/* ==========================================================================
   RAMANA HOLDCO FZCO - Minimalist Corporate Website
   ========================================================================== */

/* CSS Variables */
:root {
    /* Colors */
    --color-primary: #1a1a2e;
    --color-secondary: #16213e;
    --color-accent: #0f3460;
    --color-highlight: #e94560;
    --color-text: #333333;
    --color-text-light: #666666;
    --color-text-muted: #999999;
    --color-white: #ffffff;
    --color-bg: #fafafa;
    --color-border: #e5e5e5;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 2rem;
    --font-size-4xl: 2.5rem;
    --font-size-5xl: 3.5rem;

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

    /* Layout */
    --container-max: 1200px;
    --navbar-height: 80px;

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 300ms ease;
    --transition-slow: 500ms ease;

    /* Shadows */
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.07);
    --shadow-lg: 0 10px 25px rgba(0, 0, 0, 0.1);
}

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

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-text);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul {
    list-style: none;
}

address {
    font-style: normal;
}

/* Container */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 var(--spacing-lg);
}

/* ==========================================================================
   Navigation
   ========================================================================== */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    height: var(--navbar-height);
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--color-border);
    z-index: 1000;
    transition: all var(--transition-base);
}

.navbar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 100%;
}

.logo {
    display: flex;
    flex-direction: column;
    line-height: 1.2;
}

.logo-text {
    font-size: var(--font-size-xl);
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.1em;
}

.logo-sub {
    font-size: var(--font-size-xs);
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.15em;
}

.nav-links {
    display: flex;
    gap: var(--spacing-xl);
}

.nav-links a {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: var(--color-primary);
    transition: width var(--transition-base);
}

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

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

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--color-primary);
    transition: all var(--transition-base);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding-top: var(--navbar-height);
    overflow: hidden;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(180deg, #ffffff 0%, #f8f9fa 100%);
    z-index: -1;
}

.hero .container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: calc(100vh - var(--navbar-height));
}

.hero-content {
    text-align: center;
    max-width: 800px;
}

.hero-title {
    margin-bottom: var(--spacing-lg);
}

.hero-title-main {
    display: block;
    font-size: clamp(3rem, 8vw, var(--font-size-5xl));
    font-weight: 700;
    color: var(--color-primary);
    letter-spacing: 0.15em;
    line-height: 1.1;
}

.hero-title-sub {
    display: block;
    font-size: clamp(0.875rem, 2vw, var(--font-size-lg));
    font-weight: 400;
    color: var(--color-text-muted);
    letter-spacing: 0.3em;
    margin-top: var(--spacing-xs);
}

.hero-description {
    font-size: clamp(1rem, 2.5vw, var(--font-size-lg));
    color: var(--color-text-light);
    line-height: 1.8;
    max-width: 600px;
    margin: 0 auto var(--spacing-xl);
}

.hero-badges {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin-bottom: var(--spacing-xl);
}

.badge {
    display: inline-flex;
    align-items: center;
    padding: var(--spacing-xs) var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-border);
    border-radius: 100px;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-light);
    letter-spacing: 0.05em;
}

/* Button */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: var(--spacing-md) var(--spacing-xl);
    font-family: inherit;
    font-size: var(--font-size-sm);
    font-weight: 500;
    letter-spacing: 0.1em;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    transition: all var(--transition-base);
}

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

.btn-primary:hover {
    background: var(--color-secondary);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* Scroll Indicator */
.scroll-indicator {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-muted);
    font-size: var(--font-size-xs);
    letter-spacing: 0.1em;
}

.scroll-line {
    width: 1px;
    height: 40px;
    background: linear-gradient(to bottom, var(--color-text-muted), transparent);
    animation: scrollPulse 2s ease-in-out infinite;
}

@keyframes scrollPulse {
    0%, 100% { opacity: 0.3; transform: scaleY(0.8); }
    50% { opacity: 1; transform: scaleY(1); }
}

/* ==========================================================================
   Section Common Styles
   ========================================================================== */
.section-header {
    text-align: center;
    margin-bottom: var(--spacing-3xl);
}

.section-label {
    display: inline-block;
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.2em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.section-title {
    font-size: clamp(1.75rem, 4vw, var(--font-size-4xl));
    font-weight: 600;
    color: var(--color-primary);
    line-height: 1.3;
}

/* ==========================================================================
   About Section
   ========================================================================== */
.about {
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-3xl);
    align-items: start;
}

.about-content {
    max-width: 500px;
}

.about-lead {
    font-size: var(--font-size-lg);
    font-weight: 500;
    color: var(--color-text);
    margin-bottom: var(--spacing-lg);
    line-height: 1.7;
}

.about-content p {
    color: var(--color-text-light);
    margin-bottom: var(--spacing-md);
    line-height: 1.8;
}

.about-stats {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

.stat-card {
    background: var(--color-white);
    padding: var(--spacing-lg);
    border-radius: 8px;
    border: 1px solid var(--color-border);
    transition: all var(--transition-base);
}

.stat-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}

.stat-icon {
    width: 48px;
    height: 48px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--color-bg);
    border-radius: 8px;
    margin-bottom: var(--spacing-md);
    color: var(--color-accent);
}

.stat-icon svg {
    width: 24px;
    height: 24px;
}

.stat-card h3 {
    font-size: var(--font-size-base);
    font-weight: 600;
    color: var(--color-primary);
    margin-bottom: var(--spacing-xs);
}

.stat-card p {
    font-size: var(--font-size-sm);
    color: var(--color-text-light);
    line-height: 1.5;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */
.contact {
    padding: var(--spacing-3xl) 0;
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: var(--spacing-3xl);
}

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

.contact-card {
    padding: var(--spacing-lg);
    background: var(--color-bg);
    border-radius: 8px;
}

.contact-card h3 {
    font-size: var(--font-size-xs);
    font-weight: 500;
    color: var(--color-text-muted);
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: var(--spacing-sm);
}

.contact-card address {
    font-size: var(--font-size-base);
    color: var(--color-text);
    line-height: 1.8;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-xs);
    font-size: var(--font-size-base);
    color: var(--color-primary);
    font-weight: 500;
}

.contact-link:hover {
    color: var(--color-accent);
}

.whatsapp-link {
    color: #25d366;
}

.whatsapp-link:hover {
    color: #128c7e;
}

.contact-map {
    border-radius: 8px;
    overflow: hidden;
    background: var(--color-bg);
}

.map-container {
    width: 100%;
    height: 400px;
}

.map-container iframe {
    width: 100%;
    height: 100%;
    filter: grayscale(20%);
}

/* ==========================================================================
   Footer
   ========================================================================== */
.footer {
    background: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xl) 0;
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: var(--spacing-lg);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: var(--spacing-lg);
}

.footer-brand .logo-text {
    color: var(--color-white);
}

.footer-brand .logo-sub {
    color: rgba(255, 255, 255, 0.5);
}

.footer-info p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.6);
    line-height: 1.6;
}

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

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.4);
}

/* ==========================================================================
   Responsive Design
   ========================================================================== */
@media (max-width: 992px) {
    .about-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .about-content {
        max-width: 100%;
    }

    .about-stats {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: var(--spacing-md);
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-2xl);
    }

    .contact-map {
        order: -1;
    }

    .map-container {
        height: 300px;
    }
}

@media (max-width: 768px) {
    :root {
        --navbar-height: 70px;
    }

    .nav-links {
        display: none;
        position: absolute;
        top: var(--navbar-height);
        left: 0;
        right: 0;
        background: var(--color-white);
        flex-direction: column;
        padding: var(--spacing-lg);
        gap: var(--spacing-md);
        border-bottom: 1px solid var(--color-border);
    }

    .nav-links.active {
        display: flex;
    }

    .mobile-menu-btn {
        display: flex;
    }

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

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

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

    .about-stats {
        grid-template-columns: 1fr;
    }

    .footer-content {
        flex-direction: column;
        gap: var(--spacing-lg);
        text-align: center;
    }

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

    .hero-badges {
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 var(--spacing-md);
    }

    .hero {
        padding-top: calc(var(--navbar-height) + var(--spacing-xl));
    }

    .hero-title-main {
        letter-spacing: 0.1em;
    }

    .btn {
        width: 100%;
        padding: var(--spacing-md);
    }

    .contact-info {
        gap: var(--spacing-md);
    }

    .contact-card {
        padding: var(--spacing-md);
    }
}

/* ==========================================================================
   Animations
   ========================================================================== */
@media (prefers-reduced-motion: no-preference) {
    .stat-card,
    .contact-card {
        opacity: 0;
        transform: translateY(20px);
        animation: fadeInUp 0.6s ease forwards;
    }

    .stat-card:nth-child(1) { animation-delay: 0.1s; }
    .stat-card:nth-child(2) { animation-delay: 0.2s; }
    .stat-card:nth-child(3) { animation-delay: 0.3s; }

    .contact-card:nth-child(1) { animation-delay: 0.1s; }
    .contact-card:nth-child(2) { animation-delay: 0.2s; }
    .contact-card:nth-child(3) { animation-delay: 0.3s; }
}

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

/* Print Styles */
@media print {
    .navbar,
    .scroll-indicator,
    .contact-map {
        display: none;
    }

    .hero {
        min-height: auto;
        padding: var(--spacing-lg) 0;
    }

    body {
        font-size: 12pt;
    }
}