/* ============================================
   ALPHA HIDES - LEATHER SOLUTIONS
   CSS - Sage Green Brand Identity (logo_verde tones)
============================================= */

/* ============================================
   DESIGN TOKENS
============================================= */
:root {
    /* PALETA SAGE GREEN - inspirada no logo_verde.png */
    --sage-lightest: #F4F7F2;
    --sage-light: #E1E9DB;
    --sage-medium: #8BAD7A;
    --sage-main: #7A9E6B;
    --sage-dark: #5E8150;
    --sage-deeper: #4A6B3F;
    --sage-deepest: #344D2D;

    /* Complementares */
    --olive-warm: #8B9A6D;
    --olive-light: #A8B894;
    --earth-brown: #6B5B4A;
    --earth-light: #8C7A68;

    /* CTA / Destaque */
    --cta-sage: #7A9E6B;
    --cta-sage-light: #92B584;
    --cta-sage-hover: #5E8150;

    /* Neutros */
    --white: #FFFFFF;
    --bg-main: #FAFCF8;
    --bg-alt: #F2F5EF;
    --gray-100: #EDF1E9;
    --gray-200: #D5DDD0;
    --gray-300: #B4C0AD;
    --gray-400: #7D8B75;
    --gray-500: #5A6654;
    --gray-600: #434E3D;
    --gray-700: #333D2E;
    --gray-800: #222B1E;
    --black: #1A2116;

    /* Tipografia */
    --font-primary: 'Montserrat', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --font-secondary: 'Open Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;

    /* Layout */
    --section-padding: 96px;
    --section-padding-mobile: 64px;
    --radius-sm: 8px;
    --radius: 12px;
    --radius-lg: 18px;

    /* Sombras */
    --shadow-soft: 0 4px 12px rgba(26, 33, 22, 0.04);
    --shadow-md: 0 8px 24px rgba(26, 33, 22, 0.08);
    --shadow-lg: 0 16px 40px rgba(26, 33, 22, 0.12);
    --shadow-xl: 0 24px 60px rgba(26, 33, 22, 0.16);

    /* Bordas */
    --border-light: 1px solid rgba(122, 158, 107, 0.12);
    --border-medium: 1px solid rgba(122, 158, 107, 0.2);

    /* Transições */
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-secondary);
    font-size: 16px;
    line-height: 1.7;
    color: #3A4435;
    background-color: var(--bg-main);
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-primary);
    font-weight: 700;
    line-height: 1.25;
    color: var(--gray-800);
    letter-spacing: -0.01em;
}

h1 { font-size: 58px; margin-bottom: 24px; }
h2 { font-size: 42px; margin-bottom: 20px; }
h3 { font-size: 28px; margin-bottom: 16px; }
h4 { font-size: 20px; margin-bottom: 12px; }

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

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

/* ============================================
   UTILITIES
============================================= */
.section-padding {
    padding: var(--section-padding) 0;
}

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 13px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2.5px;
    color: var(--sage-dark);
    margin-bottom: 16px;
    position: relative;
    padding-left: 50px;
}

.section-tag::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 38px;
    height: 2px;
    background: linear-gradient(90deg, var(--sage-medium) 0%, var(--sage-dark) 100%);
    border-radius: 2px;
}

.section-title {
    font-size: 42px;
    font-weight: 800;
    margin-bottom: 20px;
    color: var(--gray-800);
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-500);
    max-width: 720px;
    margin: 0 auto;
}

/* Bootstrap Overrides - Botões */
.btn-primary {
    background: linear-gradient(135deg, var(--cta-sage) 0%, var(--cta-sage-hover) 100%) !important;
    border: 1px solid var(--cta-sage-hover) !important;
    color: var(--white) !important;
    box-shadow: 0 4px 12px rgba(94, 129, 80, 0.3);
}

.btn-primary:hover,
.btn-primary:focus,
.btn-primary:active {
    background: linear-gradient(135deg, var(--cta-sage-light) 0%, var(--cta-sage) 100%) !important;
    border-color: var(--cta-sage-light) !important;
    color: var(--white) !important;
    box-shadow: 0 6px 18px rgba(94, 129, 80, 0.4);
    transform: translateY(-2px);
}

/* ============================================
   HEADER
============================================= */
.header-area {
    position: relative;
    z-index: 1000;
}

/* ============================================
   TOP BAR
============================================= */
.top-bar {
    font-size: 14px;
    background: linear-gradient(135deg, var(--sage-deepest) 0%, var(--black) 100%);
}

.top-bar a:hover {
    color: var(--cta-sage-light) !important;
}

.language-selector .lang-btn {
    font-size: 12px;
    font-weight: 600;
    padding: 5px 14px;
    margin-left: 6px;
    border-radius: var(--radius-sm);
    border: 1px solid rgba(255, 255, 255, 0.2);
    transition: var(--transition);
}

.language-selector .lang-btn.active,
.language-selector .lang-btn:hover {
    background: var(--cta-sage);
    border-color: var(--cta-sage);
    color: var(--white);
}

/* ============================================
   NAVBAR
============================================= */
.navbar {
    padding: 16px 0;
    transition: var(--transition);
    background: linear-gradient(135deg, var(--sage-main) 0%, var(--sage-dark) 100%) !important;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    box-shadow: var(--shadow-md);
}

.navbar-brand {
    padding: 0;
    margin-right: 32px;
}

.navbar-brand .logo-img {
    height: 80px;
    width: auto;
    transition: var(--transition);
}

.navbar-brand:hover .logo-img {
    opacity: 0.85;
}

.navbar.scrolled {
    padding: 10px 0;
    background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage-deeper) 100%) !important;
    box-shadow: var(--shadow-lg);
}

.navbar.scrolled .logo-img {
    height: 55px;
}

.navbar-nav .nav-link {
    font-family: var(--font-primary);
    font-size: 15px;
    font-weight: 600;
    color: rgba(255, 255, 255, 0.9) !important;
    padding: 10px 20px;
    position: relative;
    transition: var(--transition);
}

.navbar-nav .nav-link::after {
    content: '';
    position: absolute;
    bottom: 6px;
    left: 20px;
    width: 0;
    height: 2px;
    background: var(--white);
    transition: var(--transition);
    border-radius: 2px;
}

.navbar-nav .nav-link:hover,
.navbar-nav .nav-link.active {
    color: var(--white) !important;
}

.navbar-nav .nav-link:hover::after,
.navbar-nav .nav-link.active::after {
    width: calc(100% - 40px);
}

/* Dropdown toggle - override the bootstrap caret */
.navbar-nav .dropdown-toggle::after {
    border-top-color: rgba(255, 255, 255, 0.8);
}

/* Dropdown Menu */
.dropdown-menu {
    border: var(--border-light);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    padding: 8px 0;
    min-width: 220px;
    background: var(--white);
}

.dropdown-item {
    font-family: var(--font-primary);
    font-size: 14px;
    font-weight: 500;
    padding: 10px 20px;
    color: var(--gray-700);
    transition: var(--transition);
}

.dropdown-item:hover {
    background: var(--sage-lightest);
    color: var(--sage-dark);
    padding-left: 24px;
}

/* Mobile Toggle */
.navbar-toggler {
    border-color: rgba(255, 255, 255, 0.4);
}

.navbar-toggler-icon {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255, 255, 255, 0.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}

/* Menu Mobile */
.navbar-collapse {
    background: transparent;
    padding: 20px 0;
}

/* Seletor de Idiomas Mobile */
.language-selector-mobile {
    text-align: center;
    padding: 16px 0;
    border-top: 1px solid rgba(122, 158, 107, 0.15);
}

.language-selector-mobile .lang-btn {
    margin: 0 4px;
    border-color: rgba(122, 158, 107, 0.3) !important;
    color: var(--gray-700) !important;
}

.language-selector-mobile .lang-btn.active,
.language-selector-mobile .lang-btn:hover {
    background: var(--cta-sage) !important;
    border-color: var(--cta-sage) !important;
    color: var(--white) !important;
}

.cta-btn {
    font-family: var(--font-primary);
    font-weight: 600;
    padding: 12px 26px;
    border-radius: var(--radius);
    background: linear-gradient(135deg, var(--cta-sage) 0%, var(--cta-sage-hover) 100%);
    border: 1px solid var(--cta-sage-hover);
    color: var(--white);
    transition: var(--transition);
    box-shadow: 0 4px 12px rgba(94, 129, 80, 0.3);
}

.cta-btn:hover {
    background: linear-gradient(135deg, var(--cta-sage-light) 0%, var(--cta-sage) 100%);
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(94, 129, 80, 0.4);
    color: var(--white);
}

.cta-btn:focus {
    outline: 2px solid var(--cta-sage);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(122, 158, 107, 0.2);
}

/* ============================================
   HERO SLIDER
============================================= */
.hero-slider-section {
    position: relative;
    height: 100vh;
    min-height: 650px;
    max-height: 900px;
    overflow: hidden;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease-in-out;
    pointer-events: none;
}

.hero-slide.active {
    opacity: 1;
    pointer-events: all;
    z-index: 2;
}

.slide-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    animation: slideZoom 8s ease-in-out infinite alternate;
}

@keyframes slideZoom {
    0% { transform: scale(1); }
    100% { transform: scale(1.05); }
}

.slide-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(165deg,
        rgba(34, 43, 30, 0.75) 0%,
        rgba(52, 77, 45, 0.60) 50%,
        rgba(26, 33, 22, 0.70) 100%);
}

.slide-overlay-nature {
    background: linear-gradient(165deg,
        rgba(34, 43, 30, 0.65) 0%,
        rgba(52, 77, 45, 0.50) 50%,
        rgba(26, 33, 22, 0.60) 100%);
}

.slide-content {
    position: relative;
    z-index: 3;
    height: 100%;
    display: flex;
    align-items: center;
}

.slide-title {
    font-size: 50px;
    font-weight: 900;
    line-height: 1.15;
    margin-bottom: 28px;
    color: var(--white);
    text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    animation: fadeInUp 1s ease;
    max-width: 700px;
}

.slide-cta {
    font-family: var(--font-primary);
    font-weight: 600;
    padding: 16px 36px;
    border-radius: var(--radius);
    font-size: 16px;
    animation: fadeInUp 1s ease 0.3s;
    animation-fill-mode: both;
}

/* Slider Controls */
.slider-controls {
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    transform: translateY(-50%);
    z-index: 10;
    display: flex;
    justify-content: space-between;
    padding: 0 24px;
    pointer-events: none;
}

.slider-arrow {
    width: 56px;
    height: 56px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    background: rgba(255, 255, 255, 0.1);
    backdrop-filter: blur(8px);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    cursor: pointer;
    transition: var(--transition);
    pointer-events: all;
}

.slider-arrow:hover {
    background: rgba(255, 255, 255, 0.25);
    border-color: rgba(255, 255, 255, 0.7);
    transform: scale(1.1);
}

/* Slider Dots */
.slider-dots {
    position: absolute;
    bottom: 80px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
    display: flex;
    gap: 12px;
}

.slider-dot {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid rgba(255, 255, 255, 0.5);
    background: transparent;
    cursor: pointer;
    transition: var(--transition);
}

.slider-dot.active {
    background: var(--white);
    border-color: var(--white);
    transform: scale(1.2);
}

.slider-dot:hover {
    background: rgba(255, 255, 255, 0.6);
}

.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 10;
}

.scroll-down {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border: 2px solid rgba(255, 255, 255, 0.4);
    border-radius: 50%;
    color: var(--white);
    font-size: 24px;
    animation: bounce 2s infinite;
    transition: var(--transition);
}

.scroll-down:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: rgba(255, 255, 255, 0.7);
    color: var(--white);
}

/* ============================================
   STATS BAR
============================================= */
.stats-bar {
    background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage-deepest) 100%);
    padding: 32px 0;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 52px;
    font-weight: 900;
    color: var(--cta-sage-light);
    line-height: 1;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.15);
}

.stat-label {
    font-size: 14px;
    text-transform: uppercase;
    letter-spacing: 1px;
    opacity: 0.92;
    margin-top: 10px;
    color: var(--white);
}

/* ============================================
   ABOUT SECTION
============================================= */
.about-section {
    background: var(--white);
}

.about-image {
    position: relative;
}

.about-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.experience-badge {
    position: absolute;
    bottom: -30px;
    right: -30px;
    background: linear-gradient(135deg, var(--cta-sage) 0%, var(--cta-sage-hover) 100%);
    color: var(--white);
    padding: 28px 38px;
    border-radius: var(--radius-lg);
    text-align: center;
    box-shadow: var(--shadow-xl);
}

.experience-badge .years {
    display: block;
    font-family: var(--font-primary);
    font-size: 52px;
    font-weight: 900;
    line-height: 1;
}

.experience-badge .text {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.2px;
    margin-top: 6px;
}

.about-content .lead {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.about-content p {
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 12px;
}

.about-features {
    margin-top: 32px;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--gray-700);
}

.feature-item i {
    font-size: 26px;
    color: var(--sage-dark);
}

/* ============================================
   VIDEO SECTION
============================================= */
.video-section {
    background: var(--bg-alt);
}

.video-wrapper {
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow-xl);
    position: relative;
}

.video-container {
    position: relative;
    aspect-ratio: 16 / 9;
    cursor: pointer;
    overflow: hidden;
}

.video-poster {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.video-container:hover .video-poster {
    transform: scale(1.03);
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 90px;
    height: 90px;
    background: rgba(122, 158, 107, 0.9);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.video-play-btn i {
    font-size: 42px;
    color: var(--white);
    margin-left: 4px;
}

.video-container:hover .video-play-btn {
    background: rgba(94, 129, 80, 1);
    transform: translate(-50%, -50%) scale(1.1);
}

.video-caption {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 24px;
    background: linear-gradient(0deg, rgba(0,0,0,0.6) 0%, transparent 100%);
    text-align: center;
}

.video-caption span {
    font-family: var(--font-primary);
    font-weight: 600;
    color: var(--white);
    font-size: 16px;
    letter-spacing: 0.5px;
}

/* Video Modal */
#videoModal .modal-content {
    border-radius: var(--radius-lg);
    overflow: hidden;
}

#videoModal .modal-backdrop {
    background: rgba(0, 0, 0, 0.85);
}

#videoModal .modal-body iframe {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

/* ============================================
   WHAT WE DO SECTION
============================================= */
.whatwedo-section {
    background: var(--bg-alt);
}

.whatwedo-content .lead {
    font-size: 18px;
    line-height: 1.7;
    color: var(--gray-700);
    margin-bottom: 16px;
}

.whatwedo-content p {
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 12px;
}

.why-alpha {
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 36px;
    box-shadow: var(--shadow-md);
    border-left: 4px solid var(--sage-main);
}

.why-alpha h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--sage-dark);
    margin-bottom: 20px;
}

.why-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.why-list li {
    padding: 10px 0;
    font-size: 16px;
    color: var(--gray-700);
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 500;
}

.why-list li i {
    color: var(--sage-main);
    font-size: 20px;
}

.whatwedo-image img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

/* ============================================
   ENVIRONMENT SECTION
============================================= */
.environment-section {
    background: var(--white);
}

.env-card {
    background: var(--bg-alt);
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 36px 28px;
    text-align: center;
    height: 100%;
    transition: var(--transition-slow);
    box-shadow: var(--shadow-soft);
}

.env-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: var(--sage-medium);
}

.env-icon {
    width: 76px;
    height: 76px;
    background: linear-gradient(135deg, var(--sage-medium) 0%, var(--sage-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
}

.env-icon i {
    font-size: 34px;
    color: var(--white);
}

.env-card h3 {
    font-size: 20px;
    font-weight: 800;
    margin-bottom: 12px;
}

.env-card p {
    color: var(--gray-500);
    margin: 0;
    line-height: 1.65;
}

.lwg-content, .traceability-content {
    padding: 32px;
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    height: 100%;
    box-shadow: var(--shadow-soft);
}

.lwg-content h3, .traceability-content h3 {
    font-size: 24px;
    font-weight: 800;
    color: var(--sage-dark);
    margin-bottom: 16px;
}

.lwg-content p, .traceability-content p {
    color: var(--gray-500);
    line-height: 1.7;
    margin-bottom: 16px;
}

.lwg-badge-area {
    margin-top: 20px;
    padding: 20px;
    background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage-deepest) 100%);
    border-radius: var(--radius);
    text-align: center;
}

.lwg-seal {
    max-height: 50px;
    filter: brightness(1.1);
}

.trace-list {
    list-style: none;
    padding: 0;
    margin: 12px 0;
}

.trace-list li {
    padding: 6px 0;
    font-size: 15px;
    color: var(--gray-700);
    font-weight: 500;
}

/* ============================================
   PRODUCT CARD IMAGE
============================================= */
.product-img-wrap {
    width: 100%;
    height: 180px;
    border-radius: var(--radius);
    overflow: hidden;
    margin-bottom: 24px;
    background: var(--gray-100);
}

.product-img-wrap img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.product-card:hover .product-img-wrap img {
    transform: scale(1.05);
}

/* ============================================
   PRODUCTS SECTION
============================================= */
.products-section {
    background: var(--bg-alt);
}

.product-card {
    border: var(--border-light);
    background: var(--white);
    border-radius: var(--radius-lg);
    padding: 42px 32px;
    height: 100%;
    transition: var(--transition-slow);
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-soft);
}

.product-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--gray-200) 0%, var(--gray-100) 100%);
    transition: var(--transition);
}

.product-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-xl);
    border-color: rgba(122, 158, 107, 0.3);
}

.product-card:hover::before {
    background: linear-gradient(90deg, var(--sage-medium) 0%, var(--sage-dark) 100%);
}

.product-icon {
    width: 84px;
    height: 84px;
    background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage-deepest) 100%);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 26px;
    box-shadow: 0 6px 16px rgba(94, 129, 80, 0.2);
}

.product-icon i {
    font-size: 38px;
    color: var(--white);
}

.product-title {
    font-size: 22px;
    font-weight: 800;
    margin-bottom: 16px;
    color: var(--gray-800);
    letter-spacing: -0.01em;
}

.product-desc {
    color: var(--gray-500);
    margin-bottom: 22px;
    line-height: 1.65;
}

.product-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.product-features li {
    padding: 9px 0;
    padding-left: 28px;
    position: relative;
    font-size: 14px;
    color: var(--gray-600);
}

.product-features li::before {
    content: '\F26A';
    font-family: 'bootstrap-icons';
    position: absolute;
    left: 0;
    color: var(--sage-main);
    font-weight: 700;
}

/* ============================================
   IMPACT SECTION
============================================= */
.impact-section {
    position: relative;
    padding: 130px 0;
    overflow: hidden;
    background:
        linear-gradient(155deg,
            rgba(52, 77, 45, 0.88) 0%,
            rgba(74, 107, 63, 0.85) 100%),
        url('img/059_AlphaHides 04Fev22.jpg');
    background-size: cover, cover;
    background-position: center, center;
    background-attachment: scroll;
}

.impact-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(122, 158, 107, 0.08) 0%, transparent 70%);
    pointer-events: none;
}

.impact-quote {
    position: relative;
    z-index: 2;
}

.impact-quote p {
    font-family: var(--font-primary);
    font-size: 38px;
    font-weight: 600;
    font-style: italic;
    color: var(--white);
    line-height: 1.5;
    margin: 0;
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.25);
}

/* ============================================
   CONTACT SECTION
============================================= */
.contact-section {
    background: var(--bg-alt);
}

.contact-info-wrapper {
    background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage-deepest) 100%);
    border-radius: var(--radius-lg);
    padding: 42px;
    height: 100%;
    color: var(--white);
    box-shadow: var(--shadow-lg);
}

.contact-info-wrapper h3 {
    font-size: 26px;
    color: var(--white);
    margin-bottom: 32px;
}

.contact-info-item {
    display: flex;
    gap: 20px;
    margin-bottom: 28px;
}

.contact-icon {
    width: 52px;
    height: 52px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.contact-icon i {
    font-size: 24px;
    color: var(--cta-sage-light);
}

.contact-details h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 6px;
}

.contact-details p {
    margin: 0;
    opacity: 0.94;
    font-size: 15px;
    line-height: 1.6;
}

.contact-details a {
    color: var(--white);
    text-decoration: none;
    transition: var(--transition);
}

.contact-details a:hover {
    color: var(--cta-sage-light);
}

.social-links {
    display: flex;
    gap: 12px;
}

.social-link {
    width: 46px;
    height: 46px;
    background: rgba(255, 255, 255, 0.12);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--white);
    transition: var(--transition);
}

.social-link:hover {
    background: var(--cta-sage);
    color: var(--white);
    transform: translateY(-3px);
}

.contact-form-wrapper {
    background: var(--white);
    border: var(--border-light);
    border-radius: var(--radius-lg);
    padding: 42px;
    box-shadow: var(--shadow-lg);
}

.contact-form .form-label {
    font-family: var(--font-primary);
    font-weight: 600;
    font-size: 14px;
    color: var(--gray-700);
    margin-bottom: 8px;
}

.contact-form .form-control,
.contact-form .form-select {
    padding: 13px 18px;
    border: 2px solid var(--gray-200);
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 15px;
}

.contact-form .form-control:focus,
.contact-form .form-select:focus {
    border-color: var(--sage-main);
    box-shadow: 0 0 0 4px rgba(122, 158, 107, 0.12);
    outline: none;
}

.contact-form textarea {
    resize: none;
}

.contact-form .btn-primary {
    background: linear-gradient(135deg, var(--sage-dark) 0%, var(--sage-deepest) 100%) !important;
    border: 1px solid var(--sage-deepest) !important;
    padding: 16px 32px;
    font-family: var(--font-primary);
    font-weight: 700;
    transition: var(--transition);
    color: var(--white) !important;
    box-shadow: 0 6px 18px rgba(94, 129, 80, 0.25);
}

.contact-form .btn-primary:hover {
    background: linear-gradient(135deg, var(--sage-deepest) 0%, var(--black) 100%) !important;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(94, 129, 80, 0.35);
    color: var(--white) !important;
}

.contact-form .btn-primary:focus {
    outline: 2px solid var(--sage-dark);
    outline-offset: 2px;
    box-shadow: 0 0 0 4px rgba(122, 158, 107, 0.15);
}

/* ============================================
   CTA SECTION
============================================= */
.cta-section {
    position: relative;
    padding: 110px 0;
    background: linear-gradient(135deg, var(--sage-deepest) 0%, var(--black) 100%);
    overflow: hidden;
}

.cta-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background:
        repeating-linear-gradient(45deg,
            transparent,
            transparent 20px,
            rgba(255, 255, 255, 0.015) 20px,
            rgba(255, 255, 255, 0.015) 22px);
    pointer-events: none;
}

.cta-section h2 {
    font-size: 44px;
    font-weight: 900;
    color: var(--white);
    margin-bottom: 22px;
    position: relative;
    z-index: 1;
}

.cta-section p {
    font-size: 18px;
    color: rgba(255, 255, 255, 0.92);
    margin-bottom: 38px;
    position: relative;
    z-index: 1;
}

.cta-buttons {
    position: relative;
    z-index: 1;
}

.cta-buttons .btn {
    padding: 16px 38px;
    font-family: var(--font-primary);
    font-weight: 700;
    border-radius: var(--radius);
    transition: var(--transition);
    font-size: 16px;
}

.cta-buttons .btn-light {
    background: var(--cta-sage);
    border: 1px solid var(--cta-sage);
    color: var(--white);
    box-shadow: 0 6px 18px rgba(122, 158, 107, 0.35);
}

.cta-buttons .btn-light:hover {
    background: var(--cta-sage-light);
    border-color: var(--cta-sage-light);
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(122, 158, 107, 0.45);
    color: var(--white);
}

.cta-buttons .btn-outline-light {
    border: 2px solid rgba(255, 255, 255, 0.5);
    color: var(--white);
}

.cta-buttons .btn-outline-light:hover {
    background: var(--white);
    color: var(--sage-deepest);
    border-color: var(--white);
    transform: translateY(-3px);
}

/* ============================================
   FOOTER
============================================= */
.footer-section {
    background: var(--black);
    color: var(--gray-400);
    padding: 84px 0 32px;
}

.footer-logo {
    height: 42px;
    margin-bottom: 22px;
    filter: brightness(1.3) contrast(0.9);
}

.footer-widget h4 {
    font-size: 18px;
    font-weight: 800;
    color: var(--white);
    margin-bottom: 26px;
    position: relative;
    padding-bottom: 16px;
}

.footer-widget h4::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 42px;
    height: 2px;
    background: var(--cta-sage);
    border-radius: 2px;
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-links li {
    margin-bottom: 13px;
}

.footer-links a {
    color: var(--gray-400);
    transition: var(--transition);
}

.footer-links a:hover {
    color: var(--cta-sage);
    padding-left: 6px;
}

.footer-contact {
    list-style: none;
    padding: 0;
    margin: 0;
}

.footer-contact li {
    display: flex;
    align-items: flex-start;
    gap: 13px;
    margin-bottom: 16px;
}

.footer-contact i {
    color: var(--cta-sage);
    font-size: 18px;
    margin-top: 3px;
}

.footer-contact a {
    color: var(--gray-400);
}

.footer-contact a:hover {
    color: var(--cta-sage);
}

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

.footer-social a {
    width: 42px;
    height: 42px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    color: var(--white);
    transition: var(--transition);
}

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

.footer-divider {
    border-color: rgba(255, 255, 255, 0.08);
    margin: 44px 0 22px;
}

.copyright,
.footer-credits {
    font-size: 14px;
    margin: 0;
}

/* ============================================
   WHATSAPP FLOATING BUTTON
============================================= */
.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 62px;
    height: 62px;
    background: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: var(--transition);
}

.whatsapp-float i {
    font-size: 34px;
    color: var(--white);
}

.whatsapp-float:hover {
    background: #128C7E;
    transform: scale(1.08);
    box-shadow: 0 10px 30px rgba(37, 211, 102, 0.5);
}

/* ============================================
   BACK TO TOP BUTTON
============================================= */
.back-to-top {
    position: fixed;
    bottom: 106px;
    right: 32px;
    width: 52px;
    height: 52px;
    background: var(--sage-deepest);
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-size: 24px;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
    z-index: 998;
    box-shadow: 0 4px 16px rgba(94, 129, 80, 0.3);
}

.back-to-top.show {
    opacity: 1;
    visibility: visible;
}

.back-to-top:hover {
    background: var(--sage-dark);
    color: var(--white);
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(94, 129, 80, 0.4);
}

.back-to-top:focus {
    outline: 2px solid var(--sage-main);
    outline-offset: 2px;
}

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

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% {
        transform: translateY(0);
    }
    40% {
        transform: translateY(-15px);
    }
    60% {
        transform: translateY(-7px);
    }
}

/* ============================================
   RESPONSIVE
============================================= */
@media (max-width: 1199px) {
    .slide-title {
        font-size: 46px;
    }
    .section-title {
        font-size: 38px;
    }
}

@media (max-width: 991px) {
    .section-padding {
        padding: var(--section-padding-mobile) 0;
    }
    .hero-slider-section {
        min-height: 600px;
    }
    .slide-title {
        font-size: 38px;
    }
    .section-title {
        font-size: 34px;
    }
    .experience-badge {
        right: 0;
        bottom: -20px;
        padding: 22px 28px;
    }
    .experience-badge .years {
        font-size: 38px;
    }
    .impact-quote p {
        font-size: 30px;
    }
    .navbar-collapse {
        background: var(--sage-dark);
        padding: 22px;
        margin-top: 16px;
        border-radius: var(--radius);
        box-shadow: var(--shadow-lg);
    }
    .hero-slider-section {
        height: 75vh;
        min-height: 500px;
        max-height: 700px;
    }
    .hero-slide {
        min-height: 500px;
    }
    .slide-title {
        font-size: 38px;
        max-width: 100%;
    }
    .slide-content {
        padding: 0 16px;
    }
    .slide-bg {
        background-position: center center;
    }
    .slider-dots {
        bottom: 40px;
    }
}

@media (max-width: 767px) {
    .hero-slider-section {
        height: 65vh;
        min-height: 420px;
        max-height: 550px;
    }
    .hero-slide {
        min-height: 420px;
    }
    .slide-title {
        font-size: 28px;
        line-height: 1.2;
        margin-bottom: 20px;
        max-width: 100%;
    }
    .slide-cta {
        padding: 12px 24px;
        font-size: 14px;
    }
    .slide-content {
        padding: 0 12px;
        padding-bottom: 60px;
    }
    .slider-controls {
        display: none;
    }
    .slider-dots {
        bottom: 20px;
        gap: 8px;
    }
    .slider-dot {
        width: 10px;
        height: 10px;
    }
    .slide-bg {
        background-position: center center;
    }
    .stat-number {
        font-size: 40px;
    }
    .section-title {
        font-size: 30px;
    }
    .experience-badge {
        position: relative;
        right: auto;
        bottom: auto;
        margin-top: 22px;
        display: inline-block;
    }
    .impact-quote p {
        font-size: 24px;
    }
    .cta-section h2 {
        font-size: 30px;
    }
    .cta-buttons .btn {
        display: block;
        width: 100%;
        margin-bottom: 16px;
        margin-right: 0 !important;
    }
    .contact-info-wrapper {
        margin-bottom: 32px;
    }
    .whatsapp-float {
        bottom: 22px;
        right: 22px;
        width: 58px;
        height: 58px;
    }
    .back-to-top {
        bottom: 90px;
        right: 22px;
        width: 48px;
        height: 48px;
    }
}

@media (max-width: 575px) {
    .hero-slider-section {
        height: 55vh;
        min-height: 380px;
        max-height: 480px;
    }
    .hero-slide {
        min-height: 380px;
    }
    .slide-title {
        font-size: 24px;
        line-height: 1.25;
        margin-bottom: 16px;
    }
    .slide-cta {
        padding: 10px 20px;
        font-size: 13px;
    }
    .section-tag {
        padding-left: 0;
    }
    .section-tag::before {
        display: none;
    }
    .product-card,
    .diff-card,
    .env-card {
        padding: 32px 24px;
    }
    .contact-form-wrapper,
    .contact-info-wrapper {
        padding: 28px;
    }
    .why-alpha {
        padding: 24px;
    }
}

/* ============================================
   PRINT STYLES
============================================= */
@media print {
    .header-area,
    .whatsapp-float,
    .back-to-top,
    .scroll-indicator,
    .slider-controls,
    .slider-dots {
        display: none !important;
    }
    .hero-slider-section {
        height: auto;
        min-height: auto;
        padding: 50px 0;
    }
    .section-padding {
        padding: 32px 0;
    }
}

/* ============================================
   MOBILE PERFORMANCE
============================================= */
@media (max-width: 991.98px) {
    .impact-section {
        background-attachment: scroll !important;
    }
}