/* ============================================
   SELENICA COAL - LANDING PAGE STYLESHEET
   Modern Dark Industrial Aesthetic
   ============================================ */

/* ============================================
   CSS VARIABLES - Design System Colors
   ============================================ */
:root {
    /* Color Palette */
    --color-bg-primary: #0F1115;        /* Charcoal Black */
    --color-bg-secondary: #1A1D23;      /* Deep Graphite */
    --color-accent-blue: #2F6BFF;       /* Industrial Blue */
    --color-accent-gold: #CFAE70;       /* Metallic Gold */
    --color-gold-highlight: #E5C98B;    /* Warm Gold (Hover/Glow) */
    --color-neutral-steel: #A7B0C0;     /* Steel Gray */
    --color-text-primary: #F5F7FA;      /* Soft White */
    --color-text-secondary: #9AA3B2;     /* Cool Gray */
    
    /* Typography */
    --font-headline: 'Montserrat', 'Poppins', sans-serif;
    --font-body: 'Inter', 'Open Sans', sans-serif;
    
    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-body);
    font-size: 1rem;
    line-height: 1.6;
    color: var(--color-text-primary);
    background-color: var(--color-bg-primary);
    overflow-x: hidden;
}

/* ============================================
   CONTAINER & LAYOUT
   ============================================ */
.container {
    max-width: 1440px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

.section {
    padding: var(--spacing-xl) 0;
    position: relative;
}

/* ============================================
   NAVIGATION
   ============================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: rgba(15, 17, 21, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(207, 174, 112, 0.1);
    transition: all var(--transition-normal);
}

.navbar.scrolled {
    background-color: rgba(15, 17, 21, 0.98);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: var(--spacing-sm) 0;
}

.logo-text {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    color: var(--color-accent-gold);
    text-transform: uppercase;
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: var(--spacing-md);
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-weight: 500;
    text-transform: uppercase;
    font-size: 0.875rem;
    letter-spacing: 0.05em;
    transition: color var(--transition-fast);
    position: relative;
}

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

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

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

.nav-toggle {
    display: none;
    flex-direction: column;
    background: transparent;
    border: none;
    cursor: pointer;
    gap: 4px;
}

.nav-toggle span {
    width: 25px;
    height: 2px;
    background: var(--color-text-primary);
    transition: all var(--transition-fast);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
    /* Background image - Selenica coal cover image */
    background-image: url('cover.jpeg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

/* Dark overlay to maintain text readability */
.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(
        135deg,
        rgba(15, 17, 21, 0.85) 0%,
        rgba(15, 17, 21, 0.75) 50%,
        rgba(15, 17, 21, 0.85) 100%
    );
    z-index: 1;
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    z-index: 0;
    overflow: hidden;
}

/* Animated gradient orbs for futuristic effect */
.gradient-orb {
    position: absolute;
    border-radius: 50%;
    filter: blur(80px);
    opacity: 0.3;
    animation: float 20s infinite ease-in-out;
}

.orb-1 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, var(--color-accent-blue), transparent);
    top: 10%;
    left: -10%;
    animation-delay: 0s;
}

.orb-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, var(--color-accent-gold), transparent);
    bottom: 20%;
    right: 10%;
    animation-delay: 5s;
}

.orb-3 {
    width: 250px;
    height: 250px;
    background: radial-gradient(circle, var(--color-accent-blue), transparent);
    top: 50%;
    right: -5%;
    animation-delay: 10s;
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

.hero-content {
    position: relative;
    z-index: 2; /* Ensure content stays above overlay */
    text-align: center;
    max-width: 900px;
    padding: var(--spacing-lg) 0;
}

.hero-title {
    font-family: var(--font-headline);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: var(--spacing-md);
    letter-spacing: 0.02em;
}

.title-line {
    display: block;
    opacity: 0;
    animation: fadeInUp 1s ease forwards;
}

.title-line:nth-child(1) {
    animation-delay: 0.2s;
}

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

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

.highlight-gold {
    color: var(--color-accent-gold);
    text-shadow: 0 0 30px rgba(207, 174, 112, 0.5);
}

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

.hero-location {
    font-size: clamp(0.875rem, 1.5vw, 1rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-sm);
    font-weight: 400;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.6s;
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
}

.hero-location::before,
.hero-location::after {
    content: '';
    width: 2rem;
    height: 1px;
    background: rgba(207, 174, 112, 0.3);
}

.hero-description {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 0.8s;
}

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

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    align-items: center;
    opacity: 0;
    animation: fadeInUp 1s ease forwards 1s;
}

.hero-contact-email {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.hero-contact-email a {
    color: var(--color-accent-gold);
    text-decoration: none;
}

.hero-contact-email a:hover {
    text-decoration: underline;
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 30px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 2; /* Ensure scroll indicator stays above overlay */
}

.scroll-arrow {
    width: 24px;
    height: 40px;
    border: 2px solid var(--color-accent-gold);
    border-radius: 20px;
    position: relative;
}

.scroll-arrow::after {
    content: '';
    position: absolute;
    top: 8px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    border-right: 2px solid var(--color-accent-gold);
    border-bottom: 2px solid var(--color-accent-gold);
    transform: translateX(-50%) rotate(45deg);
    animation: scrollDown 2s infinite;
}

@keyframes scrollDown {
    0%, 100% {
        opacity: 0;
        top: 8px;
    }
    50% {
        opacity: 1;
        top: 16px;
    }
}

/* ============================================
   BUTTONS
   ============================================ */
.btn {
    display: inline-block;
    padding: 1rem 2rem;
    font-family: var(--font-body);
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    text-decoration: none;
    border-radius: 4px;
    transition: all var(--transition-normal);
    cursor: pointer;
    border: 2px solid transparent;
    font-size: 0.875rem;
}

.btn-primary {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 15px rgba(207, 174, 112, 0.3);
}

.btn-primary:hover {
    background-color: var(--color-gold-highlight);
    box-shadow: 0 6px 25px rgba(207, 174, 112, 0.5);
    transform: translateY(-2px);
}

.btn-secondary {
    background-color: transparent;
    color: var(--color-text-primary);
    border-color: var(--color-accent-blue);
}

.btn-secondary:hover {
    background-color: var(--color-accent-blue);
    box-shadow: 0 4px 15px rgba(47, 107, 255, 0.3);
    transform: translateY(-2px);
}

.btn-outline {
    background-color: transparent;
    color: var(--color-accent-gold);
    border-color: var(--color-accent-gold);
}

.btn-outline:hover {
    background-color: var(--color-accent-gold);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 15px rgba(207, 174, 112, 0.3);
    transform: translateY(-2px);
}

/* ============================================
   SECTION HEADERS
   ============================================ */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-title {
    font-family: var(--font-headline);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    letter-spacing: 0.05em;
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.title-divider {
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--color-accent-gold), transparent);
    margin: 0 auto;
    border-radius: 2px;
}

/* ============================================
   ABOUT SECTION
   ============================================ */
.about {
    background-color: var(--color-bg-secondary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
}

.about-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    line-height: 1.8;
}

.usage-cards {
    display: grid;
    grid-template-columns: repeat(6, 1fr);
    gap: 3rem;
    margin-bottom: var(--spacing-md);
}

/* First 3 cards span 2 columns each */
.usage-cards .usage-card:nth-child(1),
.usage-cards .usage-card:nth-child(2),
.usage-cards .usage-card:nth-child(3) {
    grid-column: span 2;
}

/* Last 2 cards span 2 columns each, centered */
.usage-cards .usage-card:nth-child(4) {
    grid-column: 2 / span 2;
}

.usage-cards .usage-card:nth-child(5) {
    grid-column: 4 / span 2;
}

.usage-card {
    background: linear-gradient(135deg, rgba(26, 29, 35, 0.8), rgba(15, 17, 21, 0.8));
    border: 1px solid rgba(207, 174, 112, 0.1);
    border-radius: 8px;
    padding: 2.5rem 2.25rem;
    text-align: left;
    transition: all var(--transition-normal);
}

.usage-card:hover {
    transform: translateY(-5px);
    border-color: rgba(207, 174, 112, 0.3);
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
}

.card-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.card-title {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    color: var(--color-accent-gold);
    margin-bottom: 1rem;
}

.card-text {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 0.98rem;
    max-width: 34rem;
    margin: 0 auto;
}

.card-text strong {
    color: var(--color-text-primary);
}

.card-list {
    list-style: none;
    padding-left: 0;
    margin: 0.75rem auto 0;
    color: var(--color-text-secondary);
    font-size: 0.98rem;
    line-height: 1.8;
    max-width: 34rem;
}

.card-list li {
    display: flex;
    gap: 0.75rem;
    align-items: flex-start;
    margin-bottom: 0.6rem;
}

.card-bullet-icon {
    flex: 0 0 auto;
    line-height: 1.4;
    font-size: 1.1rem;
    margin-top: 0.15rem;
}

.card-list li span:last-child {
    flex: 1;
}

.card-text {
    color: var(--color-text-secondary);
    line-height: 1.8;
    font-size: 0.95rem;
    margin-top: 0.5rem;
}

/* Specifications Table */
.specs-table {
    margin-top: 1rem;
    width: 100%;
}

.specs-table table {
    width: 100%;
    border-collapse: collapse;
    font-size: 0.85rem;
    table-layout: fixed;
}

.specs-table thead {
    background: rgba(207, 174, 112, 0.1);
}

.specs-table th {
    padding: 0.6rem 0.5rem;
    text-align: center;
    vertical-align: middle;
    color: var(--color-accent-gold);
    font-weight: 600;
    font-size: 0.625rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    border-bottom: 1px solid rgba(207, 174, 112, 0.2);
    white-space: nowrap;
}

.specs-table th:first-child,
.specs-table td:first-child {
    width: 30%;
}

.specs-table th:nth-child(2),
.specs-table td:nth-child(2) {
    width: 40%;
}

.specs-table th:nth-child(3),
.specs-table td:nth-child(3) {
    width: 30%;
}

.specs-table td {
    padding: 0.6rem 0.25rem;
    text-align: center;
    vertical-align: middle;
    color: var(--color-text-secondary);
    border-bottom: 1px solid rgba(207, 174, 112, 0.05);
    word-wrap: break-word;
    /* Prevent auto-detected phone number styling */
    -webkit-tap-highlight-color: transparent;
}

/* Override any auto-detected phone number links */
.specs-table td a,
.specs-table td a[href^="tel:"] {
    color: var(--color-text-secondary) !important;
    text-decoration: none !important;
    pointer-events: none;
}

.specs-table tbody tr:last-child td {
    border-bottom: none;
}

.specs-table td:nth-child(2) {
    color: var(--color-text-primary);
    font-weight: 500;
}

.specs-table td:nth-child(2) a,
.specs-table td:nth-child(2) a[href^="tel:"] {
    color: var(--color-text-primary) !important;
    text-decoration: none !important;
}

.about-conclusion {
    text-align: center;
    color: var(--color-text-secondary);
    font-style: italic;
    margin-top: var(--spacing-md);
}

/* ============================================
   GALLERY CAROUSEL SECTION
   ============================================ */
.gallery {
    background-color: var(--color-bg-primary);
}

.section-subtitle {
    color: var(--color-text-secondary);
    font-size: 1.125rem;
    margin-top: var(--spacing-sm);
    text-align: center;
}

/* ============================================
   ON-SITE MEDIA / VIDEO GRID
   ============================================ */
.media {
    background-color: var(--color-bg-primary);
}

.video-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.video-card {
    background: linear-gradient(135deg, rgba(26, 29, 35, 0.8), rgba(15, 17, 21, 0.9));
    border: 1px solid rgba(207, 174, 112, 0.15);
    border-radius: 12px;
    padding: 1.5rem 1.5rem 1.25rem;
    transition: all var(--transition-normal);
}

.video-card:hover {
    transform: translateY(-4px);
    border-color: rgba(207, 174, 112, 0.4);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.55);
}

.video-frame {
    position: relative;
    border-radius: 10px;
    overflow: hidden;
    background: #000;
    aspect-ratio: 9 / 16;
}

.video-frame video {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.video-caption {
    margin-top: 0.75rem;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

/* ============================================
   PRICING SECTION
   ============================================ */
.pricing {
    background-color: var(--color-bg-secondary);
}

.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background: linear-gradient(135deg, rgba(26, 29, 35, 0.8), rgba(15, 17, 21, 0.8));
    border: 1px solid rgba(207, 174, 112, 0.12);
    border-radius: 8px;
    padding: 2rem 2rem 2.25rem;
    text-align: left;
    transition: all var(--transition-normal);
}

.pricing-card--highlight {
    border-color: rgba(207, 174, 112, 0.5);
    box-shadow: 0 10px 35px rgba(207, 174, 112, 0.18);
}

.pricing-card:hover {
    transform: translateY(-4px);
    border-color: rgba(207, 174, 112, 0.4);
}

.pricing-label {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    color: var(--color-accent-gold);
    margin-bottom: 0.25rem;
}

.pricing-spec {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-bottom: 1.25rem;
}

.pricing-value {
    margin-bottom: 1rem;
    font-family: var(--font-headline);
    color: var(--color-text-primary);
}

.pricing-value .currency {
    font-size: 1.2rem;
    margin-right: 0.15rem;
}

.pricing-value .amount {
    font-size: 2rem;
    font-weight: 800;
}

.pricing-value .unit {
    font-size: 0.9rem;
    color: var(--color-text-secondary);
    margin-left: 0.4rem;
}

.pricing-notes {
    list-style: none;
    padding-left: 0;
    margin: 0;
    font-size: 0.9rem;
    color: var(--color-text-secondary);
}

.pricing-notes li {
    position: relative;
    padding-left: 1.1rem;
    margin-bottom: 0.35rem;
}

.pricing-notes li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-accent-gold);
}

.pricing-disclaimer {
    margin-top: var(--spacing-md);
    text-align: center;
    font-size: 0.95rem;
    color: var(--color-text-primary);
    opacity: 1;
    max-width: 720px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-disclaimer-strong {
    font-weight: 600;
    color: var(--color-accent-gold);
    display: block;
    margin-bottom: 0.25rem;
}

.pricing-contact {
    margin-top: var(--spacing-md);
    display: flex;
    justify-content: center;
}

.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.9rem 1.8rem;
    border-radius: 999px;
    border: 2px solid #25D366;
    color: var(--color-text-primary);
    text-decoration: none;
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 0.08em;
    background: transparent;
    transition: all var(--transition-normal);
}

.btn-whatsapp .wa-icon {
    font-size: 1.1rem;
}

.btn-whatsapp:hover {
    background: #25D366;
    color: var(--color-bg-primary);
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    transform: translateY(-2px);
}

.carousel-container {
    position: relative;
    max-width: 1000px;
    margin: 0 auto;
    padding: var(--spacing-md) 0;
}

.carousel-wrapper {
    overflow: hidden;
    border-radius: 8px;
    border: 1px solid rgba(207, 174, 112, 0.1);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
}

.carousel-track {
    display: flex;
    transition: transform 0.5s ease-in-out;
}

.carousel-slide {
    min-width: 100%;
    position: relative;
    aspect-ratio: 16 / 9;
    background-color: var(--color-bg-secondary);
}

.carousel-slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    background-color: var(--color-bg-secondary);
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    background: rgba(15, 17, 21, 0.8);
    border: 2px solid var(--color-accent-gold);
    color: var(--color-accent-gold);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    font-size: 2rem;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all var(--transition-normal);
    z-index: 10;
    backdrop-filter: blur(10px);
}

.carousel-btn:hover {
    background: var(--color-accent-gold);
    color: var(--color-bg-primary);
    box-shadow: 0 4px 15px rgba(207, 174, 112, 0.5);
    transform: translateY(-50%) scale(1.1);
}

.carousel-btn.prev {
    left: -25px;
}

.carousel-btn.next {
    right: -25px;
}

.carousel-btn:disabled {
    opacity: 0.3;
    cursor: not-allowed;
}

.carousel-btn:disabled:hover {
    transform: translateY(-50%);
    background: rgba(15, 17, 21, 0.8);
    color: var(--color-accent-gold);
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: var(--spacing-xs);
    margin-top: var(--spacing-md);
}

.carousel-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(207, 174, 112, 0.3);
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.carousel-dot:hover {
    background: rgba(207, 174, 112, 0.5);
    transform: scale(1.2);
}

.carousel-dot.active {
    background: var(--color-accent-gold);
    border-color: var(--color-gold-highlight);
    box-shadow: 0 0 10px rgba(207, 174, 112, 0.5);
}

/* ============================================
   ADVANTAGES SECTION
   ============================================ */
.advantages-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-md);
}

.advantage-card {
    background: linear-gradient(135deg, rgba(26, 29, 35, 0.6), rgba(15, 17, 21, 0.6));
    border: 1px solid rgba(47, 107, 255, 0.1);
    border-radius: 8px;
    padding: var(--spacing-md);
    transition: all var(--transition-normal);
}

.advantage-card:hover {
    transform: translateY(-5px);
    border-color: rgba(47, 107, 255, 0.3);
    box-shadow: 0 10px 30px rgba(47, 107, 255, 0.2);
}

.advantage-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.advantage-title {
    font-family: var(--font-headline);
    font-size: 1.5rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
}

.advantage-list {
    list-style: none;
    padding-left: 0;
}

.advantage-list li {
    color: var(--color-text-secondary);
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
}

.advantage-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--color-accent-blue);
    font-weight: bold;
}

/* ============================================
   PARTNERSHIP SECTION
   ============================================ */
.partnership {
    background-color: var(--color-bg-secondary);
}

.partnership-content {
    max-width: 1000px;
    margin: 0 auto;
}

.partnership-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.offers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
    gap: var(--spacing-md);
}

.offer-item {
    text-align: center;
    padding: var(--spacing-md);
    position: relative;
}

.offer-number {
    font-family: var(--font-headline);
    font-size: 4rem;
    font-weight: 800;
    color: rgba(207, 174, 112, 0.2);
    line-height: 1;
    margin-bottom: var(--spacing-sm);
}

.offer-title {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    color: var(--color-accent-gold);
    margin-bottom: var(--spacing-xs);
}

.offer-text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

/* ============================================
   QUALITY SECTION
   ============================================ */
.quality-content {
    max-width: 1000px;
    margin: 0 auto;
}

.quality-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    text-align: center;
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

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

.commitment-item {
    background: linear-gradient(135deg, rgba(26, 29, 35, 0.6), rgba(15, 17, 21, 0.6));
    border: 1px solid rgba(207, 174, 112, 0.1);
    border-radius: 8px;
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-normal);
}

.commitment-item:hover {
    transform: translateY(-5px);
    border-color: rgba(207, 174, 112, 0.3);
    box-shadow: 0 10px 30px rgba(207, 174, 112, 0.1);
}

.commitment-icon {
    font-size: 3rem;
    margin-bottom: var(--spacing-sm);
}

.commitment-title {
    font-family: var(--font-headline);
    font-size: 1.25rem;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
}

.commitment-text {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

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

.contact-content {
    max-width: 800px;
    margin: 0 auto;
    text-align: center;
}

.contact-text {
    font-size: 1.125rem;
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
}

.contact-info {
    display: flex;
    justify-content: center;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-xs);
}

.info-label {
    font-size: 0.875rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.1em;
}

.info-value {
    font-size: 1.25rem;
    color: var(--color-accent-gold);
    font-weight: 600;
}

.contact-cta {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
}

/* ============================================
   FOOTER
   ============================================ */
.footer {
    background-color: var(--color-bg-primary);
    border-top: 1px solid rgba(207, 174, 112, 0.1);
    padding: var(--spacing-md) 0;
}

.footer-content {
    text-align: center;
}

.footer-text {
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-xs);
    font-size: 0.9rem;
}

.footer-text strong {
    color: var(--color-accent-gold);
}

.footer-copyright {
    color: var(--color-text-secondary);
    font-size: 0.875rem;
    opacity: 0.7;
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 70px;
        left: -100%;
        flex-direction: column;
        background-color: rgba(15, 17, 21, 0.98);
        width: 100%;
        text-align: center;
        transition: left var(--transition-normal);
        padding: var(--spacing-md) 0;
        border-top: 1px solid rgba(207, 174, 112, 0.1);
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .nav-toggle {
        display: flex;
    }
    
    .hero-cta {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        max-width: 300px;
    }
    
    .usage-cards,
    .advantages-grid,
    .offers-grid,
    .commitments-grid,
    .pricing-grid,
    .video-grid {
        grid-template-columns: 1fr;
    }
    
    /* Reset card positioning on mobile */
    .usage-cards .usage-card {
        grid-column: span 1 !important;
    }
    
    /* Carousel mobile adjustments */
    .carousel-btn {
        width: 40px;
        height: 40px;
        font-size: 1.5rem;
    }
    
    .carousel-btn.prev {
        left: 10px;
    }
    
    .carousel-btn.next {
        right: 10px;
    }
    
    .carousel-container {
        padding: var(--spacing-sm) 0;
    }
    
    .contact-info {
        flex-direction: column;
        gap: var(--spacing-md);
    }
    
    .contact-cta {
        flex-direction: column;
        align-items: center;
    }
    
    .contact-cta .btn {
        width: 100%;
        max-width: 300px;
    }
    
    /* Mobile WhatsApp Button Improvements */
    .btn-whatsapp {
        width: 100%;
        max-width: 100%;
        padding: 1.2rem 1.5rem;
        font-size: 1rem;
        font-weight: 700;
        justify-content: center;
        background: rgba(37, 211, 102, 0.1);
        border-width: 2.5px;
        min-height: 56px;
        box-shadow: 0 4px 15px rgba(37, 211, 102, 0.2);
    }
    
    .btn-whatsapp .wa-icon {
        font-size: 1.3rem;
        font-weight: 700;
    }
    
    .btn-whatsapp:hover,
    .btn-whatsapp:active {
        background: #25D366;
        color: var(--color-bg-primary);
        box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
        transform: translateY(-1px);
    }
    
    /* Ensure WhatsApp buttons in hero and pricing sections are full-width */
    .hero-cta .btn-whatsapp,
    .pricing-contact .btn-whatsapp,
    .contact-cta .btn-whatsapp {
        width: 100%;
        max-width: 100%;
    }
    
    /* Ensure pricing-contact container allows full-width button */
    .pricing-contact {
        width: 100%;
        justify-content: stretch;
    }
    
    .pricing-contact .btn-whatsapp {
        width: 100%;
        max-width: 100%;
        flex-direction: column;
        gap: 0.4rem;
        text-align: center;
    }
    
    .pricing-contact .btn-whatsapp .wa-icon {
        display: block;
    }
    
    .pricing-contact .btn-whatsapp > span:not(.wa-icon) {
        display: block;
        font-size: 0.9rem;
        line-height: 1.3;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-sm);
    }
    
    .section {
        padding: var(--spacing-lg) 0;
    }
    
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.75rem;
    }
    
    /* Smaller mobile WhatsApp button adjustments */
    .btn-whatsapp {
        padding: 1.1rem 1.2rem;
        font-size: 0.95rem;
        letter-spacing: 0.1em;
    }
    
    .btn-whatsapp .wa-icon {
        font-size: 1.2rem;
    }
}

/* ============================================
   SCROLL ANIMATIONS
   ============================================ */
.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}