:root {
    --primary: #1A4D2E;
    /* Deep Forest Green */
    --primary-light: #2C6E44;
    --secondary: #E1C16E;
    /* Wheat Gold */
    --accent: #FFFAF0;
    /* Off-white cream */
    --text-dark: #1F2937;
    --text-light: #4B5563;
    --white: #FFFFFF;
    --glass: rgba(255, 255, 255, 0.1);
    --shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    --font-heading: 'Playfair Display', serif;
    --font-body: 'Inter', sans-serif;
}

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

body {
    font-family: var(--font-body);
    color: var(--text-dark);
    background-color: var(--accent);
    line-height: 1.6;
    overflow-x: hidden;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navbar */
/* Navbar */
.navbar {
    padding: 30px 0;
    background: transparent;
    position: absolute;
    width: 100%;
    z-index: 100;
    transition: all 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-family: var(--font-heading);
    font-size: 2.2rem;
    font-weight: 700;
    color: var(--primary);
    letter-spacing: -0.5px;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
}

.dot {
    color: var(--secondary);
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav-links li a {
    font-weight: 500;
    font-size: 1.05rem;
    color: var(--text-dark);
    transition: all 0.3s ease;
    position: relative;
    padding-bottom: 5px;
}

.nav-links li a:not(.cta-btn)::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--secondary);
    transition: width 0.3s ease;
}

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

.nav-links li a:not(.cta-btn):hover::after {
    width: 100%;
}

/* Buttons */
.cta-btn {
    padding: 12px 28px;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
}

.cta-btn.primary {
    background-color: var(--primary);
    color: var(--white);
    box-shadow: 0 4px 15px rgba(26, 77, 46, 0.3);
}

.cta-btn.primary:hover {
    background-color: var(--primary-light);
    transform: translateY(-2px);
}

.cta-btn.secondary {
    background-color: var(--secondary);
    color: var(--primary);
    box-shadow: 0 4px 15px rgba(225, 193, 110, 0.3);
}

.cta-btn.secondary:hover {
    transform: translateY(-2px);
    background-color: #d4b25d;
}

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

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    padding-top: 80px;
    background: linear-gradient(135deg, #fdfbf7 0%, #e8f5e9 100%);
    overflow: hidden;
}

.hero-content {
    flex: 1;
    z-index: 2;
    padding-left: 50px;
}

.hero h1 {
    font-family: var(--font-heading);
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 20px;
    color: var(--primary);
}

.hero p {
    font-size: 1.125rem;
    color: var(--text-light);
    margin-bottom: 30px;
    max-width: 500px;
}

.hero-btns {
    display: flex;
    gap: 15px;
}

.hero-visual {
    flex: 1;
    position: relative;
    height: 500px;
    display: flex;
    justify-content: center;
    align-items: center;
}

/* Abstract Visuals */
.orbit-circle {
    position: absolute;
    border-radius: 50%;
    border: 1px solid rgba(26, 77, 46, 0.1);
}

.c1 {
    width: 400px;
    height: 400px;
    border-color: rgba(225, 193, 110, 0.3);
    animation: spin 20s linear infinite;
}

.c2 {
    width: 600px;
    height: 600px;
    border-color: rgba(26, 77, 46, 0.05);
}

.tech-card {
    background: rgba(255, 255, 255, 0.8);
    backdrop-filter: blur(10px);
    padding: 20px 30px;
    border-radius: 15px;
    box-shadow: var(--shadow);
    display: flex;
    align-items: center;
    gap: 15px;
    font-weight: 600;
    color: var(--primary);
    animation: float 6s ease-in-out infinite;
}

.tech-card i {
    font-size: 2rem;
    color: var(--secondary);
}

/* Features Section */
.features {
    padding: 100px 0;
    background-color: var(--white);
}

.section-title {
    text-align: center;
    font-family: var(--font-heading);
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 60px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.feature-card {
    background: var(--accent);
    padding: 40px;
    border-radius: 20px;
    transition: transform 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.02);
}

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

.icon-box {
    width: 60px;
    height: 60px;
    background-color: var(--primary);
    color: var(--secondary);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 20px;
}

.feature-card h3 {
    margin-bottom: 15px;
    font-size: 1.5rem;
    color: var(--primary);
}

.feature-card p {
    color: var(--text-light);
}

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

.cta-section h2 {
    font-family: var(--font-heading);
    font-size: 3rem;
    margin-bottom: 20px;
}

.cta-section p {
    margin-bottom: 40px;
    opacity: 0.9;
    font-size: 1.2rem;
}

.cta-section .cta-btn.primary {
    background-color: var(--secondary);
    color: var(--primary);
}

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

/* Footer */
footer {
    padding: 40px 0;
    background-color: #0f2d1b;
    color: rgba(255, 255, 255, 0.6);
    text-align: center;
    font-size: 0.9rem;
}

/* Animations */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-20px);
    }
}

@keyframes spin {
    from {
        transform: rotate(0deg);
    }

    to {
        transform: rotate(360deg);
    }
}

/* About Section */
.about-section {
    padding: 100px 0;
    background-color: var(--accent);
    position: relative;
    overflow: hidden;
}

.about-content {
    display: flex;
    align-items: center;
    gap: 60px;
}

.about-text {
    flex: 1;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 1.1rem;
    color: var(--text-light);
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 30px;
}

.stat-item h4 {
    font-size: 2rem;
    font-family: var(--font-heading);
    color: var(--primary);
    margin-bottom: 5px;
}

.stat-item p {
    font-size: 0.9rem;
    margin-bottom: 0;
}

.about-image {
    flex: 1;
    position: relative;
}

.image-placeholder {
    width: 100%;
    height: 400px;
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
    border-radius: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow);
    position: relative;
}

.image-placeholder::before {
    content: '';
    position: absolute;
    top: -20px;
    right: -20px;
    width: 100%;
    height: 100%;
    border: 2px solid var(--secondary);
    border-radius: 20px;
    z-index: -1;
}

/* =============================================
   HAMBURGER MENU
   ============================================= */
.hamburger {
    display: none;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    gap: 5px;
    width: 42px;
    height: 42px;
    background: transparent;
    border: none;
    cursor: pointer;
    border-radius: 10px;
    transition: background 0.2s;
    z-index: 200;
    padding: 6px;
}

.hamburger:hover {
    background: rgba(26, 77, 46, 0.08);
}

.hamburger span {
    display: block;
    width: 22px;
    height: 2px;
    background-color: var(--primary);
    border-radius: 3px;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    transform-origin: center;
}

.hamburger.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

.hamburger.open span:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.hamburger.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.nav-overlay {
    display: none;
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.45);
    backdrop-filter: blur(4px);
    z-index: 150;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.nav-overlay.active {
    display: block;
    opacity: 1;
}

/* =============================================
   RESPONSIVE — TABLET (≤992px)
   ============================================= */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 3rem;
    }

    .hero-content {
        padding-left: 20px;
    }

    .features-grid {
        grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
        gap: 24px;
    }
}

/* =============================================
   RESPONSIVE — MOBILE (≤768px)
   ============================================= */
@media (max-width: 768px) {

    /* --- NAVBAR --- */
    .navbar {
        padding: 18px 0;
        background: rgba(253, 251, 247, 0.96);
        position: fixed;
        top: 0;
        backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(0,0,0,0.06);
    }

    .hamburger {
        display: flex;
    }

    .nav-links {
        position: fixed;
        top: 0;
        right: 0;
        height: 100vh;
        width: 72vw;
        max-width: 300px;
        background: #fff;
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 80px 24px 32px;
        z-index: 160;
        transform: translateX(100%);
        transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        box-shadow: -8px 0 32px rgba(0,0,0,0.12);
        display: flex !important;
    }

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

    .nav-links li {
        width: 100%;
        border-bottom: 1px solid #f3f4f6;
    }

    .nav-links li:last-child {
        border-bottom: none;
        margin-top: 12px;
    }

    .nav-links li a {
        display: block;
        padding: 14px 0;
        font-size: 1rem;
    }

    .nav-links li a:not(.cta-btn)::after {
        display: none;
    }

    .nav-links li .cta-btn.secondary {
        display: block;
        text-align: center;
        padding: 12px 20px;
    }

    /* Lang switcher inside mobile menu */
    .lang-switcher {
        margin-left: 0;
        width: 100%;
    }

    .lang-toggle {
        width: 100%;
        justify-content: flex-start;
    }

    .lang-dropdown {
        width: 100%;
        position: static;
        box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        transform: none !important;
        margin-top: 4px;
    }

    .lang-switcher.open .lang-dropdown {
        opacity: 1;
        visibility: visible;
    }

    /* --- HERO --- */
    .hero {
        padding-top: 120px;
        flex-direction: column;
        min-height: auto;
        padding-bottom: 60px;
    }

    .hero-content {
        padding-left: 0;
        text-align: center;
    }

    .hero h1 {
        font-size: 2.2rem;
        line-height: 1.2;
    }

    .hero p {
        font-size: 1rem;
        max-width: 100%;
    }

    .hero-btns {
        justify-content: center;
        flex-wrap: wrap;
        gap: 12px;
    }

    .hero-visual {
        display: none;
    }

    /* --- FEATURES --- */
    .features {
        padding: 60px 0;
    }

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

    .section-title {
        font-size: 2rem;
        margin-bottom: 36px;
    }

    .feature-card {
        padding: 28px 24px;
    }

    /* --- ABOUT --- */
    .about-section {
        padding: 60px 0;
    }

    .about-content {
        flex-direction: column;
        gap: 36px;
        text-align: center;
    }

    .about-text h2 {
        text-align: center !important;
    }

    .about-stats {
        justify-content: center;
        gap: 24px;
    }

    .image-placeholder {
        height: 260px;
    }

    .image-placeholder::before {
        display: none;
    }

    /* --- CTA SECTION --- */
    .cta-section {
        padding: 60px 0;
    }

    .cta-section h2 {
        font-size: 2rem;
    }

    .cta-section p {
        font-size: 1rem;
    }

    /* --- FOOTER --- */
    footer {
        padding: 28px 0;
    }
}

/* =============================================
   RESPONSIVE — SMALL MOBILE (≤480px)
   ============================================= */
@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.85rem;
    }

    .cta-btn {
        padding: 11px 20px;
        font-size: 0.95rem;
    }

    .hero-btns {
        flex-direction: column;
        align-items: center;
    }

    .about-stats {
        flex-direction: column;
        align-items: center;
        gap: 16px;
    }

    .stat-item h4 {
        font-size: 1.6rem;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .cta-section h2 {
        font-size: 1.7rem;
    }
}