/* 
======================================================
    Satik Accountancy Services - Main Stylesheet
======================================================
*/

/* --- 1. Variables & Root --- */
:root {
    /* Color Palette */
    --clr-primary: #0A192F; /* Deep Navy */
    --clr-primary-light: #112240;
    --clr-secondary: #C5A059; /* Subtle Gold / Copper */
    --clr-secondary-hover: #D4AF37;
    --clr-accent: #233554;
    --clr-text-main: #333333;
    --clr-text-muted: #666666;
    --clr-bg-light: #F8F9FA;
    --clr-bg-white: #FFFFFF;

    /* Typography */
    --font-primary: 'Inter', system-ui, -apple-system, sans-serif;
    --font-secondary: 'Playfair Display', serif; /* For premium headings */

    /* Spacing */
    --space-sm: 0.5rem;
    --space-md: 1rem;
    --space-lg: 2rem;
    --space-xl: 4rem;
    --space-xxl: 6rem;

    /* Transition & Shadows */
    --transition-fast: 0.2s ease;
    --transition-smooth: 0.4s cubic-bezier(0.25, 1, 0.5, 1);
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 10px 30px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 20px 40px rgba(10, 25, 47, 0.15);
}

/* --- 2. Reset & Basics --- */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-primary);
    color: var(--clr-text-main);
    background-color: var(--clr-bg-light);
    line-height: 1.6;
    font-size: 16px;
    overflow-x: hidden;
}

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-secondary);
    color: var(--clr-primary);
    margin-bottom: var(--space-md);
    line-height: 1.2;
}

p {
    margin-bottom: var(--space-md);
    color: var(--clr-text-muted);
}

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

a:hover {
    color: var(--clr-secondary-hover);
}

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--space-md);
}

.section-padding {
    padding: var(--space-xxl) 0;
}

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

.section-title {
    font-size: 2.5rem;
    position: relative;
    padding-bottom: var(--space-md);
    margin-bottom: var(--space-xl);
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background-color: var(--clr-secondary);
}

.section-title.left-align::after {
    left: 0;
    transform: none;
}

/* --- 3. Buttons --- */
.btn {
    display: inline-block;
    padding: 12px 30px;
    font-weight: 500;
    border-radius: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
    cursor: pointer;
    transition: var(--transition-smooth);
    border: 2px solid transparent;
}

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

.btn-primary:hover {
    background-color: var(--clr-primary);
    color: var(--clr-bg-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline {
    background-color: transparent;
    border-color: var(--clr-secondary);
    color: var(--clr-secondary);
}

.btn-outline:hover {
    background-color: var(--clr-secondary);
    color: var(--clr-bg-white);
}

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

.btn-light:hover {
    background-color: var(--clr-secondary);
    color: var(--clr-bg-white);
}

/* --- 4. Navigation --- */
header {
    background-color: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
}

header.scrolled {
    padding: 0;
    box-shadow: var(--shadow-md);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 80px;
}

.logo a {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--clr-primary);
    letter-spacing: -0.5px;
}

.logo span {
    color: var(--clr-secondary);
}

.nav-links {
    display: flex;
    gap: var(--space-lg);
}

.nav-links a {
    color: var(--clr-primary);
    font-weight: 500;
    font-size: 1rem;
    position: relative;
}

.nav-links a::before {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--clr-secondary);
    transition: var(--transition-smooth);
}

.nav-links a:hover::before,
.nav-links a.active::before {
    width: 100%;
}

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

.mobile-menu-btn {
    display: none;
    font-size: 1.5rem;
    color: var(--clr-primary);
    cursor: pointer;
    background: none;
    border: none;
}

/* --- 5. Hero Section --- */
.hero {
    height: 100vh;
    min-height: 600px;
    background: linear-gradient(to right, rgba(10, 25, 47, 0.9), rgba(10, 25, 47, 0.7)), url('../images/hero-bg.jpg') center/cover no-repeat;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px; /* Offset for header */
}

.hero-content {
    max-width: 700px;
    color: var(--clr-bg-white);
}

.hero-subtitle {
    font-family: var(--font-primary);
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--clr-secondary);
    font-weight: 600;
    margin-bottom: var(--space-md);
    display: block;
}

.hero-title {
    font-size: 4rem;
    color: var(--clr-bg-white);
    margin-bottom: var(--space-md);
}

.hero-text {
    font-size: 1.2rem;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--space-lg);
}

.hero-actions {
    display: flex;
    gap: var(--space-md);
}

/* --- 6. About Overview --- */
.about-overview {
    background-color: var(--clr-bg-white);
}

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--space-xxl);
    align-items: center;
}

.about-image {
    position: relative;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

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

.about-image:hover img {
    transform: scale(1.05);
}

.about-experience-badge {
    position: absolute;
    bottom: -20px;
    right: -20px;
    background-color: var(--clr-secondary);
    color: var(--clr-bg-white);
    padding: var(--space-lg);
    border-radius: 50%;
    width: 150px;
    height: 150px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    box-shadow: var(--shadow-md);
    text-align: center;
}

.badge-number {
    font-size: 2.5rem;
    font-weight: 700;
    line-height: 1;
}

.badge-text {
    font-size: 0.9rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* --- 7. Services Section --- */
.services-section {
    background-color: var(--clr-bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--space-lg);
}

.service-card {
    background-color: var(--clr-bg-white);
    padding: var(--space-xl) var(--space-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
    z-index: 1;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background-color: var(--clr-secondary);
    transform: scaleX(0);
    transform-origin: left;
    transition: var(--transition-smooth);
    z-index: -1;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-md);
}

.service-card:hover::before {
    transform: scaleX(1);
}

.service-icon {
    font-size: 2.5rem;
    color: var(--clr-secondary);
    margin-bottom: var(--space-md);
}

.service-title {
    font-size: 1.5rem;
    margin-bottom: var(--space-sm);
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: var(--space-md);
}

.service-link {
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

.service-link::after {
    content: '→';
    transition: var(--transition-fast);
}

.service-link:hover::after {
    transform: translateX(5px);
}

/* --- 8. Who We Help --- */
.who-we-help {
    background-color: var(--clr-primary);
    color: var(--clr-bg-white);
}

.who-we-help .section-title {
    color: var(--clr-bg-white);
}

.who-we-help p {
    color: rgba(255, 255, 255, 0.8);
}

.client-types {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--space-md);
    margin-top: var(--space-xl);
}

.client-type {
    background-color: rgba(255, 255, 255, 0.05);
    padding: var(--space-md);
    border-radius: 4px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition-fast);
}

.client-type:hover {
    background-color: var(--clr-secondary);
    border-color: var(--clr-secondary);
    transform: translateY(-5px);
}

.client-type span {
    font-weight: 500;
    color: var(--clr-bg-white);
}

/* --- 9. CTA Section --- */
.cta-section {
    background: linear-gradient(45deg, var(--clr-secondary), var(--clr-secondary-hover));
    text-align: center;
    color: var(--clr-bg-white);
}

.cta-section h2 {
    color: var(--clr-bg-white);
}

.cta-section p {
    color: var(--clr-bg-white);
    max-width: 600px;
    margin: 0 auto var(--space-lg);
}

/* --- 10. Footer --- */
footer {
    background-color: var(--clr-primary);
    color: var(--clr-bg-white);
    padding-top: var(--space-xl);
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: var(--space-xl);
    margin-bottom: var(--space-xl);
}

.footer-col h4 {
    color: var(--clr-bg-white);
    font-family: var(--font-primary);
    font-size: 1.2rem;
    margin-bottom: var(--space-md);
    position: relative;
    padding-bottom: 10px;
}

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

.footer-logo {
    font-family: var(--font-secondary);
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--clr-bg-white);
    margin-bottom: var(--space-md);
    display: block;
}

.footer-logo span {
    color: var(--clr-secondary);
}

.footer-col p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 0.95rem;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
}

.footer-links a:hover {
    color: var(--clr-secondary);
    padding-left: 5px;
}

.footer-contact li {
    display: flex;
    gap: 10px;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.7);
    align-items: flex-start;
}

.footer-contact i {
    color: var(--clr-secondary);
    margin-top: 4px;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: var(--space-md) 0;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.9rem;
}

/* --- 11. Page Header (for inner pages) --- */
.page-header {
    padding: 150px 0 80px;
    background-color: var(--clr-primary);
    color: var(--clr-bg-white);
    text-align: center;
}

.page-header h1 {
    color: var(--clr-bg-white);
    font-size: 3rem;
    margin-bottom: var(--space-sm);
}

.page-header p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 1.2rem;
    max-width: 600px;
    margin: 0 auto;
}

/* --- 12. Contact Page --- */
.contact-grid {
    display: grid;
    grid-template-columns: 1fr 2fr;
    gap: var(--space-xl);
}

.contact-info-card {
    background-color: var(--clr-bg-white);
    padding: var(--space-lg);
    border-radius: 8px;
    box-shadow: var(--shadow-sm);
    margin-bottom: var(--space-md);
    display: flex;
    gap: var(--space-md);
    align-items: center;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background-color: rgba(197, 160, 89, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--clr-secondary);
    font-size: 1.5rem;
    flex-shrink: 0;
}

.contact-details h4 {
    margin-bottom: 5px;
    color: var(--clr-primary);
}

.contact-details p {
    margin-bottom: 0;
}

.contact-form {
    background-color: var(--clr-bg-white);
    padding: var(--space-xl);
    border-radius: 8px;
    box-shadow: var(--shadow-lg);
}

.form-group {
    margin-bottom: var(--space-md);
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: var(--clr-primary);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-family: var(--font-primary);
    font-size: 1rem;
    transition: var(--transition-fast);
}

.form-control:focus {
    outline: none;
    border-color: var(--clr-secondary);
    box-shadow: 0 0 0 3px rgba(197, 160, 89, 0.2);
}

textarea.form-control {
    resize: vertical;
    min-height: 150px;
}

/* --- 13. Animations & Micro-interactions --- */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.8s ease;
}

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

/* --- 14. Responsive Design --- */
@media (max-width: 992px) {
    .footer-grid {
        grid-template-columns: 1fr 1fr;
    }
    .about-grid, .contact-grid {
        grid-template-columns: 1fr;
    }
    .hero-title {
        font-size: 3rem;
    }
    .about-experience-badge {
        bottom: 20px;
        right: 20px;
    }
}

@media (max-width: 768px) {
    .mobile-menu-btn {
        display: block;
    }
    .nav-links {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background-color: var(--clr-bg-white);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        transition: var(--transition-smooth);
        box-shadow: var(--shadow-md);
    }
    .nav-links.active {
        left: 0;
    }
    .hero-title {
        font-size: 2.5rem;
    }
    .section-title {
        font-size: 2rem;
    }
    .footer-grid {
        grid-template-columns: 1fr;
    }
}