/* Google Fonts - Plus Jakarta Sans */
@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@300;400;500;600;700;800&display=swap');

:root {
    /* Color Palette - Ultra Modern Nature-Tech */
    --emerald-deep: #064E3B;
    --emerald-mid: #065F46;
    --sage-light: #D1FAE5;
    --sage-soft: #ECFDF5;
    --lime-vibrant: #A3E635;
    /* Primary CTA */
    --lime-dark: #65A30D;
    --white: #FFFFFF;
    --black: #0F172A;
    --slate-muted: #64748B;

    /* Functional Colors */
    --primary: var(--emerald-deep);
    --accent: var(--lime-vibrant);
    --text-main: var(--black);
    --text-light: var(--white);
    --bg-main: var(--white);
    --bg-alt: var(--sage-soft);

    /* Typography */
    --font-main: 'Plus Jakarta Sans', sans-serif;

    /* Spacing & Borders */
    --section-pad: clamp(80px, 10vw, 160px);
    --container-max: 1280px;
    --radius-full: 9999px;
    --radius-xl: 40px;
    --radius-lg: 24px;

    /* Shadows & Effects */
    --shadow-modern: 0 20px 40px -10px rgba(6, 78, 59, 0.1);
    --shadow-hover: 0 30px 60px -12px rgba(6, 78, 59, 0.15);
    --glass: rgba(255, 255, 255, 0.7);
    --glass-border: rgba(255, 255, 255, 0.3);

    /* Transitions */
    --transition-base: all 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-main);
    color: var(--text-main);
    background-color: var(--bg-main);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography Helpers */
h1,
h2,
h3,
h4 {
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -0.02em;
}

.title-large {
    font-size: clamp(48px, 8vw, 96px);
}

.title-medium {
    font-size: clamp(32px, 5vw, 56px);
}

.title-small {
    font-size: clamp(24px, 3vw, 32px);
}

/* Layout Components */
.container {
    max-width: var(--container-max);
    margin: 0 auto;
    padding: 0 2rem;
}

.section {
    padding: var(--section-pad) 0;
}

.grid-bento {
    display: grid;
    grid-template-columns: repeat(12, 1fr);
    gap: 1.5rem;
}

/* Navbar Redesign */
header {
    position: fixed;
    top: 1rem;
    left: 0;
    width: 100%;
    z-index: 1000;
}

.nav-container {
    max-width: 1100px;
    margin: 0 auto;
    background: var(--white);
    /* Solid white */
    border: 1px solid rgba(0, 0, 0, 0.05);
    padding: 1rem 3rem;
    border-radius: var(--radius-full);
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: var(--shadow-modern);
}

.logo img {
    height: 65px;
    width: auto;
    transition: var(--transition-base);
}

.nav-links {
    display: flex;
    gap: 2rem;
    list-style: none;
    align-items: center;
}

.nav-link {
    text-decoration: none;
    color: var(--emerald-deep);
    font-weight: 600;
    font-size: 1.05rem;
    transition: var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--lime-dark);
    transition: var(--transition-base);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

/* Mobile Nav Toggle */
.mobile-nav-toggle {
    display: none;
    background: none;
    border: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 0.5rem;
    z-index: 1100;
    transition: var(--transition-base);
}

.mobile-nav-toggle .bar {
    width: 28px;
    height: 3px;
    background-color: var(--emerald-deep);
    border-radius: 4px;
    transition: var(--transition-base);
}

/* Open state for hamburger */
.mobile-nav-toggle.active .bar:nth-child(1) {
    transform: translateY(9px) rotate(45deg);
}

.mobile-nav-toggle.active .bar:nth-child(2) {
    opacity: 0;
}

.mobile-nav-toggle.active .bar:nth-child(3) {
    transform: translateY(-9px) rotate(-45deg);
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    padding: 1rem 2rem;
    border-radius: var(--radius-full);
    font-weight: 700;
    text-decoration: none;
    transition: var(--transition-base);
    border: none;
    cursor: pointer;
}

.btn-primary {
    background: var(--lime-vibrant);
    color: var(--emerald-deep);
}

.btn-primary:hover {
    background: var(--emerald-deep);
    color: var(--lime-vibrant);
    transform: scale(1.05);
}

.btn-outline {
    border: 2px solid var(--emerald-deep);
    color: var(--emerald-deep);
}

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

/* Hero Section */
.hero-split {
    min-height: 100vh;
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    align-items: center;
    padding-top: 8rem;
}

.hero-visual {
    position: relative;
    height: 80vh;
    border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
    overflow: hidden;
}

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

/* Bento Cards */
.bento-card {
    background: var(--bg-alt);
    border-radius: var(--radius-lg);
    padding: 3rem;
    transition: var(--transition-base);
    text-decoration: none;
    color: inherit;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}

.bento-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--shadow-hover);
}

/* Footer modern */
footer {
    background: var(--emerald-deep);
    color: var(--white);
    padding: 6rem 0 3rem;
    border-radius: var(--radius-xl) var(--radius-xl) 0 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr;
    gap: 4rem;
}

/* Animations */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: var(--transition-base);
}

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

@media (max-width: 992px) {
    .nav-container {
        padding: 0.8rem 1.5rem;
        width: 92%;
        top: 0.5rem;
    }

    .mobile-nav-toggle {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        width: 80%;
        max-width: 400px;
        height: 100vh;
        background: rgba(255, 255, 255, 0.9);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: flex-start;
        padding: 4rem;
        gap: 2.5rem;
        z-index: 1000;
        box-shadow: -20px 0 60px rgba(6, 78, 59, 0.15);
        border-left: 1px solid rgba(255, 255, 255, 0.3);
        transform: translateX(100%);
        transition: transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
    }

    .nav-links.active {
        transform: translateX(0);
    }

    .nav-link {
        font-size: 1.5rem;
    }

    .hero-split {
        grid-template-columns: 1fr;
        padding-top: 7rem;
        text-align: center;
    }

    .hero-content {
        order: 1;
        padding: 0 1.5rem;
    }

    .hero-visual {
        order: 2;
        height: 45vh;
        border-radius: var(--radius-lg);
        margin: 2rem 1.5rem;
    }

    .grid-bento {
        grid-template-columns: 1fr;
        display: flex;
        flex-direction: column;
    }

    .bento-card {
        grid-column: span 1 !important;
        padding: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
        gap: 3rem;
        text-align: center;
    }

    .footer-content>div {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
}

@media (max-width: 480px) {
    .nav-container {
        padding: 0.8rem 1.2rem;
    }

    .logo img {
        height: 50px;
    }

    .hero-visual {
        height: 35vh;
    }

    .title-large {
        font-size: 3rem;
    }

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

    .hero-content .flex {
        flex-direction: column;
        width: 100%;
    }

    .title-medium {
        font-size: 2.2rem;
    }

    /* Subpage Height Fixes */
    .grid-bento>div[style*="height"] {
        height: auto !important;
        min-height: 250px;
    }

    .approach-list {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section {
        padding: 4rem 0;
    }
}

/* Modern Contact Form */
.contact-form-container {
    padding: 1.5rem 0;
}

.form-group {
    margin-bottom: 2rem;
    position: relative;
    display: flex;
    flex-direction: column;
}

.form-label {
    display: block;
    font-size: 0.85rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: var(--emerald-deep);
    margin-bottom: 0.75rem;
    opacity: 0.8;
}

.form-input {
    width: 100%;
    padding: 1.25rem;
    border: 1px solid rgba(0, 0, 0, 0.08);
    background: #FAFAFA;
    border-radius: 16px;
    font-family: var(--font-main);
    font-size: 1rem;
    transition: var(--transition-base);
    color: var(--emerald-deep);
}

.form-input:focus {
    outline: none;
    border-color: var(--lime-dark);
    background: var(--white);
    box-shadow: 0 0 0 4px rgba(163, 230, 53, 0.15);
    transform: translateY(-2px);
}

.btn-form {
    width: auto !important;
    min-width: 220px;
    box-shadow: 0 10px 20px -5px rgba(163, 230, 53, 0.3);
}

@media (max-width: 768px) {
    .btn-form {
        width: 100% !important;
    }
}

.success-message {
    background: rgba(163, 230, 53, 0.15);
    color: var(--emerald-deep);
    border: 1px solid var(--lime-dark);
}

.error-message {
    background: rgba(239, 68, 68, 0.1);
    color: #b91c1c;
    border: 1px solid #ef4444;
}
/* Product Imagery Grid Responsiveness */
@media (max-width: 480px) {
    .product-imagery-grid {
        grid-template-columns: 1fr !important;
        grid-template-rows: auto !important;
        height: auto !important;
    }
    
    .product-imagery-grid > div {
        grid-row: auto !important;
        grid-column: auto !important;
        height: 200px !important;
    }
}

/* Drone Feature Section Responsiveness */
@media (max-width: 768px) {
    .drone-feature-grid {
        grid-template-columns: 1fr !important;
        gap: 2rem !important;
    }
    
    .drone-feature-grid > div:first-child {
        height: 300px !important;
    }
}