/* ===================================
   Build Space Innovations - Stylesheet
   =================================== */

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

:root {
    --primary: #4A9B3A;
    --primary-light: #5BAF48;
    --primary-hover: #6BC04E;
    --dark: #1a1a1a;
    --charcoal: #32373c;
    --gray-dark: #444;
    --gray: #666;
    --gray-light: #999;
    --gray-lighter: #e8e8e8;
    --bg-light: #f7f8fa;
    --white: #ffffff;
    --font: 'Montserrat', sans-serif;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.12);
    --radius: 8px;
    --transition: 0.3s ease;
}

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--gray-dark);
    background: var(--white);
    -webkit-font-smoothing: antialiased;
}

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

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

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

ul {
    list-style: none;
}

.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 20px;
}

.highlight {
    color: var(--primary);
}

/* ===================================
   BUTTONS
   =================================== */

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 28px;
    font-family: var(--font);
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    border: 2px solid transparent;
    border-radius: var(--radius);
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
}

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

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

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

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

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

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

.btn-lg {
    padding: 16px 36px;
    font-size: 15px;
}

.btn-full {
    width: 100%;
    justify-content: center;
}

/* ===================================
   HEADER
   =================================== */

.site-header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.97);
    backdrop-filter: blur(10px);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.06);
    transition: all var(--transition);
}

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

.logo {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img {
    height: 50px;
    width: auto;
}


.main-nav ul {
    display: flex;
    gap: 32px;
}

.main-nav a {
    font-size: 14px;
    font-weight: 600;
    color: var(--charcoal);
    text-transform: uppercase;
    letter-spacing: 1px;
    position: relative;
    padding: 4px 0;
}

.main-nav a::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: width var(--transition);
}

.main-nav a:hover {
    color: var(--primary);
}

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

.header-phone {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--primary);
    color: var(--white);
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 1px;
    border-radius: var(--radius);
    text-decoration: none;
    transition: background var(--transition);
}

.header-phone:hover {
    background: var(--primary-hover);
    color: var(--white);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
}

.menu-toggle span {
    display: block;
    width: 26px;
    height: 2px;
    background: var(--charcoal);
    transition: all var(--transition);
}

/* ===================================
   HERO
   =================================== */

.hero {
    position: relative;
    height: 100vh;
    min-height: 600px;
    max-height: 900px;
    overflow: hidden;
    margin-top: 80px;
}

.hero-slider {
    position: relative;
    width: 100%;
    height: 100%;
}

.hero-slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 1s ease;
    display: flex;
    align-items: center;
}

.hero-slide.active {
    opacity: 1;
}

.hero-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    transform: scale(1);
    transition: transform 8s ease;
}

.hero-slide.active .hero-bg {
    transform: scale(1.05);
}

.hero-content {
    position: relative;
    z-index: 2;
    color: var(--white);
    max-width: 700px;
}

.hero-content h1 {
    font-size: 56px;
    font-weight: 800;
    line-height: 1.15;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
}

.hero-content h1 .highlight {
    color: var(--primary-hover);
}

.hero-content p {
    font-size: 18px;
    font-weight: 400;
    line-height: 1.7;
    margin-bottom: 32px;
    opacity: 0.95;
    max-width: 550px;
}

.hero-nav {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 12px;
    z-index: 10;
}

.hero-nav-btn {
    width: 14px;
    height: 14px;
    border-radius: 50%;
    border: 2px solid var(--white);
    background: transparent;
    cursor: pointer;
    transition: all var(--transition);
    padding: 0;
}

.hero-nav-btn.active {
    background: var(--white);
}

/* ===================================
   INTRO SECTION
   =================================== */

.intro-section {
    padding: 100px 0;
}

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

.intro-text h2 {
    font-size: 40px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--charcoal);
    margin-bottom: 24px;
    line-height: 1.2;
}

.intro-text p {
    margin-bottom: 16px;
    color: var(--gray);
    font-size: 16px;
}

.intro-text .btn {
    margin-top: 16px;
}

.intro-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 450px;
    object-fit: cover;
}

/* ===================================
   SECTION HEADERS
   =================================== */

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

.section-header h2 {
    font-size: 40px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--charcoal);
    margin-bottom: 12px;
}

.section-header p {
    font-size: 17px;
    color: var(--gray);
    max-width: 600px;
    margin: 0 auto;
}

/* ===================================
   SERVICES
   =================================== */

.services-section {
    padding: 100px 0;
    background: var(--bg-light);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.hp-field {
    position: absolute;
    left: -10000px;
    width: 1px;
    height: 1px;
    overflow: hidden;
}

.service-card {
    background: var(--white);
    padding: 40px 30px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
    display: flex;
    flex-direction: column;
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}

.service-icon {
    width: 70px;
    height: 70px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
    color: var(--primary);
    transition: all var(--transition);
}

.service-card:hover .service-icon {
    background: var(--primary);
    color: var(--white);
}

.service-card h3 {
    font-size: 20px;
    font-weight: 700;
    color: var(--charcoal);
    margin-bottom: 12px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.service-card > p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
    margin-bottom: 20px;
}

.service-list {
    margin-bottom: 24px;
    flex-grow: 1;
}

.service-list li {
    font-size: 14px;
    color: var(--gray-dark);
    padding: 6px 0;
    padding-left: 20px;
    position: relative;
    border-bottom: 1px solid var(--gray-lighter);
}

.service-list li:last-child {
    border-bottom: none;
}

.service-list li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 14px;
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--primary);
}

.service-card .btn {
    margin-top: auto;
    text-align: center;
    justify-content: center;
}

/* ===================================
   STATS
   =================================== */

.stats-section {
    padding: 80px 0;
    background: var(--primary);
    color: var(--white);
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    text-align: center;
}

.stat-item {
    padding: 20px;
}

.stat-number {
    font-size: 56px;
    font-weight: 800;
    line-height: 1;
    display: inline;
}

.stat-suffix {
    font-size: 36px;
    font-weight: 700;
}

.stat-item p {
    font-size: 14px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-top: 8px;
    opacity: 0.85;
}

/* ===================================
   ABOUT
   =================================== */

.about-section {
    padding: 100px 0;
}

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

.about-image img {
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 100%;
    height: 500px;
    object-fit: cover;
}

.about-text h2 {
    font-size: 40px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--charcoal);
    margin-bottom: 24px;
    line-height: 1.2;
}

.about-text p {
    margin-bottom: 16px;
    color: var(--gray);
    font-size: 16px;
}

.about-values {
    margin-top: 24px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.value-item {
    display: flex;
    align-items: center;
    gap: 10px;
    color: var(--charcoal);
    font-size: 14px;
    font-weight: 600;
}

.value-item svg {
    color: var(--primary);
    flex-shrink: 0;
}

/* ===================================
   WHY CHOOSE US
   =================================== */

.why-section {
    padding: 100px 0;
    background: var(--bg-light);
}

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

.why-card {
    text-align: center;
    padding: 40px 24px;
    background: var(--white);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    transition: all var(--transition);
}

.why-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-lg);
}

.why-icon {
    width: 80px;
    height: 80px;
    background: var(--bg-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: var(--primary);
    transition: all var(--transition);
}

.why-card:hover .why-icon {
    background: var(--primary);
    color: var(--white);
}

.why-card h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--charcoal);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 12px;
}

.why-card p {
    font-size: 14px;
    color: var(--gray);
    line-height: 1.7;
}

/* ===================================
   CTA SECTION
   =================================== */

.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, var(--charcoal) 0%, var(--dark) 100%);
    text-align: center;
    color: var(--white);
}

.cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 16px;
}

.cta-section p {
    font-size: 17px;
    opacity: 0.85;
    margin-bottom: 32px;
}

.cta-buttons {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ===================================
   CONTACT
   =================================== */

.contact-section {
    padding: 100px 0;
}

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

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 28px;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
}

.contact-item svg {
    color: var(--primary);
    flex-shrink: 0;
    margin-top: 4px;
}

.contact-item h4 {
    font-size: 14px;
    font-weight: 700;
    color: var(--charcoal);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 4px;
}

.contact-item p,
.contact-item a {
    font-size: 15px;
    color: var(--gray);
    line-height: 1.6;
}

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

/* Contact Form */
.contact-form {
    background: var(--bg-light);
    padding: 40px;
    border-radius: var(--radius);
}

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

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    font-size: 13px;
    font-weight: 600;
    color: var(--charcoal);
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="tel"],
.form-group textarea {
    width: 100%;
    padding: 14px 16px;
    font-family: var(--font);
    font-size: 15px;
    border: 1px solid var(--gray-lighter);
    border-radius: 6px;
    background: var(--white);
    color: var(--charcoal);
    transition: border-color var(--transition);
}

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

.form-group textarea {
    resize: vertical;
    min-height: 120px;
}

.checkbox-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 10px;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    color: var(--gray-dark);
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    cursor: pointer;
}

.consent-label {
    font-size: 13px !important;
    color: var(--gray) !important;
}

.consent-label a {
    text-decoration: underline;
}

.form-status {
    margin-top: 16px;
    text-align: center;
    font-weight: 600;
    font-size: 15px;
}

.form-status.success {
    color: var(--primary);
}

.form-status.error {
    color: #c0392b;
}

/* ===================================
   FOOTER
   =================================== */

.site-footer {
    background: var(--dark);
    color: var(--white);
    padding: 60px 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-logo {
    margin-bottom: 16px;
}

.footer-about p {
    color: var(--gray-light);
    font-size: 14px;
    line-height: 1.7;
    margin-top: 16px;
}

.site-footer h4 {
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    margin-bottom: 20px;
    color: var(--white);
}

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

.site-footer ul a {
    color: var(--gray-light);
    font-size: 14px;
    transition: color var(--transition);
}

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

.footer-contact p {
    margin-bottom: 8px;
}

.footer-contact a {
    color: var(--gray-light);
    font-size: 14px;
}

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

.footer-bottom {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 24px 0;
    font-size: 13px;
    color: var(--gray-light);
}

.footer-legal {
    display: flex;
    gap: 24px;
}

.footer-legal a {
    color: var(--gray-light);
    font-size: 13px;
}

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

/* ===================================
   ANIMATIONS (scroll reveal)
   =================================== */

.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease, transform 0.6s ease;
}

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

/* ===================================
   RESPONSIVE
   =================================== */

@media (max-width: 1024px) {
    .services-grid,
    .why-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }

    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 30px;
    }
}

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

    .main-nav {
        display: none;
        position: absolute;
        top: 70px;
        left: 0;
        width: 100%;
        background: var(--white);
        box-shadow: var(--shadow);
        padding: 20px;
    }

    .main-nav.open {
        display: block;
    }

    .main-nav ul {
        flex-direction: column;
        gap: 0;
    }

    .main-nav a {
        display: block;
        padding: 14px 0;
        border-bottom: 1px solid var(--gray-lighter);
    }

    .header-phone {
        display: none;
    }

    .menu-toggle {
        display: flex;
    }

    .menu-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
    }

    .menu-toggle.active span:nth-child(2) {
        opacity: 0;
    }

    .menu-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
    }

    .hero {
        margin-top: 70px;
        min-height: 500px;
        max-height: 700px;
    }

    .hero-content h1 {
        font-size: 36px;
    }

    .hero-content p {
        font-size: 16px;
    }

    .intro-grid,
    .about-grid,
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .intro-text h2,
    .about-text h2,
    .section-header h2 {
        font-size: 32px;
    }

    .cta-section h2 {
        font-size: 28px;
    }

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

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

    .contact-form {
        padding: 24px;
    }

    .about-values {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
    }

    .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 28px;
    }

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

    .stat-number {
        font-size: 44px;
    }

    .logo-img {
        height: 40px;
    }

    .btn-lg {
        padding: 14px 24px;
        font-size: 13px;
    }
}