/*
* File: style.css
* Description: Main stylesheet for Henry Aqua Transport Digital Marketing Website (Theme V3 - Data Driven).
* Version: 3.0
*/

/* ------------------- */
/* 1. ROOT VARIABLES & GLOBAL STYLES */
/* ------------------- */
:root {
    --bg-dark: #01041B;
    --bg-dark-translucent: rgba(1, 4, 27, 0.8);
    --primary-accent: #00BFFF; /* DeepSkyBlue */
    --secondary-accent: #FF00FF; /* Magenta for highlights */
    --text-light: #E0E0E0;
    --text-medium: #A0A0B0;
    --card-bg: rgba(10, 15, 45, 0.5);
    --border-color: rgba(0, 191, 255, 0.2);
    --glow-color: rgba(0, 191, 255, 0.5);
    --header-height: 80px;
    --font-family: 'Space Grotesk', sans-serif;
    --transition-speed: 0.4s;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
    background-color: var(--bg-dark);
}

body {
    font-family: var(--font-family);
    color: var(--text-medium);
    line-height: 1.7;
    overflow-x: hidden;
    position: relative;
}

h1, h2, h3, h4, h5, h6 {
    color: var(--text-light);
    font-weight: 700;
    line-height: 1.3;
    text-shadow: 0 0 5px rgba(255, 255, 255, 0.1);
}

h1 { font-size: 4rem; letter-spacing: -1px; }
h2 { font-size: 3rem; }
h3 { font-size: 1.5rem; }
h4 { font-size: 1.1rem; font-weight: 500;}

p { margin-bottom: 1rem; }
a { color: var(--primary-accent); text-decoration: none; transition: color var(--transition-speed) ease, text-shadow var(--transition-speed) ease; }
a:hover { color: var(--text-light); text-shadow: 0 0 8px var(--glow-color); }
ul { list-style: none; }
img { max-width: 100%; height: auto; display: block; }

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
    position: relative;
    z-index: 2;
}

.section-padding {
    padding: 120px 0;
    position: relative;
}
/* Angled section dividers */
.section-padding:nth-child(odd) {
    background: linear-gradient(165deg, var(--bg-dark) 0%, #03082f 100%);
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
    max-width: 750px;
    margin-left: auto;
    margin-right: auto;
}
.section-header h2 {
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}
.section-header h2::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--primary-accent), transparent);
    border-radius: 2px;
}

.highlight {
    color: var(--primary-accent);
    text-shadow: 0 0 10px var(--glow-color);
}

/* ------------------- */
/* 2. UI COMPONENTS & BUTTONS */
/* ------------------- */
.btn {
    display: inline-block;
    padding: 14px 35px;
    border-radius: 5px;
    font-weight: 500;
    border: 2px solid var(--primary-accent);
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    position: relative;
    overflow: hidden;
    z-index: 1;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.btn::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    width: 0;
    height: 0;
    background: var(--primary-accent);
    border-radius: 50%;
    transform: translate(-50%, -50%);
    transition: width var(--transition-speed) ease, height var(--transition-speed) ease;
    z-index: -1;
}
.btn:hover::before {
    width: 225%;
    height: 500%;
}
.btn-lg { padding: 16px 45px; font-size: 1.1rem; }
.btn-full { width: 100%; text-align: center; }

.btn-primary { background: var(--primary-accent); color: var(--bg-dark); }
.btn-primary:hover { background: transparent; color: var(--primary-accent); }

.btn-secondary { background: transparent; color: var(--primary-accent); }
.btn-secondary:hover { color: var(--bg-dark); }
.btn-secondary:hover::before { background: var(--primary-accent); }

/* ------------------- */
/* 3. HEADER & NAVIGATION */
/* ------------------- */
#main-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    transition: background-color 0.4s ease, backdrop-filter 0.4s ease, padding 0.4s ease, border-bottom 0.4s ease;
    padding: 20px 0;
    border-bottom: 1px solid transparent;
}
#main-header.scrolled {
    background-color: var(--bg-dark-translucent);
    backdrop-filter: blur(15px);
    padding: 15px 0;
    border-bottom: 1px solid var(--border-color);
}

#main-header nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
#main-header .logo img {
    height: auto;
    width: 190px;
    transition: transform var(--transition-speed) ease, filter var(--transition-speed) ease;
}
#main-header .logo:hover img {
    transform: scale(1.05);
    filter: drop-shadow(0 0 5px var(--glow-color));
}
#main-header .nav-links { display: flex; gap: 40px; }
#main-header .nav-links li a {
    color: var(--text-light);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
}
#main-header .nav-links li a::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-accent);
    transition: width var(--transition-speed) ease-out;
    box-shadow: 0 0 8px var(--glow-color);
}
#main-header .nav-links li a:hover::after,
#main-header .nav-links li a.active::after {
    width: 100%;
}

/* Hamburger Menu */
#hamburger-btn {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    z-index: 1002;
    flex-direction: column;
    gap: 5px;
}
#hamburger-btn .bar {
    width: 25px;
    height: 3px;
    background-color: var(--text-light);
    border-radius: 2px;
    transition: all 0.3s ease-in-out;
}
#hamburger-btn.active .bar:nth-child(1) { transform: translateY(8px) rotate(45deg); }
#hamburger-btn.active .bar:nth-child(2) { opacity: 0; }
#hamburger-btn.active .bar:nth-child(3) { transform: translateY(-8px) rotate(-45deg); }

#mobile-menu {
    display: none;
    position: fixed;
    top: 0;
    right: 0;
    width: 80%;
    max-width: 350px;
    height: 100vh;
    background: var(--bg-dark-translucent);
    backdrop-filter: blur(20px);
    box-shadow: -10px 0 30px rgba(0,0,0,0.3);
    transform: translateX(100%);
    transition: transform 0.4s cubic-bezier(0.23, 1, 0.32, 1);
    z-index: 999;
}
#mobile-menu.open { transform: translateX(0); }
#mobile-menu #close-btn {
    position: absolute;
    top: 20px;
    right: 20px;
    font-size: 2.5rem;
    background: none;
    border: none;
    color: var(--text-light);
    cursor: pointer;
}
#mobile-menu ul {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 100%;
    gap: 40px;
}
#mobile-menu ul a { font-size: 1.5rem; color: var(--text-light); }
#mobile-menu .btn { margin-top: 20px; }

/* ------------------- */
/* 4. PAGE SECTIONS */
/* ------------------- */

/* --- 4.1 HERO --- */
#hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: var(--header-height);
    overflow: hidden;
}
#hero .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.hero-content {
    max-width: 55%;
    z-index: 3;
}
.hero-content h1 {
    font-size: 4.5rem;
    font-weight: 700;
    line-height: 1.1;
    margin-bottom: 25px;
}
.hero-content p {
    font-size: 1.25rem;
    max-width: 90%;
    margin-bottom: 40px;
}
.hero-buttons .btn { margin-right: 15px; }

/* 3D Sphere */
.hero-3d-visual {
    width: 40%;
    height: 500px;
    perspective: 1500px;
}
#data-sphere-container {
    width: 100%;
    height: 100%;
    position: relative;
    transform-style: preserve-3d;
    animation: slow-spin 40s linear infinite;
}
.sphere-point {
    position: absolute;
    width: 5px;
    height: 5px;
    background: var(--primary-accent);
    border-radius: 50%;
    box-shadow: 0 0 10px var(--glow-color);
}
.sphere-point.secondary {
    background: var(--secondary-accent);
    box-shadow: 0 0 10px var(--secondary-accent);
}

/* --- 4.2 SERVICES --- */
.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}
.service-card {
    background-color: transparent;
    height: 300px;
    perspective: 1000px;
}
.service-card-inner {
    position: relative;
    width: 100%;
    height: 100%;
    transition: transform 0.8s;
    transform-style: preserve-3d;
}
.service-card:hover .service-card-inner {
    transform: rotateY(180deg);
}
.service-card-front, .service-card-back {
    position: absolute;
    width: 100%;
    height: 100%;
    -webkit-backface-visibility: hidden;
    backface-visibility: hidden;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 30px;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    background: linear-gradient(145deg, var(--card-bg), rgba(1, 4, 27, 0.7));
    backdrop-filter: blur(5px);
}
.service-card-back {
    transform: rotateY(180deg);
    justify-content: space-around;
}
.service-icon {
    font-size: 3.5rem;
    color: var(--primary-accent);
    margin-bottom: 20px;
    text-shadow: 0 0 15px var(--glow-color);
}
.service-card-front h3 {
    text-align: center;
}
.card-link {
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
}
.card-link i {
    margin-left: 5px;
    transition: transform 0.3s;
}
.card-link:hover i {
    transform: translateX(5px);
}

/* --- 4.3 OUR APPROACH --- */
.approach-wrapper {
    position: relative;
    padding: 20px 0;
}
.approach-line {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 4px;
    background: var(--border-color);
    border-radius: 2px;
}
.approach-step {
    display: flex;
    align-items: flex-start;
    position: relative;
    padding-left: 120px;
    margin-bottom: 80px;
}
.approach-step:last-child { margin-bottom: 0; }
.step-icon {
    position: absolute;
    left: 0;
    top: 0;
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 3px solid var(--primary-accent);
    box-shadow: 0 0 20px var(--glow-color), inset 0 0 10px var(--glow-color);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: var(--text-light);
    transition: transform 0.3s, box-shadow 0.3s;
}
.approach-step:hover .step-icon {
    transform: scale(1.1);
    box-shadow: 0 0 30px var(--glow-color), inset 0 0 15px var(--glow-color);
}
.step-content h3 { color: var(--primary-accent); margin-bottom: 10px; }

/* --- 4.4 INDUSTRIES --- */
.industries-tabs-wrapper {
    display: flex;
    gap: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 40px;
    backdrop-filter: blur(5px);
}
.industry-tabs-nav {
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex-basis: 250px;
}
.tab-btn {
    width: 100%;
    padding: 15px 20px;
    background: transparent;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    color: var(--text-medium);
    cursor: pointer;
    transition: all 0.3s;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 15px;
    font-size: 1rem;
    font-family: var(--font-family);
}
.tab-btn.active {
    background: var(--primary-accent);
    color: var(--bg-dark);
    border-color: var(--primary-accent);
    box-shadow: 0 0 20px var(--glow-color);
}
.tab-btn:not(.active):hover {
    border-color: var(--primary-accent);
    color: var(--primary-accent);
}
.industry-content-container {
    flex: 1;
}
.industry-content {
    display: none;
    animation: fadeIn 0.5s;
    gap: 30px;
    align-items: center;
}
.industry-content.active {
    display: flex;
}
.industry-content img {
    border-radius: 8px;
    border: 1px solid var(--border-color);
}
.industry-content h3 { margin-bottom: 15px; }


/* --- 4.5 ROI CALCULATOR --- */
#roi-calculator {
    background: transparent; /* It's on a gradient background */
}
.calculator-wrapper {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 40px;
    padding: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
}
.calculator-inputs {
    display: grid;
    grid-template-columns: 1fr;
    gap: 30px;
}
.form-group { display: flex; flex-direction: column; }
.form-group label { margin-bottom: 10px; font-weight: 500; }
.large-input {
    background: rgba(0,0,0,0.3);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    padding: 15px;
    font-size: 1.5rem;
    color: var(--text-light);
    font-family: var(--font-family);
    transition: all 0.3s;
}
.large-input:focus {
    outline: none;
    border-color: var(--primary-accent);
    box-shadow: 0 0 15px var(--glow-color);
}
.calculator-output {
    background: linear-gradient(var(--bg-dark), #03082f);
    padding: 30px;
    border-radius: 10px;
    text-align: center;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.calculator-output h4 {
    color: var(--text-medium);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.9rem;
}
.calculator-output p {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: var(--text-light);
}
.calculator-output p.highlight {
    color: var(--primary-accent);
    text-shadow: 0 0 15px var(--glow-color);
}
.revenue-increase { font-size: 1.1rem; }
.disclaimer { font-size: 0.8rem; margin-top: auto; opacity: 0.7; }

/* --- 4.6 TESTIMONIALS (REVISED & FIXED) --- */
.testimonial-container {
    max-width: 800px;
    margin: auto;
    position: relative;
    overflow: hidden; /* This is crucial for hiding other slides */
    border-radius: 10px;
}

.testimonial-slider {
    display: flex;
    transition: transform 0.5s ease-in-out; /* Smooth slide transition */
}

.testimonial-slide {
    max-width: 100%;
    flex-shrink: 0; /* Prevents slides from shrinking */
    box-sizing: border-box; /* Ensures padding is included in width */
    padding: 20px;
}

.testimonial-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 40px;
    position: relative;
    margin-bottom: 30px;
    min-height: 200px;
    display: flex;
    align-items: center;
}

.testimonial-content::before {
    content: '\f10d';
    font-family: 'Font Awesome 6 Free';
    font-weight: 900;
    position: absolute;
    top: 20px;
    left: 20px;
    font-size: 2rem;
    color: var(--primary-accent);
    opacity: 0.2;
}

.testimonial-content p {
    font-size: 1.15rem; /* Slightly adjusted for better readability */
    font-style: italic;
    line-height: 1.8;
    margin: 0; /* Reset margin */
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: 20px;
    padding-left: 20px;
}

.testimonial-author img {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    border: 3px solid var(--primary-accent);
}

.testimonial-author h4 {
    margin: 0;
}

.testimonial-author span {
    color: var(--text-medium);
}

.slider-controls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0 20px 20px;
}

.slider-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-light);
    width: 50px;
    height: 50px;
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s;
    font-size: 1.1rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.slider-btn:hover {
    background: var(--primary-accent);
    color: var(--bg-dark);
    border-color: var(--primary-accent);
}

.slider-dots {
    display: flex;
    gap: 10px;
}

.slider-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background-color: var(--border-color);
    cursor: pointer;
    transition: background-color 0.3s, transform 0.3s;
}

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

/* --- 4.7 REPORT CTA --- */
#report-cta { padding: 0; }
.report-cta-content {
    display: flex;
    align-items: center;
    gap: 50px;
    background: linear-gradient(90deg, var(--secondary-accent), var(--primary-accent));
    padding: 60px;
    border-radius: 10px;
    color: var(--bg-dark);
}
.report-text h2 { color: var(--bg-dark); font-size: 2.2rem; margin-bottom: 15px; }
.report-text p { color: #01041B; margin-bottom: 30px; }
.report-text .btn { background: var(--bg-dark); color: var(--text-light); border-color: var(--bg-dark); }
.report-text .btn:hover { background: transparent; color: var(--bg-dark); }
.report-visual img { border-radius: 8px; box-shadow: 0 15px 30px rgba(0,0,0,0.2); transform: translateY(-30px) scale(1.1); }

/* ------------------- */
/* 5. FOOTER */
/* ------------------- */
#main-footer {
    background: var(--bg-dark);
    padding: 80px 0 0;
    font-size: 0.9rem;
    border-top: 1px solid var(--border-color);
    position: relative;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.5fr;
    gap: 40px;
    margin-bottom: 50px;
}
.footer-col.about p { margin: 20px 0; max-width: 90%; }
.social-links a {
    display: inline-flex;
    justify-content: center;
    align-items: center;
    width: 40px;
    height: 40px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 50%;
    color: var(--text-light);
    margin-right: 10px;
    transition: all 0.3s;
}
.social-links a:hover {
    background: var(--primary-accent);
    color: var(--bg-dark);
    transform: translateY(-3px);
}
.footer-col h4 { margin-bottom: 20px; color: var(--text-light); font-size: 1.1rem; }
.footer-col.links ul li { margin-bottom: 10px; }
.footer-col.links a { color: var(--text-medium); transition: color 0.3s, padding-left 0.3s; }
.footer-col.links a:hover { color: var(--primary-accent); padding-left: 5px; }
.footer-col.contact p { display: flex; align-items: flex-start; margin-bottom: 15px; }
.footer-col.contact i { margin-right: 15px; color: var(--primary-accent); margin-top: 4px; }
.footer-bottom { text-align: center; padding: 25px 0; border-top: 1px solid var(--border-color); }

/* ------------------- */
/* 6. OTHER PAGES (CONTACT, LEGAL) */
/* ------------------- */
#contact-page, .legal-page { padding-top: calc(var(--header-height) + 60px); }

.contact-content-wrapper { display: grid; grid-template-columns: 1fr 1.5fr; gap: 40px; }
.contact-info-container, .contact-form-container {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: 40px;
}
.contact-info-item { display: flex; align-items: flex-start; margin-bottom: 25px; }
.contact-info-item i { font-size: 1.5rem; color: var(--primary-accent); margin-right: 20px; width: 30px; text-align: center; }
.contact-info-item h4 { margin: 0 0 5px 0; }
.contact-info-item p { margin: 0; color: var(--text-medium); }

#contact-form { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
#contact-form .form-group { display: flex; flex-direction: column; }
#contact-form .form-group.full-width { grid-column: 1 / -1; }
#contact-form label { margin-bottom: 8px; font-weight: 500; }
#contact-form input, #contact-form textarea, #contact-form select {
    width: 100%; padding: 12px; background: rgba(0,0,0,0.3); border: 1px solid var(--border-color); color: var(--text-light);
    border-radius: 5px; font-family: var(--font-family); font-size: 1rem; transition: all 0.3s;
}
#contact-form input:focus, #contact-form textarea:focus, #contact-form select:focus {
    outline: none; border-color: var(--primary-accent); box-shadow: 0 0 15px var(--glow-color);
}
#contact-form button { grid-column: 1 / -1; }
#form-status { grid-column: 1 / -1; text-align: center; margin-top: 10px; }

.legal-content {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 10px;
    padding: clamp(30px, 5vw, 60px);
    max-width: 850px;
    margin: auto;
}
.legal-content h1 { text-align: center; margin-bottom: 40px; }
.legal-content h2 { margin: 40px 0 15px; color: var(--primary-accent); }
.legal-content ul { list-style-type: disc; padding-left: 25px; margin-bottom: 1rem; }
.legal-content ul li { margin-bottom: 10px; }

/* ------------------- */
/* 7. WIDGETS & MODALS */
/* ------------------- */
#particle-canvas { position: fixed; top: 0; left: 0; width: 100%; height: 100%; z-index: -1; }

#preloader {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: var(--bg-dark); z-index: 9999;
    display: flex; align-items: center; justify-content: center; transition: opacity 0.5s, visibility 0.5s;
}
.loader-cube { width: 50px; height: 50px; position: relative; transform-style: preserve-3d; animation: loader-spin 4s infinite linear; }
.loader-cube .face {
    position: absolute; width: 50px; height: 50px; background: var(--primary-accent); opacity: 0.5; border: 1px solid var(--text-light);
}
.face.front { transform: rotateY(0deg) translateZ(25px); } .face.back { transform: rotateY(180deg) translateZ(25px); }
.face.right { transform: rotateY(90deg) translateZ(25px); } .face.left { transform: rotateY(-90deg) translateZ(25px); }
.face.top { transform: rotateX(90deg) translateZ(25px); } .face.bottom { transform: rotateX(-90deg) translateZ(25px); }

#live-chat-widget { position: fixed; bottom: 20px; right: 20px; z-index: 1001; }
.chat-icon {
    width: 60px; height: 60px; background: var(--primary-accent); border-radius: 50%; display: flex; align-items: center; justify-content: center;
    font-size: 1.8rem; color: var(--bg-dark); cursor: pointer; box-shadow: 0 0 20px var(--glow-color); transition: transform 0.3s;
}
.chat-icon:hover { transform: scale(1.1); }
.chat-window {
    position: absolute; bottom: 80px; right: 0; width: 350px; background: var(--bg-dark-translucent); backdrop-filter: blur(10px);
    border-radius: 10px; box-shadow: 0 10px 30px rgba(0,0,0,0.3); border: 1px solid var(--border-color); overflow: hidden;
    transform: scale(0); transform-origin: bottom right; transition: transform 0.3s ease-in-out;
}
.chat-window.open { transform: scale(1); }
.chat-header { background: var(--bg-dark); padding: 15px; display: flex; justify-content: space-between; align-items: center; border-bottom: 1px solid var(--border-color); }
.close-chat { background: none; border: none; color: var(--text-light); font-size: 1.5rem; cursor: pointer; }
.chat-body { padding: 15px; height: 300px; overflow-y: auto; }
.chat-message.bot { background: var(--card-bg); padding: 10px; border-radius: 10px 10px 10px 0; font-size: 0.9rem; max-width: 80%; display: inline-block; }
.chat-footer { display: flex; padding: 10px; border-top: 1px solid var(--border-color); }
.chat-footer input { flex: 1; background: none; border: none; color: var(--text-light); padding: 0 10px; outline: none; }
.chat-footer button { background: none; border: none; color: var(--primary-accent); font-size: 1.2rem; cursor: pointer; }

.modal-overlay {
    position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(1, 4, 27, 0.7); backdrop-filter: blur(5px);
    z-index: 2000; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: opacity 0.3s, visibility 0.3s;
}
.modal-overlay.active { opacity: 1; visibility: visible; }
.modal-content {
    background: var(--bg-dark); border: 1px solid var(--border-color); padding: 40px; border-radius: 10px; width: 90%; max-width: 500px; position: relative;
    transform: scale(0.9); transition: transform 0.3s; box-shadow: 0 0 30px rgba(0,0,0,0.5);
}
.modal-overlay.active .modal-content { transform: scale(1); }
.close-modal { position: absolute; top: 15px; right: 15px; background: none; border: none; font-size: 1.8rem; color: var(--text-light); cursor: pointer; }
.modal-content h3 { margin-bottom: 15px; } .modal-content p { margin-bottom: 20px; }
#report-form input { width: 100%; padding: 12px; margin-bottom: 15px; background: rgba(0,0,0,0.3); border: 1px solid var(--border-color); color: var(--text-light); border-radius: 5px; }
.form-success-message { display: none; color: var(--primary-accent); text-align: center; margin-top: 15px; }

/* ------------------- */
/* 8. ANIMATIONS & KEYFRAMES */
/* ------------------- */
.animate-on-load { opacity: 0; transform: translateY(30px); animation: fade-in-up 0.8s forwards; }
.hero-content h1.animate-on-load { animation-delay: 0.5s; }
.hero-content p.animate-on-load { animation-delay: 0.7s; }
.hero-buttons.animate-on-load { animation-delay: 0.9s; }
.hero-3d-visual.animate-on-load { animation-delay: 1.1s; }

.reveal-on-scroll { opacity: 0; transform: translateY(50px); transition: opacity 0.8s ease-out, transform 0.8s ease-out; }
.reveal-on-scroll.revealed { opacity: 1; transform: translateY(0); }

@keyframes fade-in-up { to { opacity: 1; transform: translateY(0); } }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
@keyframes slow-spin { from { transform: rotateY(0) rotateX(10deg); } to { transform: rotateY(360deg) rotateX(10deg); } }
@keyframes loader-spin { from { transform: rotateX(0) rotateY(0); } to { transform: rotateX(360deg) rotateY(360deg); } }


/* ------------------- */
/* 9. RESPONSIVENESS */
/* ------------------- */
@media (max-width: 1024px) {
    h1 { font-size: 3rem; } .hero-content h1 { font-size: 3.5rem; }
    h2 { font-size: 2.5rem; }
    
    #hero .container { flex-direction: column; text-align: center; }
    .hero-content { max-width: 100%; margin-bottom: 50px; }
    .hero-content p { margin-left: auto; margin-right: auto; }
    .hero-3d-visual { width: 100%; height: 400px; }

    .industries-tabs-wrapper { flex-direction: column; }
    .industry-tabs-nav { flex-direction: row; flex-wrap: wrap; flex-basis: auto; }
    .tab-btn { flex: 1 1 200px; }
    
    .calculator-wrapper { grid-template-columns: 1fr; }
    
    .footer-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 768px) {
    body { font-size: 15px; }
    h1 { font-size: 2.5rem; } .hero-content h1 { font-size: 2.8rem; }
    h2 { font-size: 2rem; }
    .section-padding { padding: 80px 0; }
    
    #main-header .nav-links, #main-header .nav-cta { display: none; }
    #hamburger-btn { display: flex; }
    #mobile-menu { display: block; }
    
    .approach-line { left: 20px; }
    .approach-step { padding-left: 70px; }
    .step-icon { width: 44px; height: 44px; font-size: 1.2rem; border-width: 2px; left: 0; }

    .industry-content.active { flex-direction: column; text-align: center; }
    .report-cta-content { flex-direction: column; text-align: center; }
    .report-visual img { transform: translateY(0) scale(1); margin-top: 30px; }

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

    .footer-grid { grid-template-columns: 1fr; text-align: center; }
    .footer-col.about p, .footer-col.contact p { justify-content: center; max-width: 100%; }
    .social-links { margin-bottom: 30px; }
}

@media (max-width: 480px) {
    .hero-content h1 { font-size: 2.2rem; }
    .hero-content p { font-size: 1rem; }
    .hero-buttons { display: flex; flex-direction: column; gap: 15px; align-items: center; }
    .hero-buttons .btn { width: 100%; max-width: 300px; margin: 0; }
    
    .services-grid { grid-template-columns: 1fr; }
    .service-card { height: 250px; }
    
    .testimonial-content p { font-size: 1rem; }
}