/* DroneCleanUS - Main Stylesheet */

/* ========== CSS Variables ========== */
:root {
    --color-primary: #40B5DC;
    --color-primary-dark: #2C8BB7;
    --color-dark: #1d1e20;
    --color-black: #000000;
    --color-white: #ffffff;
    --color-gray: #666666;
    --color-gray-light: #f5f5f5;
    --color-gray-border: #dadce0;

    --font-heading: 'Bebas Neue', sans-serif;
    --font-body: 'Roboto', sans-serif;

    --transition: all 0.3s ease;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.1);
    --shadow-hover: 0 10px 40px rgba(0, 0, 0, 0.15);

    --container-max: 1240px;
    --header-height: 80px;
}

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

html {
    scroll-behavior: auto;
    overflow-anchor: none;
}

body {
    overflow-x: hidden;
    font-family: var(--font-body);
    font-size: 16px;
    line-height: 1.6;
    color: var(--color-dark);
    background: var(--color-white);
}

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

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

ul, ol {
    list-style: none;
}

/* ========== Container ========== */
.container {
    width: 100%;
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 20px;
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 14px 28px;
    font-family: var(--font-body);
    font-size: 16px;
    font-weight: 700;
    border-radius: 15px;
    border: 2px solid transparent;
    cursor: pointer;
    transition: var(--transition);
    text-align: center;
}

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

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

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

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

.btn-secondary {
    background: var(--color-gray-light);
    color: var(--color-dark);
    border-color: transparent;
    font-weight: 500;
}

.btn-secondary:hover {
    background: #e8e8e8;
}

.btn-submit {
    background: var(--color-black);
    color: var(--color-white);
    border-color: var(--color-white);
    width: 100%;
    padding: 16px;
    font-size: 18px;
}

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

.btn-large {
    padding: 18px 36px;
    font-size: 18px;
}

/* ========== Header ========== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    transition: var(--transition);
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: var(--header-height);
}

.logo img {
    height: 60px;
    width: auto;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav-link {
    font-family: var(--font-heading);
    font-size: 18px;
    color: var(--color-white);
    letter-spacing: 1px;
}

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

.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 6px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 10px;
}

.mobile-menu-btn span {
    width: 28px;
    height: 2px;
    background: var(--color-white);
    transition: var(--transition);
}

/* ========== Hero Section ========== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding: 120px 0 80px;
}

.hero-background {
    position: absolute;
    inset: 0;
    z-index: -1;
}

.hero-background img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.hero-overlay {
    display: none;
}

/* ========== Benefits Section ========== */
.benefits {
    padding: 100px 0;
    background: linear-gradient(180deg, #0a0a0a 0%, #1a1a2e 100%);
}

.benefits .section-title {
    color: var(--color-white);
    margin-bottom: 16px;
}

.benefits-subtitle {
    text-align: center;
    color: rgba(255, 255, 255, 0.7);
    font-size: 18px;
    max-width: 600px;
    margin: 0 auto 60px;
}

.benefits-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 24px;
}

.benefit-card {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.08) 0%, rgba(255, 255, 255, 0.02) 100%);
    padding: 40px 24px;
    border-radius: 20px;
    text-align: center;
    border: 1px solid rgba(255, 255, 255, 0.1);
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}

.benefit-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--color-primary), var(--color-primary-dark));
    opacity: 0;
    transition: var(--transition);
}

.benefit-card:hover {
    background: linear-gradient(145deg, rgba(255, 255, 255, 0.12) 0%, rgba(255, 255, 255, 0.04) 100%);
    transform: translateY(-8px);
    border-color: rgba(64, 181, 220, 0.3);
}

.benefit-card:hover::before {
    opacity: 1;
}

.benefit-icon {
    width: 70px;
    height: 70px;
    margin: 0 auto 24px;
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.benefit-icon svg {
    width: 32px;
    height: 32px;
    stroke: var(--color-white);
}

.benefit-card h3 {
    font-family: var(--font-heading);
    font-size: 24px;
    color: var(--color-white);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.benefit-card p {
    color: rgba(255, 255, 255, 0.7);
    font-size: 15px;
    line-height: 1.6;
}

@media (max-width: 1200px) {
    .benefits-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .benefits {
        padding: 70px 0;
    }

    .benefits-subtitle {
        font-size: 16px;
        margin-bottom: 40px;
    }

    .benefits-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }

    .benefit-card {
        padding: 30px 20px;
    }

    .benefit-icon {
        width: 60px;
        height: 60px;
    }

    .benefit-icon svg {
        width: 26px;
        height: 26px;
    }

    .benefit-card h3 {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .benefits-grid {
        grid-template-columns: 1fr;
    }
}

.hero-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.hero-text {
    color: var(--color-white);
}

.hero-text h1 {
    font-family: var(--font-heading);
    font-size: 72px;
    line-height: 1.1;
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.hero-tagline {
    font-family: var(--font-heading);
    font-size: 24px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.hero-description {
    font-size: 18px;
    line-height: 1.7;
    margin-bottom: 32px;
    opacity: 0.95;
}

.hero-buttons {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

/* ========== Quote Form ========== */
.hero-form {
    background: var(--color-primary);
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

.hero-form h2 {
    font-family: var(--font-heading);
    font-size: 36px;
    color: var(--color-dark);
    margin-bottom: 24px;
    text-align: center;
}

.quote-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.form-group label {
    font-weight: 500;
    color: var(--color-dark);
    font-size: 14px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"] {
    padding: 14px 16px;
    border: 2px solid var(--color-dark);
    border-radius: 13px;
    font-size: 16px;
    background: var(--color-gray-light);
    transition: var(--transition);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary-dark);
    background: var(--color-white);
}

.checkbox-group {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    cursor: pointer;
}

.checkbox-label input {
    width: 18px;
    height: 18px;
    accent-color: var(--color-dark);
}

/* ========== Video Section ========== */
.video-section {
    padding: 60px 0;
    background: var(--color-primary);
}

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

.video-container {
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    cursor: pointer;
    box-shadow: var(--shadow-hover);
}

.video-thumbnail {
    width: 100%;
    aspect-ratio: 16/9;
    object-fit: cover;
}

.play-button {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 80px;
    height: 80px;
    background: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    box-shadow: var(--shadow);
}

.play-button svg {
    width: 32px;
    height: 32px;
    margin-left: 4px;
}

.play-button:hover {
    transform: translate(-50%, -50%) scale(1.1);
}

.local-video {
    width: 100%;
    max-width: 800px;
    border-radius: 20px;
    box-shadow: var(--shadow-hover);
}

/* ========== Services Section ========== */
.services {
    padding: 100px 0;
    background: linear-gradient(180deg, var(--color-primary) 0%, #57B4D6 100%);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 48px;
    text-align: center;
    color: var(--color-dark);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.section-subtitle {
    text-align: center;
    font-size: 18px;
    color: var(--color-dark);
    max-width: 700px;
    margin: 0 auto 60px;
    opacity: 0.9;
}

.carousel-container {
    position: relative;
    overflow: hidden;
    padding: 20px 0;
}

.carousel-btn {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    width: 50px;
    height: 50px;
    background: var(--color-white);
    border: none;
    border-radius: 50%;
    cursor: pointer;
    z-index: 10;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

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

.carousel-btn svg {
    width: 28px;
    height: 28px;
}

.carousel-prev {
    left: 10px;
}

.carousel-next {
    right: 10px;
}

.carousel-track {
    display: flex;
    gap: 30px;
    overflow-x: auto;
    padding: 20px 10px;
    scrollbar-width: none;
}

.carousel-track::-webkit-scrollbar {
    display: none;
}

.service-card {
    flex: 0 0 350px;
    background: var(--color-white);
    border-radius: 20px;
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
}

.service-card:hover {
    box-shadow: var(--shadow-hover);
    transform: translateY(-5px);
}

.service-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
}

.service-content {
    padding: 30px;
}

.service-header {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 16px;
}

.service-icon {
    width: 50px;
    height: 50px;
    background: #FFE8D6;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
}

.service-title {
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--color-dark);
    letter-spacing: 1px;
}

.service-description {
    color: var(--color-gray);
    line-height: 1.7;
    margin-bottom: 20px;
    font-size: 15px;
}

.carousel-dots {
    display: flex;
    justify-content: center;
    gap: 10px;
    margin-top: 30px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.5);
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.dot.active {
    background: var(--color-white);
    width: 30px;
    border-radius: 6px;
}

/* ========== Coverage Section ========== */
.coverage {
    padding: 100px 0;
    background: linear-gradient(180deg, #000000 0%, var(--color-primary) 100%);
}

.coverage .section-title,
.coverage .section-subtitle {
    color: var(--color-white);
}

.coverage-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 60px;
}

.coverage-card {
    background: rgba(255, 255, 255, 0.1);
    padding: 40px 30px;
    border-radius: 20px;
    text-align: center;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.coverage-card:hover {
    background: rgba(255, 255, 255, 0.15);
    transform: translateY(-5px);
}

.coverage-icon {
    font-size: 48px;
    margin-bottom: 16px;
}

.coverage-card h3 {
    font-family: var(--font-heading);
    font-size: 28px;
    color: var(--color-white);
    margin-bottom: 12px;
    letter-spacing: 1px;
}

.coverage-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    line-height: 1.6;
}

/* ========== CTA Section ========== */
.cta {
    padding: 100px 0;
    background: var(--color-primary);
    text-align: center;
}

.cta h2 {
    font-family: var(--font-heading);
    font-size: 48px;
    color: var(--color-dark);
    margin-bottom: 16px;
    letter-spacing: 2px;
}

.cta p {
    font-size: 20px;
    color: var(--color-dark);
    margin-bottom: 40px;
    opacity: 0.9;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========== Footer ========== */
.footer {
    background: var(--color-black);
    color: var(--color-white);
    padding: 80px 0 30px;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 60px;
    margin-bottom: 60px;
}

.footer-logo {
    height: 80px;
    width: auto;
    margin-bottom: 20px;
}

.footer-brand p {
    color: rgba(255, 255, 255, 0.7);
    line-height: 1.7;
}

.footer-links h4,
.footer-services h4,
.footer-contact h4 {
    font-family: var(--font-heading);
    font-size: 24px;
    margin-bottom: 20px;
    letter-spacing: 1px;
}

.footer-links a,
.footer-services a {
    display: block;
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.footer-links a:hover,
.footer-services a:hover {
    color: var(--color-primary);
}

.footer-contact p {
    color: rgba(255, 255, 255, 0.7);
    margin-bottom: 12px;
}

.footer-contact a {
    color: var(--color-primary);
}

.footer-contact a:hover {
    text-decoration: underline;
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 30px;
    text-align: center;
    color: rgba(255, 255, 255, 0.5);
    font-size: 14px;
}

/* ========== Call Button ========== */
.call-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: var(--color-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 100;
    transition: var(--transition);
}

.call-btn svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
}

.call-btn:hover {
    transform: scale(1.1);
    background: var(--color-primary-dark);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

/* ========== Responsive Design ========== */
@media (max-width: 1200px) {
    .hero-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }

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

    .hero-text h1 {
        font-size: 56px;
    }

    .hero-buttons {
        justify-content: center;
    }

    .coverage-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

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

    .nav {
        position: fixed;
        top: var(--header-height);
        left: 0;
        width: 100%;
        background: rgba(0, 0, 0, 0.95);
        flex-direction: column;
        padding: 30px;
        gap: 20px;
        transform: translateY(-100%);
        opacity: 0;
        visibility: hidden;
        transition: var(--transition);
    }

    .nav.active {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }

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

    .header-actions .btn {
        display: none;
    }

    .hero {
        padding: 100px 0 60px;
    }

    .hero-text h1 {
        font-size: 42px;
    }

    .hero-tagline {
        font-size: 20px;
    }

    .hero-description {
        font-size: 16px;
    }

    .hero-form {
        padding: 30px 20px;
    }

    .hero-form h2 {
        font-size: 28px;
    }

    .section-title {
        font-size: 36px;
    }

    .services {
        padding: 60px 0;
    }

    .service-card {
        flex: 0 0 300px;
    }

    .coverage {
        padding: 60px 0;
    }

    .coverage-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .coverage-card {
        padding: 30px 20px;
    }

    .cta {
        padding: 60px 0;
    }

    .cta h2 {
        font-size: 36px;
    }

    .footer {
        padding: 60px 0 30px;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 40px;
        text-align: center;
    }

    .footer-logo {
        margin: 0 auto 20px;
    }
}

@media (max-width: 480px) {
    .hero-text h1 {
        font-size: 32px;
    }

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

    .btn {
        width: 100%;
    }

    .service-card {
        flex: 0 0 280px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .cta-buttons .btn {
        width: 100%;
        max-width: 300px;
    }
}