/*
================================================
Project S.H.I.E.L.D. Stylesheet
================================================
TABLE OF CONTENTS
------------------------------------------------
1.  Variables & Global Resets
2.  Typography & Base Styles
3.  Utility Classes
4.  Header & Navigation
5.  Mobile Navigation
6.  Footer
7.  Buttons & Forms
8.  Hero Section
9.  Services Section (Divisions)
10. About Section (Intel)
11. Calculator Section
12. Testimonials Section (Field Reports)
13. CTA Section
14. Subpage & Legal Content Styles
15. Interactive Elements (Popup, Chat)
16. Animations & Keyframes
17. Responsive Design (Media Queries)
================================================
*/

/* 1. Variables & Global Resets
------------------------------------------------ */
:root {
    --color-primary: #1565C0;
    /* Steel Blue */
    --color-primary-dark: #0D47A1;
    --color-secondary: #B0BEC5;
    /* Silver */
    --color-dark: #212121;
    /* Jet */
    --color-dark-lighten: #333;
    --color-light: #F5F5F5;
    --color-white: #FFFFFF;
    --color-success: #4CAF50;
    --font-primary: 'Poppins', sans-serif;
    --font-secondary: 'Roboto Mono', monospace;
    --header-height: 80px;
    --border-radius: 5px;
    --transition-speed: 0.3s;
}

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

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

body {
    font-family: var(--font-primary);
    background-color: var(--color-dark);
    color: var(--color-secondary);
    line-height: 1.7;
    overflow-x: hidden;
}

/* 2. Typography & Base Styles
------------------------------------------------ */
h1,
h2,
h3,
h4 {
    font-family: var(--font-primary);
    color: var(--color-light);
    font-weight: 700;
    line-height: 1.2;
}

h1 {
    font-size: 3.5rem;
}

h2 {
    font-size: 2.5rem;
}

h3 {
    font-size: 1.5rem;
}

h4 {
    font-size: 1.2rem;
}

p {
    margin-bottom: 1rem;
}

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

a:hover {
    color: var(--color-light);
}

ul {
    list-style: none;
}

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

.container {
    width: 90%;
    max-width: 1200px;
    margin: 0 auto;
}

section {
    padding: 80px 0;
    position: relative;
    overflow: hidden;
}

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

.section-title {
    margin-bottom: 15px;
    position: relative;
    display: inline-block;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 4px;
    background-color: var(--color-primary);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto;
    color: var(--color-secondary);
}

/* 3. Utility Classes
------------------------------------------------ */
.highlight {
    color: var(--color-primary);
    font-family: var(--font-secondary);
}

.optional {
    color: var(--color-secondary);
    font-size: 0.9em;
    font-weight: 300;
}

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

/* 4. Header & Navigation
------------------------------------------------ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    height: var(--header-height);
    background-color: rgba(33, 33, 33, 0.8);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(176, 190, 197, 0.2);
    transition: all var(--transition-speed) ease;
}

.header.scrolled {
    background-color: rgba(33, 33, 33, 0.95);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
}

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

.logo-link {
    display: flex;
    align-items: center;
    color: var(--color-light);
    font-size: 1.5rem;
    font-weight: 700;
}

.logo {
    height: 40px;
    margin-right: 10px;
}

.nav-list {
    display: flex;
    gap: 30px;
}

.nav-link {
    color: var(--color-secondary);
    font-weight: 500;
    position: relative;
    padding: 5px 0;
    transition: color var(--transition-speed) ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 2px;
    background-color: var(--color-primary);
    transform: scaleX(0);
    transform-origin: right;
    transition: transform var(--transition-speed) ease;
}

.nav-link:hover,
.nav-link.active {
    color: var(--color-white);
}

.nav-link:hover::after,
.nav-link.active::after {
    transform: scaleX(1);
    transform-origin: left;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 20px;
}

.mobile-toggle {
    display: none;
    background: transparent;
    border: none;
    cursor: pointer;
    z-index: 1001;
    padding: 10px;
}

.bar {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--color-light);
    margin: 5px 0;
    transition: all var(--transition-speed) ease;
    border-radius: 2px;
}

/* 5. Mobile Navigation
------------------------------------------------ */
.mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 100%;
    height: 100vh;
    background-color: rgba(33, 33, 33, 0.98);
    backdrop-filter: blur(10px);
    z-index: 999;
    display: flex;
    justify-content: center;
    align-items: center;
    transition: right 0.5s cubic-bezier(0.77, 0, 0.175, 1);
}

.mobile-nav.open {
    right: 0;
}

.mobile-nav nav ul {
    text-align: center;
}

.mobile-nav nav li {
    margin: 30px 0;
}

.mobile-nav nav a {
    font-size: 1.8rem;
    color: var(--color-light);
    font-weight: 600;
}

.mobile-toggle.active .bar-top {
    transform: rotate(-45deg) translate(-5px, 6px);
}

.mobile-toggle.active .bar-middle {
    opacity: 0;
}

.mobile-toggle.active .bar-bottom {
    transform: rotate(45deg) translate(-5px, -6px);
}

/* 6. Footer
------------------------------------------------ */
.footer {
    background-color: var(--color-dark-lighten);
    padding-top: 80px;
    position: relative;
    border-top: 1px solid rgba(176, 190, 197, 0.2);
}

.footer-shapes {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    overflow: hidden;
    pointer-events: none;
}

.footer-shape {
    position: absolute;
    background-color: var(--color-primary);
    opacity: 0.05;
    border-radius: 50%;
}

.footer-shape.shape-1 {
    width: 300px;
    height: 300px;
    bottom: -150px;
    left: -100px;
}

.footer-shape.shape-2 {
    width: 200px;
    height: 200px;
    top: -100px;
    right: -50px;
}

.footer-top {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 40px;
    margin-bottom: 40px;
}

.footer-col-title {
    color: var(--color-white);
    margin-bottom: 20px;
    font-size: 1.2rem;
    position: relative;
}

.footer-col-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: -5px;
    width: 30px;
    height: 2px;
    background-color: var(--color-primary);
}

.footer-logo-link {
    font-size: 1.8rem;
    margin-bottom: 15px;
}

.footer-logo {
    height: 50px;
}

.footer-about-text {
    font-size: 0.9rem;
    margin-bottom: 20px;
}

.social-links {
    display: flex;
    gap: 15px;
}

.social-link {
    width: 40px;
    height: 40px;
    display: grid;
    place-items: center;
    background-color: rgba(176, 190, 197, 0.1);
    color: var(--color-secondary);
    border-radius: 50%;
    transition: all var(--transition-speed) ease;
}

.social-link:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: translateY(-3px);
}

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

.footer-links ul a {
    color: var(--color-secondary);
    transition: all var(--transition-speed) ease;
}

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

.contact-info li {
    display: flex;
    align-items: flex-start;
    gap: 15px;
    margin-bottom: 15px;
    color: var(--color-secondary);
}

.contact-info li i {
    color: var(--color-primary);
    margin-top: 5px;
}

.footer-bottom {
    border-top: 1px solid rgba(176, 190, 197, 0.1);
    padding: 20px 0;
    text-align: center;
    font-size: 0.9rem;
    color: var(--color-secondary);
}

/* 7. Buttons & Forms
------------------------------------------------ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 12px 30px;
    border-radius: var(--border-radius);
    font-weight: 600;
    border: 2px solid transparent;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    text-transform: uppercase;
    font-size: 0.9rem;
}

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

.btn-primary:hover {
    background-color: var(--color-primary-dark);
    border-color: var(--color-primary-dark);
    color: var(--color-white);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(21, 101, 192, 0.4);
}

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

.btn-secondary:hover {
    background-color: var(--color-secondary);
    color: var(--color-dark);
}

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

.form-group {
    display: flex;
    flex-direction: column;
}

.form-group label {
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--color-light);
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 12px 15px;
    background-color: rgba(0, 0, 0, 0.2);
    border: 1px solid rgba(176, 190, 197, 0.3);
    border-radius: var(--border-radius);
    color: var(--color-light);
    font-family: var(--font-primary);
    transition: all var(--transition-speed) ease;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-secondary);
    opacity: 0.7;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(21, 101, 192, 0.3);
}

.form-group select {
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16'%3e%3cpath fill='none' stroke='%23B0BEC5' stroke-linecap='round' stroke-linejoin='round' stroke-width='2' d='M2 5l6 6 6-6'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    background-size: 1em;
}

.form-group select option {
    background-color: var(--color-dark-lighten);
    color: var(--color-light);
}

textarea {
    resize: vertical;
}

/* 8. Hero Section
------------------------------------------------ */
.hero {
    height: 100vh;
    min-height: 700px;
    display: flex;
    align-items: center;
    text-align: center;
    position: relative;
    padding-top: var(--header-height);
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://i.imgur.com/uG9t6aE.jpg') no-repeat center center/cover;
    opacity: 0.2;
    z-index: -2;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(ellipse at center, rgba(33, 33, 33, 0.5) 0%, var(--color-dark) 70%);
    z-index: -1;
}

.hero-scan-line {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: linear-gradient(90deg, transparent, rgba(21, 101, 192, 0.7), transparent);
    animation: scan 8s linear infinite;
    opacity: 0.7;
}

.hero-content h1 {
    font-size: 4.5rem;
    margin-bottom: 20px;
    text-shadow: 0 0 20px rgba(21, 101, 192, 0.5);
}

.hero-content p {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto 30px;
}

.hero-actions {
    display: flex;
    justify-content: center;
    gap: 20px;
    flex-wrap: wrap;
}

/* 9. Services Section (Divisions)
------------------------------------------------ */
.services-section {
    background-color: var(--color-dark-lighten);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.service-card {
    background-color: var(--color-dark);
    border: 1px solid rgba(176, 190, 197, 0.2);
    border-radius: var(--border-radius);
    text-align: center;
    perspective: 1000px;
    min-height: 350px;
}

.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;
    justify-content: center;
    align-items: center;
    padding: 30px;
}

.service-card-front {
    background-color: var(--color-dark);
    border-radius: var(--border-radius);
}

.service-card-back {
    background-color: var(--color-primary);
    color: var(--color-white);
    transform: rotateY(180deg);
    border-radius: var(--border-radius);
    text-align: left;
}

.service-icon {
    font-size: 3rem;
    color: var(--color-primary);
    margin-bottom: 20px;
    transition: transform var(--transition-speed) ease;
}

.service-card:hover .service-icon {
    transform: scale(1.1);
}

.service-card-front h3 {
    margin-bottom: 10px;
    color: var(--color-light);
}

.service-card-front p {
    color: var(--color-secondary);
    font-size: 0.9rem;
}

.service-card-back h4 {
    color: var(--color-white);
    margin-bottom: 15px;
    font-size: 1.3rem;
    width: 100%;
}

.service-card-back p {
    font-size: 0.9rem;
    color: var(--color-light);
    margin-bottom: 15px;
}

.service-card-back ul {
    width: 100%;
    list-style-type: none;
}

.service-card-back li {
    font-size: 0.9rem;
    color: var(--color-light);
    margin-bottom: 8px;
    position: relative;
    padding-left: 20px;
}

.service-card-back li::before {
    content: '\f00c';
    font-family: 'Font Awesome 5 Free';
    font-weight: 900;
    position: absolute;
    left: 0;
    top: 2px;
}

/* 10. About Section (Intel)
------------------------------------------------ */
.about-container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 60px;
    align-items: center;
}

.about-image-wrapper {
    position: relative;
}

.about-image {
    border-radius: var(--border-radius);
    overflow: hidden;
    position: relative;
    padding-top: 100%;
    /* Aspect ratio 1:1 */
    background: url('https://i.imgur.com/kSsqmI1.jpg') no-repeat center center/cover;
}

.about-image-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(21, 101, 192, 0.3);
}

.about-image-wrapper::before {
    content: '';
    position: absolute;
    top: -20px;
    left: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--color-primary);
    border-radius: var(--border-radius);
    z-index: -1;
    transition: all var(--transition-speed) ease;
}

.about-image-wrapper:hover::before {
    transform: translate(10px, 10px);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin: 30px 0;
}

.stat-item {
    text-align: center;
    background-color: rgba(176, 190, 197, 0.1);
    padding: 20px;
    border-radius: var(--border-radius);
}

.stat-number {
    font-family: var(--font-secondary);
    font-size: 2.5rem;
    color: var(--color-primary);
}

.stat-label {
    font-size: 0.9rem;
    margin: 0;
    color: var(--color-secondary);
}

/* 11. Calculator Section
------------------------------------------------ */
.calculator-section {
    background-color: var(--color-dark-lighten);
}

.calculator-wrapper {
    background-color: var(--color-dark);
    padding: 40px;
    border: 1px solid rgba(176, 190, 197, 0.2);
    border-radius: var(--border-radius);
    max-width: 900px;
    margin: 0 auto;
}

.calc-step {
    display: none;
    text-align: center;
}

.calc-step.active {
    display: block;
    animation: fadeIn 0.5s ease;
}

.calc-step h4 {
    margin-bottom: 30px;
}

.calc-options {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
    margin-bottom: 30px;
}

.calc-option {
    background: transparent;
    border: 1px solid var(--color-secondary);
    color: var(--color-secondary);
    padding: 12px 25px;
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-speed) ease;
    font-weight: 500;
}

.calc-option:hover {
    background-color: var(--color-primary);
    border-color: var(--color-primary);
    color: var(--color-white);
}

.calc-back {
    background: none;
    border: none;
    color: var(--color-secondary);
    cursor: pointer;
    font-size: 0.9rem;
}

.calc-back i {
    margin-right: 5px;
}

.calc-back:hover {
    color: var(--color-white);
}

/* 12. Testimonials Section (Field Reports)
------------------------------------------------ */
.testimonials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 30px;
}

.testimonial-card {
    background-color: var(--color-dark-lighten);
    border: 1px solid rgba(176, 190, 197, 0.1);
    padding: 30px;
    border-radius: var(--border-radius);
    display: flex;
    flex-direction: column;
}

.testimonial-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 20px;
}

.testimonial-header i {
    font-size: 2rem;
    color: var(--color-primary);
}

.testimonial-author h4 {
    margin: 0;
    color: var(--color-light);
}

.testimonial-author span {
    font-size: 0.9rem;
    color: var(--color-secondary);
}

.testimonial-text {
    font-style: italic;
    flex-grow: 1;
    color: var(--color-light);
    border-left: 3px solid var(--color-primary);
    padding-left: 20px;
}

.testimonial-rating {
    margin-top: 20px;
    color: #FFC107;
}

/* 13. CTA Section
------------------------------------------------ */
.cta-section {
    padding: 100px 0;
    text-align: center;
    position: relative;
    background-color: var(--color-dark);
}

.cta-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('https://www.transparenttextures.com/patterns/tactile-noise.png');
    opacity: 0.1;
}

.cta-content h2 {
    font-size: 2.8rem;
    margin-bottom: 15px;
}

.cta-content p {
    max-width: 600px;
    margin: 0 auto 30px;
    font-size: 1.1rem;
}

/* 14. Subpage & Legal Content Styles
------------------------------------------------ */
body.subpage {
    padding-top: var(--header-height);
}

.page-header {
    padding: 60px 0;
    background-color: var(--color-dark-lighten);
    text-align: center;
}

.page-header h1 {
    font-size: 3rem;
    margin-bottom: 15px;
}

.page-subtitle {
    font-size: 1.1rem;
    max-width: 700px;
    margin: 0 auto 20px;
}

.breadcrumbs {
    font-size: 0.9rem;
}

.breadcrumbs a {
    color: var(--color-secondary);
}

.breadcrumbs span {
    color: var(--color-light);
}

.breadcrumbs i {
    font-size: 0.7rem;
    margin: 0 10px;
}

.page-content {
    padding: 80px 0;
}

.content-wrapper {
    max-width: 800px;
    margin: 0 auto;
}

.legal-content h2 {
    color: var(--color-primary);
    margin-top: 40px;
    margin-bottom: 20px;
    border-bottom: 1px solid rgba(176, 190, 197, 0.2);
    padding-bottom: 10px;
}

.legal-content p {
    color: var(--color-secondary);
}

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

.legal-content li {
    margin-bottom: 10px;
}

.contact-section {
    padding-bottom: 80px;
}

.contact-wrapper {
    display: grid;
    grid-template-columns: 1fr 1.5fr;
    gap: 50px;
    background-color: var(--color-dark-lighten);
    padding: 50px;
    border-radius: var(--border-radius);
    border: 1px solid rgba(176, 190, 197, 0.2);
}

.contact-info-panel h2 {
    margin-bottom: 20px;
}

.contact-methods {
    margin-top: 30px;
}

.contact-method {
    display: flex;
    align-items: center;
    gap: 20px;
    margin-bottom: 30px;
}

.method-icon {
    width: 60px;
    height: 60px;
    background-color: rgba(21, 101, 192, 0.1);
    border: 1px solid var(--color-primary);
    border-radius: 50%;
    display: grid;
    place-items: center;
    font-size: 1.5rem;
    color: var(--color-primary);
}

.method-details h3 {
    margin: 0;
}

.method-details p {
    margin: 0;
    color: var(--color-secondary);
}

/* 15. Interactive Elements (Popup, Chat)
------------------------------------------------ */
.popup {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 2000;
    display: flex;
    justify-content: center;
    align-items: center;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-speed) ease;
}

.popup:target {
    opacity: 1;
    visibility: visible;
}

.popup-content {
    background-color: var(--color-dark-lighten);
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    position: relative;
    max-width: 500px;
    width: 90%;
    transform: scale(0.9);
    transition: transform var(--transition-speed) ease;
}

.popup:target .popup-content {
    transform: scale(1);
}

.popup-close {
    position: absolute;
    top: 15px;
    right: 15px;
    font-size: 2rem;
    color: var(--color-secondary);
}

.popup-icon {
    font-size: 4rem;
    color: var(--color-success);
    margin-bottom: 20px;
}

.popup h3 {
    margin-bottom: 15px;
}

.live-chat-widget {
    position: fixed;
    bottom: 20px;
    right: 20px;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: 10px 20px;
    border-radius: 50px;
    display: flex;
    align-items: center;
    gap: 10px;
    cursor: pointer;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    z-index: 900;
}

/* 16. Animations & Keyframes
------------------------------------------------ */
.animate-on-scroll {
    opacity: 0;
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.animate-on-scroll.fade-in {
    opacity: 0;
}

.animate-on-scroll.fade-in.is-visible {
    opacity: 1;
}

.animate-on-scroll.fade-in-down {
    transform: translateY(-50px);
}

.animate-on-scroll.fade-in-up {
    transform: translateY(50px);
}

.animate-on-scroll.fade-in-left {
    transform: translateX(-50px);
}

.animate-on-scroll.fade-in-right {
    transform: translateX(50px);
}

.animate-on-scroll.zoom-in {
    transform: scale(0.9);
}

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

@keyframes scan {
    0% {
        transform: translateY(-10%);
    }

    100% {
        transform: translateY(100vh);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }

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

/* 17. Responsive Design (Media Queries)
------------------------------------------------ */
@media (max-width: 1024px) {
    h1 {
        font-size: 3rem;
    }

    h2 {
        font-size: 2.2rem;
    }

    .hero-content h1 {
        font-size: 3.5rem;
    }

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

    .about-image-wrapper {
        max-width: 400px;
        margin: 0 auto;
    }

    .about-content {
        margin-top: 40px;
    }

    .stats-grid {
        max-width: 500px;
        margin: 30px auto;
    }

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

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

    h1 {
        font-size: 2.5rem;
    }

    h2 {
        font-size: 2rem;
    }

    .hero-content h1 {
        font-size: 2.8rem;
    }

    .hero-content p {
        font-size: 1.1rem;
    }

    .hero {
        min-height: 600px;
    }

    section {
        padding: 60px 0;
    }

    .nav {
        display: none;
    }

    .mobile-toggle {
        display: block;
    }

    .header-cta span {
        display: none;
    }

    .header-cta i {
        margin: 0;
    }

    .btn {
        padding: 10px 20px;
        font-size: 0.8rem;
    }

    .hero-actions {
        flex-direction: column;
    }

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

    .footer-col-title::after {
        left: 50%;
        transform: translateX(-50%);
    }

    .social-links {
        justify-content: center;
    }

    .contact-info li {
        justify-content: center;
    }

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

    .contact-wrapper {
        padding: 30px;
    }
}

@media (max-width: 480px) {
    .container {
        width: 95%;
    }

    .hero-content h1 {
        font-size: 2.2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

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

    .calculator-wrapper {
        padding: 20px;
    }

    .calc-options {
        flex-direction: column;
    }
}