/*
================================================
TABLE OF CONTENTS
------------------------------------------------
1.  Imports & Custom Properties
2.  General & Reset Styles
3.  Typography & Utility Classes
4.  Preloader & Animations
5.  Header & Navigation
6.  Hero Section & Particle Canvas
7.  Marquee Section
8.  Services Section (Tabs)
9.  Approach Section
10. Industries Section
11. Testimonials Section
12. Call to Action (CTA) Section
13. Footer & Back-to-Top Button
14. Contact Page Styles
15. Legal Page Styles
16. Responsive Design (Media Queries)
================================================
*/

/* 1. Imports & Custom Properties */
@import url('https://fonts.googleapis.com/css2?family=Cormorant+Garamond:wght@600;700&family=Nunito:wght@400;600;700&display=swap');

:root {
    --color-primary: #D4AF37;
    /* Gold */
    --color-background: #0A192F;
    /* Dark Teal/Navy */
    --color-background-light: #172a45;
    --color-text-primary: #CCD6F6;
    --color-text-secondary: #8892b0;
    --color-border: rgba(212, 175, 55, 0.2);
    --font-heading: 'Cormorant Garamond', serif;
    --font-body: 'Nunito', sans-serif;
    --header-height: 80px;
    --border-radius: 4px;
    --transition-speed: 0.4s;
    --box-shadow: 0 10px 30px -15px rgba(0, 0, 0, 0.7);
}

/* 2. General & Reset Styles */
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    scroll-padding-top: var(--header-height);
}

body {
    background-color: var(--color-background);
    color: var(--color-text-primary);
    font-family: var(--font-body);
    line-height: 1.7;
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
}

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

a {
    color: var(--color-primary);
    text-decoration: none;
    transition: color var(--transition-speed) ease;
}

a:hover {
    color: #fff;
}

ul {
    list-style: none;
}

/* 3. Typography & Utility Classes */
h1,
h2,
h3,
h4 {
    font-family: var(--font-heading);
    font-weight: 700;
    color: var(--color-text-primary);
    line-height: 1.2;
}

h1 {
    font-size: clamp(3rem, 6vw, 5.5rem);
}

h2 {
    font-size: clamp(2.2rem, 5vw, 3rem);
}

h3 {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

h4 {
    font-size: 1.3rem;
    margin-bottom: 0.5rem;
    font-weight: 600;
}

p {
    color: var(--color-text-secondary);
    margin-bottom: 1rem;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 20px;
}

.section-padding {
    padding: 120px 0;
}

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

.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: var(--border-radius);
    font-weight: 600;
    text-align: center;
    transition: all var(--transition-speed) cubic-bezier(0.19, 1, 0.22, 1);
    cursor: pointer;
    border: 1px solid transparent;
}

.btn-primary {
    background-color: var(--color-primary);
    color: #000;
    border-color: var(--color-primary);
}

.btn-primary:hover {
    background-color: transparent;
    color: var(--color-primary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(212, 175, 55, 0.2);
}

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

.btn-secondary:hover {
    background-color: var(--color-primary);
    color: #000;
    transform: translateY(-3px);
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title p {
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.text-gradient {
    background: linear-gradient(90deg, var(--color-primary), #fff);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* 4. Preloader & Animations */
#preloader {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--color-background);
    z-index: 9999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: opacity 0.5s ease;
}

#preloader.loaded {
    opacity: 0;
    pointer-events: none;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 3px solid var(--color-border);
    border-top-color: var(--color-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.animate-on-load {
    opacity: 0;
    transform: translateY(20px);
    animation: fadeInUp 0.8s ease-out forwards;
    animation-delay: calc(0.2s * var(--delay, 0));
}

.animate-on-scroll {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.is-visible {
    opacity: 1;
    transform: translateY(0);
}

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

/* 5. Header & Navigation */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    display: flex;
    align-items: center;
    background: rgba(10, 25, 47, 0.85);
    backdrop-filter: blur(10px);
    transition: all var(--transition-speed) ease;
}

#main-header.scrolled {
    height: 70px;
    box-shadow: var(--box-shadow);
}

#main-header .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    width: 100%;
}

.logo {
    height: 50px;
    filter: brightness(0) invert(1);
}

.logo-text {
    font-size: 1.6rem;
    font-family: var(--font-heading);
}

#main-nav ul {
    display: flex;
    gap: 40px;
}

#main-nav a {
    color: var(--color-text-primary);
    font-weight: 600;
    position: relative;
    padding: 5px 0;
}

#main-nav a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 0;
    height: 1px;
    background-color: var(--color-primary);
    transition: width var(--transition-speed) ease;
}

#main-nav a:hover::after,
#main-nav a.active::after {
    width: 100%;
}

#hamburger-menu {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1001;
    width: 30px;
    height: 21px;
    position: relative;
}

#hamburger-menu span {
    display: block;
    width: 30px;
    height: 2px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}

#hamburger-menu span:first-child {
    transform-origin: 0% 0%;
}

#hamburger-menu span:last-child {
    transform-origin: 0% 100%;
}

#hamburger-menu.active span:first-child {
    transform: rotate(45deg);
    width: 35px;
}

#hamburger-menu.active span:last-child {
    transform: rotate(-45deg);
    width: 35px;
}

/* 6. Hero Section & Particle Canvas */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

#particle-canvas {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.hero-content {
    max-width: 700px;
}

.hero-content p {
    font-size: 1.1rem;
    max-width: 500px;
    margin: 2rem 0 2.5rem;
}

.hero-buttons {
    display: flex;
    gap: 20px;
}

/* 7. Marquee Section */
.trusted-by-section {
    padding: 20px 0;
    background: var(--color-background-light);
    border-top: 1px solid var(--color-border);
    border-bottom: 1px solid var(--color-border);
}

.marquee {
    width: 100%;
    overflow: hidden;
    display: flex;
}

.marquee-content {
    display: flex;
    flex-shrink: 0;
    animation: marquee 30s linear infinite;
}

.marquee-content span {
    padding: 0 40px;
    font-size: 1.1rem;
    color: var(--color-text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.marquee-content span:first-child {
    color: var(--color-primary);
}

@keyframes marquee {
    from {
        transform: translateX(0);
    }

    to {
        transform: translateX(-100%);
    }
}

/* 8. Services Section (Tabs) */
.services-interactive-wrapper {
    display: flex;
    gap: 50px;
}

.services-tabs {
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
}

.service-tab-btn {
    background: none;
    border: none;
    border-left: 2px solid var(--color-border);
    color: var(--color-text-secondary);
    font-family: var(--font-body);
    font-size: 1.1rem;
    font-weight: 600;
    padding: 15px 20px;
    text-align: left;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
}

.service-tab-btn.active {
    border-left-color: var(--color-primary);
    color: var(--color-primary);
    background-color: rgba(212, 175, 55, 0.05);
    transform: translateX(5px);
}

.services-content-container {
    flex-grow: 1;
    position: relative;
    min-height: 400px;
}

.service-content {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 0.5s ease;
    pointer-events: none;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: center;
}

.service-content.active {
    opacity: 1;
    pointer-events: auto;
}

.content-text ul {
    list-style-type: '› ';
    padding-left: 1.2rem;
}

.content-text ul li {
    padding-left: 0.5rem;
    margin-bottom: 0.5rem;
}

.content-visual {
    width: 100%;
    height: 100%;
    min-height: 350px;
    background-size: cover;
    background-position: center;
    border-radius: var(--border-radius);
}

/* 9. Approach Section */
.approach-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
}

.approach-step {
    position: relative;
    padding: 30px;
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    background: var(--color-background);
}

.step-number {
    position: absolute;
    top: -20px;
    right: 20px;
    font-size: 4rem;
    font-weight: 700;
    color: rgba(212, 175, 55, 0.1);
    line-height: 1;
}

.approach-step h3 {
    color: var(--color-primary);
}

/* 10. Industries Section */
.industry-wrapper {
    background: var(--color-background-light);
    border-radius: var(--border-radius);
    padding: 40px;
    border: 1px solid var(--color-border);
}

.industry-selector {
    display: flex;
    flex-wrap: wrap;
    gap: 15px;
    margin-bottom: 30px;
    border-bottom: 1px solid var(--color-border);
    padding-bottom: 20px;
}

.industry-btn {
    background: transparent;
    border: 1px solid var(--color-text-secondary);
    color: var(--color-text-secondary);
    padding: 10px 20px;
    border-radius: 20px;
    cursor: pointer;
    transition: all var(--transition-speed);
}

.industry-btn.active {
    background: var(--color-primary);
    color: var(--color-background);
    border-color: var(--color-primary);
}

.industry-content {
    display: none;
}

.industry-content.active {
    display: block;
    animation: fadeInUp 0.5s;
}

.industry-content h4 {
    color: var(--color-primary);
}

/* 11. Testimonials Section */
.testimonial-container {
    position: relative;
    max-width: 750px;
    margin: 0 auto;
    text-align: center;
}

.testimonial-slide {
    display: none;
}

.testimonial-slide.active {
    display: block;
    animation: fadeInUp 0.6s;
}

.quote {
    font-family: var(--font-heading);
    font-size: 1.8rem;
    font-weight: 600;
    line-height: 1.5;
    margin-bottom: 2rem;
}

.author h4 {
    font-size: 1.2rem;
    font-family: var(--font-body);
    font-weight: 700;
    color: var(--color-text-primary);
    margin: 0;
}

.author span {
    font-size: 1rem;
    color: var(--color-primary);
}

.testimonial-nav {
    margin-top: 30px;
}

.testimonial-nav button {
    background: none;
    border: 1px solid var(--color-border);
    color: var(--color-text-secondary);
    width: 45px;
    height: 45px;
    border-radius: 50%;
    font-size: 1.5rem;
    cursor: pointer;
    margin: 0 10px;
    transition: all var(--transition-speed);
}

.testimonial-nav button:hover {
    background: var(--color-primary);
    color: #000;
    border-color: var(--color-primary);
}

/* 12. Call to Action (CTA) Section */
.cta-container {
    text-align: center;
}

.cta-container h2 {
    margin-bottom: 1rem;
}

.cta-container p {
    max-width: 600px;
    margin: 0 auto 2.5rem;
}

/* 13. Footer & Back-to-Top Button */
#main-footer {
    background: var(--color-background-light);
    padding-top: 60px;
}

.footer-top {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 40px;
    border-bottom: 1px solid var(--color-border);
    margin-bottom: 40px;
}

.footer-top h3 {
    font-size: 2rem;
    margin: 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr repeat(3, 1fr);
    gap: 40px;
    padding-bottom: 60px;
}

.footer-col h4 {
    font-family: var(--font-body);
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--color-text-primary);
}

.footer-col ul li {
    margin-bottom: 10px;
    color: var(--color-text-secondary);
}

.footer-col ul a {
    color: var(--color-text-secondary);
}

.footer-col ul a:hover {
    color: var(--color-primary);
}

.footer-bottom {
    border-top: 1px solid var(--color-border);
    padding: 25px 0;
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

#back-to-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 45px;
    height: 45px;
    background: var(--color-primary);
    color: #000;
    border: none;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 1.5rem;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed);
    z-index: 999;
}

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

/* 14. Contact Page Styles */
.contact-layout {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 50px;
    background-color: var(--color-background-light);
    padding: 50px;
    border-radius: var(--border-radius);
}

.contact-form-wrapper form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    width: 100%;
}

.form-group.full-width {
    grid-column: 1 / -1;
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 600;
    color: var(--color-text-primary);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px;
    background: var(--color-background);
    border: 1px solid var(--color-border);
    border-radius: var(--border-radius);
    color: var(--color-text-primary);
    transition: border-color var(--transition-speed);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
}

.contact-info-wrapper h3 {
    margin-top: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--color-primary);
}

.contact-info-wrapper h3:first-child {
    margin-top: 0;
}

/* 15. Legal Page Styles */
.legal-page .container {
    max-width: 800px;
    background: var(--color-background-light);
    padding: 60px;
    border-radius: var(--border-radius);
}

.legal-page h1 {
    font-size: 3rem;
    margin-bottom: 2rem;
    color: var(--color-primary);
    text-align: center;
}

.legal-page h2 {
    font-size: 1.8rem;
    margin: 2.5rem 0 1rem 0;
    padding-bottom: 0.5rem;
    border-bottom: 1px solid var(--color-border);
}

.legal-page p,
.legal-page li {
    font-size: 1.1rem;
}

.legal-page ul {
    list-style-type: disc;
    padding-left: 20px;
}

/* 16. Responsive Design */
@media (max-width: 1024px) {
    .services-interactive-wrapper {
        flex-direction: column;
        gap: 30px;
    }

    .services-tabs {
        flex-direction: row;
        overflow-x: auto;
        white-space: nowrap;
        padding-bottom: 10px;
    }

    .service-tab-btn {
        border-left: none;
        border-bottom: 2px solid var(--color-border);
    }

    .service-tab-btn.active {
        transform: translateY(3px);
        border-bottom-color: var(--color-primary);
    }

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

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

    .footer-col.about {
        grid-column: 1 / -1;
    }
}

@media (max-width: 768px) {
    .section-padding {
        padding: 80px 0;
    }

    #main-nav {
        position: fixed;
        top: 0;
        right: 0;
        width: min(75vw, 400px);
        height: 100vh;
        background: var(--color-background-light);
        flex-direction: column;
        justify-content: center;
        text-align: center;
        transform: translateX(100%);
        transition: transform var(--transition-speed) ease-in-out;
    }

    #main-nav.active {
        transform: translateX(0);
        box-shadow: var(--box-shadow);
    }

    #main-nav ul {
        flex-direction: column;
        gap: 40px;
    }

    #main-nav a {
        font-size: 1.3rem;
    }

    .header-cta {
        display: none;
    }

    #hamburger-menu {
        display: block;
    }

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

    .hero-buttons {
        justify-content: center;
        flex-direction: column;
        align-items: center;
    }

    .service-content {
        grid-template-columns: 1fr;
    }

    .content-visual {
        grid-row: 1;
    }

    .footer-top {
        flex-direction: column;
        text-align: center;
        gap: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .contact-layout {
        grid-template-columns: 1fr;
    }

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