    position: absolute;
    bottom: 80px;
    right: 0;
    width: 360px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: 0 12px 48px rgba(0,0,0,0.2);
    transform: scale(0.8) translateY(20px);
    opacity: 0;
    pointer-events: none;
    transition: transform 0.35s var(--ease-out), opacity 0.35s var(--ease-out);
    transform-origin: bottom right;
}

.wa-chat.open {
    transform: scale(1) translateY(0);
    opacity: 1;
    pointer-events: auto;
}

.wa-chat-header {
    background: linear-gradient(135deg, #128C7E, #075E54);
    padding: 1.25rem 1.5rem;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.wa-chat-header-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.wa-chat-avatar {
    width: 40px;
    height: 40px;
    object-fit: contain;
    background: rgba(255,255,255,0.15);
    border-radius: 50%;
    padding: 4px;
}

.wa-chat-name {
    color: #ffffff;
    font-weight: 700;
    font-size: 0.9375rem;
}

.wa-chat-status {
    color: rgba(255,255,255,0.7);
    font-size: 0.75rem;
}

.wa-chat-close {
    background: none;
    border: none;
    color: rgba(255,255,255,0.8);
    cursor: pointer;
    padding: 0.25rem;
    border-radius: 50%;
    transition: background var(--transition-fast);
}

.wa-chat-close:hover {
    background: rgba(255,255,255,0.15);
}

.wa-chat-body {
    background: #ECE5DD;
    padding: 1.5rem;
    min-height: 200px;
}

.wa-bubble {
    max-width: 85%;
    padding: 0.75rem 1rem;
    border-radius: 0 var(--radius-lg) var(--radius-lg) var(--radius-lg);
    font-size: 0.875rem;
    line-height: 1.5;
    margin-bottom: 1rem;
}

.wa-bubble-received {
    background: #ffffff;
    color: var(--on-surface);
    box-shadow: 0 1px 2px rgba(0,0,0,0.08);
}

.wa-bubble-received p {
    margin-bottom: 0.25rem;
}

.wa-bubble-received p:last-child {
    margin-bottom: 0;
}

.wa-chat-form {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    margin-top: 0.5rem;
}

.wa-chat-form input {
    font-family: var(--font-body);
    font-size: 0.875rem;
    padding: 0.75rem 1rem;
    border: none;
    border-radius: var(--radius-lg);
    background: #ffffff;
    color: var(--on-surface);
    outline: none;
    box-shadow: 0 1px 2px rgba(0,0,0,0.06);
}

.wa-chat-form input:focus {
    box-shadow: 0 0 0 2px #128C7E;
}

.wa-chat-form input::placeholder {
    color: #999;
}

.wa-chat-send {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(135deg, #128C7E, #25D366);
    color: #ffffff;
    border: none;
    border-radius: var(--radius-lg);
    padding: 0.75rem;
    font-family: var(--font-body);
    font-weight: 700;
    font-size: 0.875rem;
    cursor: pointer;
    transition: filter var(--transition-fast), transform var(--transition-fast);
    margin-top: 0.25rem;
}

.wa-chat-send:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
}

.wa-chat-send .material-symbols-outlined {
    font-size: 1.125rem;
}

/* ---------- SCROLL ANIMATIONS ---------- */
.fade-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.6s var(--ease-out), transform 0.6s var(--ease-out);
    will-change: opacity, transform;
}

.fade-up.visible {
    opacity: 1;
    transform: translateY(0);
    will-change: auto;
}

/* ---------- RESPONSIVE ---------- */

/* Tablet */
@media (max-width: 1024px) {
    .bento-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .bento-wide,
    .bento-narrow {
        grid-column: span 1;
    }
    
    .bento-full {
        grid-column: span 2;
    }

    .bento-card {
        height: 320px;
    }

    .diff-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 2rem;
    }

    .about-grid {
        gap: 0 3rem;
    }

    .contact-grid {
        gap: 3rem;
    }

    .footer-top {
        grid-template-columns: 1fr 1fr;
    }

    .footer-cta-banner {
        flex-direction: column;
        text-align: center;
    }
}

/* Mobile */
@media (max-width: 768px) {
    /* Header */
    .mobile-menu-btn {
        display: flex;
    }

    .main-nav {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 320px;
        height: 100vh;
        height: 100svh;
        background: #111111;
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 2.5rem;
        gap: 2.5rem;
        box-shadow: -8px 0 32px rgba(0,0,0,0.6);
        transition: right var(--transition-base);
        z-index: 55;
    }

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

    /* Garante contraste dos links no mobile mesmo com header scrolled */
    .main-nav .nav-link,
    .main-nav.open .nav-link,
    .site-header.scrolled .main-nav .nav-link {
        font-size: 1.5rem;
        font-weight: 700;
        color: #ffffff !important;
        opacity: 1 !important;
        letter-spacing: -0.01em;
    }

    .header-cta {
        display: none;
    }

    /* Mobile overlay */
    .mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(0,0,0,0.5);
        z-index: 49;
        opacity: 0;
        pointer-events: none;
        transition: opacity var(--transition-base);
    }

    .mobile-overlay.active {
        opacity: 1;
        pointer-events: auto;
    }

    /* Hero */
    .hero {
        min-height: 100vh;
        min-height: 100svh;
        align-items: flex-start;
        padding-top: 18vh;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.05;
        margin-bottom: 1.25rem;
        letter-spacing: -0.04em;
        font-weight: 950;
    }

    .hero-subtitle {
        font-size: 0.9rem;
        opacity: 0.8;
        line-height: 1.5;
        max-width: 280px;
        margin: 0 auto 2rem;
    }

    .hero-actions {
        flex-direction: column;
        align-items: center;
        gap: 0.75rem;
        width: 100%;
    }

    .btn-lg {
        padding: 0.85rem 1.5rem;
        font-size: 1rem;
        text-align: center;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

    /* Bento */
    .bento-grid {
        grid-template-columns: 1fr;
    }

    .bento-wide,
    .bento-narrow,
    .bento-full {
        grid-column: span 1;
    }

    .bento-card {
        height: 280px;
    }

    .bento-text h3 {
        font-size: 1.5rem;
    }

    /* Differentials */
    .diff-grid {
        grid-template-columns: 1fr;
    }

    /* About */
    .about-grid {
        display: flex;
        flex-direction: column;
        gap: 1.25rem;
    }

    .about-content { 
        order: 1; 
        align-self: center;
        text-align: center;
    }

    .about-image-wrapper { 
        order: 2; 
        margin-top: 1rem; 
        margin-bottom: 1rem; 
        max-width: 85%;
        margin: 0 auto;
    }
    
    .about-actions { 
        order: 3; 
        align-self: center;
    }

    .about-img {
        height: auto;
    }

    .image-placeholder-modal {
        padding: 1rem;
    }
    
    .image-placeholder-modal .material-symbols-outlined {
        font-size: 2rem;
        margin-bottom: 0.5rem;
    }
    
    .image-placeholder-modal p {
        font-size: 0.9rem;
    }

    /* Centralização e Otimização para Mobile */
    .section-header, 
    .about-content,
    .contact-form-wrapper h2,
    .contact-intro {
        text-align: center;
    }

    .about-chips {
        justify-content: center;
    }
    
    .about-content .btn-primary {
        margin: 0 auto;
    }

    .hero-text {
        text-align: center;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .hero-actions {
        justify-content: center;
    }
    
    .diff-card {
        align-items: center;
        text-align: center;
        padding: 1.5rem;
        gap: 1rem;
    }
    
    .diff-card h3 {
        font-size: 1.25rem;
    }

    /* Clientes */
    .clientes-grid {
        gap: 2rem;
    }
    
    .cliente-logo {
        height: 100px;
        max-width: 40vw;
    }

    /* Testimonials */
    .testimonials-grid {
        grid-template-columns: 1fr;
    }

    /* Contact */
    .contact-grid {
        grid-template-columns: 1fr;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    /* Footer */
    .footer-top {
        grid-template-columns: 1fr 1fr;
        text-align: left;
        gap: 2rem 1.5rem;
    }

    .footer-brand {
        grid-column: 1 / -1;
        text-align: center;
        max-width: 100%;
    }

    .footer-top > .footer-links:nth-child(2),
    .footer-top > .footer-links:nth-child(3) {
        text-align: left;
    }
    
    .footer-top > .footer-links:last-child {
        grid-column: 1 / -1;
        text-align: center;
        align-items: center;
    }

    .footer-links h4::after {
        margin: 0;
    }
    
    .footer-top > .footer-links:last-child h4::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .footer-cta-banner {
        flex-direction: column;
        text-align: center;
        padding: 2rem;
        top: -2rem;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 2rem;
        text-align: center;
    }

    .footer-contact-row {
        justify-content: center;
    }

    /* WhatsApp */
    .wa-chat {
        width: calc(100vw - 2rem);
        right: -1rem;
    }
}

/* Small mobile */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .header-inner {
        padding: 0.75rem 1rem;
    }

    .hero-content {
        padding: 0 1rem;
    }

    .hero-title {
        font-size: 2.5rem;
        line-height: 1.05;
        letter-spacing: -0.04em;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .services,
    .differentials,
    .about,
    .testimonials,
    .contact {
        padding: 4rem 0;
    }
}