/* ============================================
   STOCKES INDÚSTRIA — Premium Landing Page CSS
   ============================================ */

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

:root {
    /* Brand Colors */
    --orange: #E8600A;
    --orange-light: #FF7A1A;
    --orange-dark: #C44D00;
    --orange-glow: rgba(232, 96, 10, 0.3);
    --orange-subtle: rgba(232, 96, 10, 0.08);

    /* Neutrals */
    --black: #0A0A0A;
    --black-light: #111111;
    --gray-900: #1A1A1A;
    --gray-800: #2A2A2A;
    --gray-700: #3A3A3A;
    --gray-600: #555555;
    --gray-400: #999999;
    --gray-300: #BBBBBB;
    --gray-200: #E0E0E0;
    --gray-100: #F0F0F0;
    --white: #FFFFFF;

    /* Backgrounds */
    --bg-dark: #0A0A0A;
    --bg-dark-card: #141414;
    --bg-light: #F8F8F8;
    --bg-light-card: #FFFFFF;

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

    /* Spacing */
    --section-padding: 120px;
    --container-width: 1200px;

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-smooth: 0.5s cubic-bezier(0.4, 0, 0.2, 1);

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-xl: 24px;
}

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

body {
    font-family: var(--font-body);
    color: var(--white);
    background: var(--bg-dark);
    overflow-x: hidden;
    line-height: 1.6;
}

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

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

.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
}

/* === PRELOADER === */
.preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--black);
    z-index: 10000;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: opacity 0.6s ease, visibility 0.6s ease;
}

.preloader.hidden {
    opacity: 0;
    visibility: hidden;
}

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

.preloader-icon {
    width: 48px;
    height: 48px;
    border: 3px solid var(--gray-800);
    border-top-color: var(--orange);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
    margin: 0 auto 16px;
}

.preloader-text {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 4px;
    color: var(--gray-400);
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* === NAVBAR === */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    padding: 20px 0;
    transition: all 0.4s ease;
}

.navbar.scrolled {
    background: rgba(10, 10, 10, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    padding: 12px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.nav-container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.nav-logo {
    display: flex;
    align-items: center;
    gap: 10px;
}

.logo-icon {
    width: 40px;
    height: 40px;
    background: var(--orange);
    color: var(--white);
    font-family: var(--font-heading);
    font-weight: 900;
    font-size: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 8px;
}

.logo-text {
    font-family: var(--font-heading);
    font-weight: 800;
    font-size: 22px;
    letter-spacing: 1px;
    color: var(--white);
}

.logo-badge {
    font-family: var(--font-heading);
    font-size: 9px;
    font-weight: 700;
    letter-spacing: 2px;
    background: var(--orange);
    color: var(--white);
    padding: 3px 8px;
    border-radius: 4px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gray-300);
    position: relative;
}

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

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

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

.nav-link-cta {
    background: var(--orange);
    color: var(--white) !important;
    padding: 10px 24px;
    border-radius: var(--radius-sm);
    font-weight: 600;
}

.nav-link-cta::after {
    display: none;
}

.nav-link-cta:hover {
    background: var(--orange-light);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px var(--orange-glow);
}

.nav-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.nav-toggle span {
    width: 24px;
    height: 2px;
    background: var(--white);
    transition: var(--transition-normal);
}

.nav-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

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

.nav-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* === HERO === */
.hero {
    position: relative;
    min-height: 100vh;
    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;
    opacity: 0.4;
    filter: brightness(0.5);
}

.hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(10, 10, 10, 0.95) 0%,
        rgba(10, 10, 10, 0.7) 40%,
        rgba(10, 10, 10, 0.4) 70%,
        rgba(10, 10, 10, 0.8) 100%
    );
}

.hero-particles {
    position: absolute;
    inset: 0;
    z-index: 1;
    overflow: hidden;
}

.particle {
    position: absolute;
    background: var(--orange);
    border-radius: 50%;
    opacity: 0;
    animation: float-particle linear infinite;
}

@keyframes float-particle {
    0% {
        opacity: 0;
        transform: translateY(100vh) scale(0);
    }
    10% {
        opacity: 0.6;
    }
    90% {
        opacity: 0.2;
    }
    100% {
        opacity: 0;
        transform: translateY(-20vh) scale(1);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 24px;
    padding-top: 100px;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(232, 96, 10, 0.1);
    border: 1px solid rgba(232, 96, 10, 0.3);
    padding: 8px 20px;
    border-radius: 100px;
    font-size: 13px;
    font-weight: 600;
    color: var(--orange-light);
    margin-bottom: 32px;
    animation: fadeInUp 0.8s ease 0.3s both;
}

.badge-dot {
    width: 8px;
    height: 8px;
    background: var(--orange);
    border-radius: 50%;
    animation: pulse-dot 2s ease infinite;
}

@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.hero-title {
    font-family: var(--font-heading);
    font-size: clamp(40px, 6vw, 80px);
    font-weight: 900;
    line-height: 1.05;
    margin-bottom: 24px;
}

.title-line {
    display: block;
    animation: fadeInUp 0.8s ease both;
}

.title-line:nth-child(1) { animation-delay: 0.4s; }
.title-line:nth-child(2) { animation-delay: 0.6s; }
.title-line:nth-child(3) { animation-delay: 0.8s; }

.title-highlight {
    background: linear-gradient(135deg, var(--orange), var(--orange-light));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.title-small {
    font-size: clamp(20px, 3vw, 36px);
    font-weight: 400;
    color: var(--gray-400);
    margin-top: 8px;
}

.hero-description {
    font-size: 18px;
    color: var(--gray-300);
    max-width: 600px;
    line-height: 1.7;
    margin-bottom: 40px;
    animation: fadeInUp 0.8s ease 1s both;
}

.hero-description strong {
    color: var(--white);
    font-weight: 600;
}

.hero-actions {
    display: flex;
    gap: 16px;
    margin-bottom: 64px;
    animation: fadeInUp 0.8s ease 1.2s both;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 16px 32px;
    border-radius: var(--radius-sm);
    font-family: var(--font-body);
    font-size: 15px;
    font-weight: 600;
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    position: relative;
    overflow: hidden;
}

.btn-primary {
    background: var(--orange);
    color: var(--white);
}

.btn-primary:hover {
    background: var(--orange-light);
    transform: translateY(-3px);
    box-shadow: 0 12px 32px var(--orange-glow);
}

.btn-secondary {
    background: transparent;
    color: var(--white);
    border: 1px solid var(--gray-700);
}

.btn-secondary:hover {
    border-color: var(--orange);
    color: var(--orange-light);
    background: var(--orange-subtle);
}

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

/* Hero Stats */
.hero-stats {
    display: flex;
    align-items: center;
    gap: 40px;
    animation: fadeInUp 0.8s ease 1.4s both;
}

.stat {
    display: flex;
    flex-direction: column;
}

.stat-number {
    font-family: var(--font-heading);
    font-size: 42px;
    font-weight: 900;
    color: var(--orange);
    line-height: 1;
}

.stat-unit {
    display: inline;
    font-size: 20px;
    font-weight: 700;
    color: var(--orange-light);
}

.stat-label {
    font-size: 13px;
    color: var(--gray-400);
    font-weight: 500;
    margin-top: 4px;
}

.stat-divider {
    width: 1px;
    height: 48px;
    background: var(--gray-700);
}

/* Hero Scroll Indicator */
.hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    animation: fadeInUp 0.8s ease 1.6s both;
}

.hero-scroll span {
    font-size: 11px;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--gray-400);
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--orange), transparent);
    animation: scroll-pulse 2s ease infinite;
}

@keyframes scroll-pulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.5); }
    50% { opacity: 1; transform: scaleY(1); }
}

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

/* === SECTIONS === */
.section {
    padding: var(--section-padding) 0;
    position: relative;
}

.section-dark {
    background: var(--bg-dark);
    color: var(--white);
}

.section-light {
    background: var(--bg-light);
    color: var(--black);
}

.section-gradient {
    background: linear-gradient(135deg, var(--gray-900) 0%, var(--black) 50%, #1a0800 100%);
    color: var(--white);
}

.section-header {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 64px;
}

.section-tag {
    display: inline-block;
    font-size: 12px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
    color: var(--orange);
    margin-bottom: 16px;
    position: relative;
    padding: 0 16px;
}

.section-tag::before,
.section-tag::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 24px;
    height: 1px;
    background: var(--orange);
}

.section-tag::before { right: 100%; }
.section-tag::after { left: 100%; }

.section-title {
    font-family: var(--font-heading);
    font-size: clamp(32px, 4vw, 48px);
    font-weight: 800;
    line-height: 1.15;
    margin-bottom: 16px;
}

.text-accent {
    color: var(--orange);
}

.section-light .text-accent {
    color: var(--orange);
}

.section-subtitle {
    font-size: 17px;
    color: var(--gray-400);
    line-height: 1.7;
}

.section-light .section-subtitle {
    color: var(--gray-600);
}

/* === MACHINE SHOWCASE === */
.machine-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
    align-items: start;
}

.machine-card-main {
    background: var(--bg-dark-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    padding: 48px;
    position: relative;
    overflow: hidden;
    transition: var(--transition-smooth);
}

.machine-card-main:hover {
    border-color: var(--orange);
    transform: translateY(-4px);
}

.machine-card-glow {
    position: absolute;
    top: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle at center, var(--orange-glow) 0%, transparent 60%);
    opacity: 0;
    transition: opacity 0.6s ease;
}

.machine-card-main:hover .machine-card-glow {
    opacity: 0.15;
}

.machine-icon {
    width: 72px;
    height: 72px;
    background: var(--orange-subtle);
    border: 1px solid rgba(232, 96, 10, 0.2);
    border-radius: var(--radius-md);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    margin-bottom: 24px;
}

.machine-name {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 4px;
}

.machine-brand {
    font-size: 14px;
    color: var(--gray-400);
    margin-bottom: 32px;
}

.machine-specs {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.spec {
    padding: 16px;
    background: rgba(255, 255, 255, 0.03);
    border-radius: var(--radius-sm);
    border: 1px solid var(--gray-800);
}

.spec-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 800;
    color: var(--orange);
}

.spec-label {
    display: block;
    font-size: 12px;
    color: var(--gray-400);
    margin-top: 4px;
}

/* Capabilities Grid */
.capabilities-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.cap-card {
    background: var(--bg-dark-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-md);
    padding: 32px;
    transition: var(--transition-smooth);
}

.cap-card:hover {
    border-color: var(--orange);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
}

.cap-icon {
    color: var(--orange);
    margin-bottom: 16px;
}

.cap-card h4 {
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 8px;
}

.cap-card p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.6;
}

/* === PROCESS TIMELINE === */
.process-timeline {
    max-width: 700px;
    margin: 0 auto 48px;
}

.process-step {
    display: flex;
    gap: 32px;
    margin-bottom: 0;
}

.step-marker {
    display: flex;
    flex-direction: column;
    align-items: center;
    flex-shrink: 0;
}

.step-number {
    width: 56px;
    height: 56px;
    background: var(--white);
    color: var(--orange);
    border: 2px solid var(--orange);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 800;
    position: relative;
    z-index: 1;
    transition: var(--transition-normal);
}

.process-step:hover .step-number {
    background: var(--orange);
    color: var(--white);
}

.step-line {
    width: 2px;
    flex: 1;
    background: linear-gradient(to bottom, var(--orange), var(--gray-200));
    margin: 8px 0;
}

.step-content {
    padding-bottom: 48px;
}

.step-icon-wrap {
    width: 48px;
    height: 48px;
    background: var(--orange-subtle);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--orange);
    margin-bottom: 16px;
}

.section-light .step-icon-wrap {
    background: rgba(232, 96, 10, 0.08);
}

.step-content h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 8px;
    color: var(--black);
}

.step-content p {
    font-size: 15px;
    color: var(--gray-600);
    line-height: 1.7;
}

.process-image {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: 0 24px 64px rgba(0, 0, 0, 0.1);
}

.process-image img {
    width: 100%;
    transition: transform 0.6s ease;
}

.process-image:hover img {
    transform: scale(1.02);
}

/* === APPLICATIONS === */
.applications-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 48px;
}

.app-card {
    background: var(--bg-dark-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.app-card:hover {
    border-color: var(--orange);
    transform: translateY(-6px);
    box-shadow: 0 24px 48px rgba(0, 0, 0, 0.4);
}

.app-card-featured {
    grid-row: span 2;
    background: linear-gradient(135deg, var(--bg-dark-card) 0%, #1a0800 100%);
    border-color: rgba(232, 96, 10, 0.3);
}

.app-card-bg {
    position: absolute;
    top: 0;
    right: 0;
    width: 200px;
    height: 200px;
    background: radial-gradient(circle, var(--orange-glow) 0%, transparent 70%);
    opacity: 0.1;
}

.app-icon {
    color: var(--orange);
    margin-bottom: 20px;
}

.app-card h3 {
    font-family: var(--font-heading);
    font-size: 22px;
    font-weight: 700;
    margin-bottom: 16px;
}

.app-list {
    list-style: none;
    padding: 0;
}

.app-list li {
    font-size: 14px;
    color: var(--gray-300);
    padding: 8px 0;
    border-bottom: 1px solid var(--gray-800);
    padding-left: 16px;
    position: relative;
}

.app-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    width: 6px;
    height: 6px;
    background: var(--orange);
    border-radius: 50%;
    transform: translateY(-50%);
}

.app-list li:last-child {
    border-bottom: none;
}

.app-tag {
    display: inline-block;
    margin-top: 20px;
    background: var(--orange);
    color: var(--white);
    padding: 6px 16px;
    border-radius: 100px;
    font-size: 12px;
    font-weight: 700;
}

.app-image-showcase {
    border-radius: var(--radius-lg);
    overflow: hidden;
    position: relative;
}

.app-image-showcase img {
    width: 100%;
    transition: transform 0.6s ease;
}

.app-image-showcase:hover img {
    transform: scale(1.02);
}

.image-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8), transparent);
    padding: 32px 24px 16px;
    font-size: 14px;
    color: var(--gray-300);
    text-align: center;
}

/* === MATERIALS === */
.materials-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.material-card {
    background: var(--bg-light-card);
    border: 1px solid var(--gray-200);
    border-radius: var(--radius-lg);
    padding: 36px;
    transition: var(--transition-smooth);
}

.material-card:hover {
    border-color: var(--orange);
    transform: translateY(-4px);
    box-shadow: 0 16px 48px rgba(0, 0, 0, 0.08);
}

.material-featured {
    grid-column: span 2;
    background: linear-gradient(135deg, #FFF5EC, #FFF);
    border-color: rgba(232, 96, 10, 0.3);
}

.material-header {
    margin-bottom: 24px;
}

.material-tag {
    display: inline-block;
    background: var(--orange);
    color: var(--white);
    padding: 4px 12px;
    border-radius: 100px;
    font-size: 11px;
    font-weight: 700;
    margin-bottom: 8px;
}

.material-header h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    font-weight: 800;
    color: var(--black);
}

.material-props {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 16px;
}

.material-featured .material-props {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
}

.prop {
    padding: 12px 16px;
    background: rgba(232, 96, 10, 0.05);
    border-radius: var(--radius-sm);
    border: 1px solid rgba(232, 96, 10, 0.1);
}

.prop-name {
    display: block;
    font-size: 11px;
    color: var(--gray-600);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.prop-value {
    display: block;
    font-family: var(--font-heading);
    font-size: 18px;
    font-weight: 700;
    color: var(--orange-dark);
}

.material-desc {
    font-size: 14px;
    color: var(--gray-600);
    line-height: 1.7;
}

/* === DIFFERENTIALS === */
.diff-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.diff-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-lg);
    padding: 40px;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.diff-card:hover {
    border-color: var(--orange);
    transform: translateY(-6px);
    background: rgba(232, 96, 10, 0.03);
}

.diff-number {
    font-family: var(--font-heading);
    font-size: 48px;
    font-weight: 900;
    color: rgba(232, 96, 10, 0.15);
    line-height: 1;
    margin-bottom: 16px;
}

.diff-card h3 {
    font-family: var(--font-heading);
    font-size: 20px;
    font-weight: 700;
    margin-bottom: 12px;
}

.diff-card p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
}

.diff-card p strong {
    color: var(--orange-light);
}

/* === CONTACT === */
.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: start;
}

.contact-info .section-tag {
    padding-left: 0;
}

.contact-info .section-tag::before {
    display: none;
}

.contact-info .section-title {
    text-align: left;
}

.contact-desc {
    font-size: 16px;
    color: var(--gray-400);
    line-height: 1.7;
    margin-top: 16px;
    margin-bottom: 32px;
}

.contact-desc strong {
    color: var(--white);
}

.contact-channels {
    display: flex;
    flex-direction: column;
    gap: 16px;
    margin-bottom: 32px;
}

.channel-card {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 20px;
    background: var(--bg-dark-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-md);
    transition: var(--transition-normal);
}

.channel-card:hover {
    border-color: var(--orange);
    transform: translateX(8px);
}

.channel-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.channel-whatsapp {
    background: #25D366;
    color: #fff;
}

.channel-email {
    background: var(--orange);
    color: #fff;
}

.channel-card strong {
    display: block;
    font-size: 15px;
    font-weight: 600;
}

.channel-card span {
    font-size: 13px;
    color: var(--gray-400);
}

.contact-location {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 14px;
    color: var(--gray-400);
}

/* Contact Form */
.contact-form-wrap {
    position: sticky;
    top: 100px;
}

.contact-form {
    background: var(--bg-dark-card);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-xl);
    padding: 40px;
}

.form-title {
    font-family: var(--font-heading);
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 24px;
    text-align: center;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--gray-300);
    margin-bottom: 6px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    background: var(--gray-900);
    border: 1px solid var(--gray-700);
    border-radius: var(--radius-sm);
    color: var(--white);
    font-family: var(--font-body);
    font-size: 14px;
    transition: var(--transition-normal);
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--gray-600);
}

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

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg width='12' height='8' viewBox='0 0 12 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 1.5L6 6.5L11 1.5' stroke='%23999' stroke-width='1.5' stroke-linecap='round'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 16px center;
    cursor: pointer;
}

.form-group select option {
    background: var(--gray-900);
    color: var(--white);
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-note {
    text-align: center;
    font-size: 12px;
    color: var(--gray-600);
    margin-top: 12px;
}

/* === FOOTER === */
.footer {
    background: var(--black);
    border-top: 1px solid var(--gray-800);
    padding: 64px 0 32px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

.footer-brand p {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.7;
    margin-top: 16px;
    max-width: 320px;
}

.footer-social {
    display: flex;
    gap: 12px;
    margin-top: 20px;
}

.footer-social a {
    width: 40px;
    height: 40px;
    background: var(--gray-900);
    border: 1px solid var(--gray-800);
    border-radius: var(--radius-sm);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--gray-400);
    transition: var(--transition-normal);
}

.footer-social a:hover {
    background: var(--orange);
    color: var(--white);
    border-color: var(--orange);
    transform: translateY(-3px);
}

.footer-links h4 {
    font-family: var(--font-heading);
    font-size: 14px;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--white);
}

.footer-links a,
.footer-address {
    display: block;
    font-size: 14px;
    color: var(--gray-400);
    padding: 6px 0;
    transition: var(--transition-normal);
}

.footer-links a:hover {
    color: var(--orange-light);
    transform: translateX(4px);
}

.footer-address {
    line-height: 1.6;
}

.footer-bottom {
    border-top: 1px solid var(--gray-800);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--gray-600);
}

.footer-store-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--orange);
}

.footer-store-link:hover {
    color: var(--orange-light);
}

/* === BUTTON SPINNER === */
.btn-spinner {
    width: 18px;
    height: 18px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.6s linear infinite;
    display: inline-block;
}

/* === WHATSAPP FLOAT === */
.whatsapp-float {
    position: fixed;
    bottom: 28px;
    right: 28px;
    width: 60px;
    height: 60px;
    background: #25D366;
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: all 0.3s ease;
    animation: whatsapp-pulse 3s ease infinite;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 32px rgba(37, 211, 102, 0.5);
}

@keyframes whatsapp-pulse {
    0%, 100% { box-shadow: 0 6px 24px rgba(37, 211, 102, 0.4); }
    50% { box-shadow: 0 6px 36px rgba(37, 211, 102, 0.6); }
}

/* === SCROLL ANIMATIONS === */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

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

/* === RESPONSIVE === */
@media (max-width: 1024px) {
    :root {
        --section-padding: 80px;
    }

    .machine-showcase {
        grid-template-columns: 1fr;
    }

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

    .app-card-featured {
        grid-column: span 2;
        grid-row: span 1;
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr;
        gap: 48px;
    }

    .footer-content {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    :root {
        --section-padding: 64px;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: -100%;
        width: 80%;
        max-width: 360px;
        height: 100vh;
        background: var(--bg-dark);
        flex-direction: column;
        justify-content: center;
        gap: 24px;
        padding: 40px;
        border-left: 1px solid var(--gray-800);
        transition: right 0.4s ease;
    }

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

    .nav-toggle {
        display: flex;
        z-index: 1001;
    }

    .hero-stats {
        flex-direction: column;
        gap: 24px;
        align-items: flex-start;
    }

    .stat-divider {
        width: 48px;
        height: 1px;
    }

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

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

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

    .app-card-featured {
        grid-column: span 1;
    }

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

    .material-featured {
        grid-column: span 1;
    }

    .material-featured .material-props {
        grid-template-columns: 1fr 1fr;
    }

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

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

    .footer-content {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .machine-card-main {
        padding: 32px;
    }

    .machine-specs {
        grid-template-columns: 1fr;
    }

    .contact-form {
        padding: 28px;
    }
}