:root {
    --primary-color: #8B4513;
    --primary-light: #D2691E;
    --primary-dark: #654321;
    --accent-color: #FF6B35;
    --text-dark: #2C3E50;
    --text-light: #7F8C8D;
    --bg-light: #F8F9FA;
    --white: #FFFFFF;
    --success: #27AE60;
}

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

body {
    font-family: 'Inter', sans-serif;
    line-height: 1.6;
    color: var(--text-dark);
    overflow-x: hidden;
}

main {
    padding-top: 120px;
}

.navbar {
    background: rgba(255, 255, 255, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(139, 69, 19, 0.1);
    padding: 1rem 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 1000;
    transition: all 0.3s ease;
}

.navbar.scrolled {
    background: rgba(255, 255, 255, 0.98);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.1);
}

.navbar-brand {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color) !important;
    text-decoration: none;
}

.nav-link {
    color: var(--text-dark) !important;
    font-weight: 500;
    margin: 0 0.5rem;
    transition: color 0.3s ease;
}

.nav-link:hover {
    color: var(--primary-color) !important;
}

.btn-primary {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border: none;
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(139, 69, 19, 0.3);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 25px rgba(139, 69, 19, 0.4);
}

.btn-outline-primary {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    padding: 0.75rem 2rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
}

.btn-outline-primary:hover {
    background: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-2px);
    color: var(--white);
}

.hero-section {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 200 200"><g fill="%23D2691E" opacity="0.05"><ellipse cx="40" cy="30" rx="8" ry="12" transform="rotate(25 40 30)"/><ellipse cx="160" cy="50" rx="6" ry="10" transform="rotate(-15 160 50)"/><ellipse cx="80" cy="90" rx="7" ry="11" transform="rotate(40 80 90)"/><ellipse cx="140" cy="130" rx="8" ry="12" transform="rotate(-30 140 130)"/><ellipse cx="30" cy="160" rx="6" ry="9" transform="rotate(20 30 160)"/></g><g fill="%238B4513" opacity="0.03"><ellipse cx="120" cy="40" rx="5" ry="8" transform="rotate(50 120 40)"/><ellipse cx="70" cy="150" rx="7" ry="10" transform="rotate(-20 70 150)"/><ellipse cx="180" cy="120" rx="6" ry="9" transform="rotate(35 180 120)"/></g></svg>'), url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><circle cx="20" cy="20" r="2" fill="%23D2691E" opacity="0.1"/><circle cx="80" cy="80" r="2" fill="%238B4513" opacity="0.1"/><circle cx="40" cy="60" r="1" fill="%23FF6B35" opacity="0.1"/></svg>');
    background-size: 300px 300px, 100px 100px;
    animation: float 20s ease-in-out infinite;
}

@keyframes float {
    0%, 100% {
        transform: translateY(0px) rotate(0deg);
    }
    50% {
        transform: translateY(-20px) rotate(180deg);
    }
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-title {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-dark);
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

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

.hero-subtitle {
    font-size: 1.3rem;
    color: var(--text-light);
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-stats {
    display: flex;
    gap: 3rem;
    margin-top: 3rem;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--text-light);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.coffee-animation {
    font-size: 15rem;
    color: var(--primary-color);
    opacity: 0.3;
    animation: float 6s ease-in-out infinite;
}

.features-section {
    padding: 6rem 0;
    background: var(--white);
    position: relative;
    overflow: hidden;
}

.features-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 150 150"><g fill="%23D2691E" opacity="0.02"><ellipse cx="30" cy="30" rx="4" ry="6" transform="rotate(15 30 30)"/><ellipse cx="120" cy="40" rx="3" ry="5" transform="rotate(-25 120 40)"/><ellipse cx="70" cy="80" rx="4" ry="6" transform="rotate(35 70 80)"/><ellipse cx="110" cy="120" rx="3" ry="5" transform="rotate(-10 110 120)"/></g></svg>');
    background-size: 200px 200px;
    pointer-events: none;
}

.feature-card {
    background: var(--white);
    padding: 3rem 2rem;
    border-radius: 20px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid rgba(139, 69, 19, 0.1);
    height: 100%;
    text-align: center;
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 2rem;
    font-size: 2rem;
    color: var(--white);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.feature-description {
    color: var(--text-light);
    line-height: 1.6;
}

.how-it-works {
    padding: 6rem 0;
    background: var(--bg-light);
}

.step-card {
    text-align: center;
    padding: 2rem;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-light) 100%);
    color: var(--white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    position: relative;
    z-index: 2;
}

.step-title {
    font-size: 1.3rem;
    font-weight: 600;
    color: var(--text-dark);
    margin-bottom: 1rem;
}

.step-description {
    color: var(--text-light);
}

.cta-section {
    padding: 6rem 0;
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-dark) 100%);
    color: var(--white);
    text-align: center;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
}

.cta-subtitle {
    font-size: 1.2rem;
    margin-bottom: 3rem;
    opacity: 0.9;
}

.btn-light {
    background: var(--white);
    color: var(--primary-color);
    border: none;
    padding: 1rem 3rem;
    border-radius: 50px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(255, 255, 255, 0.3);
}

.btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(255, 255, 255, 0.4);
    color: var(--primary-color);
}

.footer {
    background: var(--text-dark);
    color: var(--white);
    padding: 3rem 0 1rem;
}

.footer-brand {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-light);
    margin-bottom: 1rem;
}

.footer-description {
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 0;
}

.footer-links {
    list-style: none;
    padding: 0;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: color 0.3s ease;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin-top: 2rem;
    padding-top: 2rem;
    text-align: center;
    color: rgba(255, 255, 255, 0.6);
}

.fade-in {
    opacity: 0;
    transform: translateY(30px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

@media (max-width: 992px) {
    .hero-title {
        font-size: 3rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .feature-card {
        margin-bottom: 2rem;
    }
}

@media (max-width: 768px) {
    .navbar-brand {
        font-size: 1.5rem;
    }

    .hero-section {
        min-height: 100vh;
        padding: 6rem 0 4rem;
        padding-top: 100px;
    }

    .hero-content {
        padding: 2rem 1rem;
        margin-bottom: 2rem;
    }

    .hero-title {
        font-size: 2.2rem;
        margin-bottom: 1.5rem;
        padding: 0 0.5rem;
    }

    .hero-subtitle {
        font-size: 1.1rem;
        margin-bottom: 2.5rem;
        padding: 0 0.5rem;
        line-height: 1.6;
    }

    .hero-stats {
        flex-direction: column;
        gap: 2rem;
        margin-top: 3rem;
        padding: 2rem 1rem;
    }

    .stat-number {
        font-size: 2rem;
    }

    .stat-label {
        font-size: 0.8rem;
    }

    .btn-lg {
        padding: 0.75rem 1.5rem;
        font-size: 1rem;
    }

    .cta-title {
        font-size: 2rem;
    }

    .cta-subtitle {
        font-size: 1rem;
    }

    .features-section,
    .how-it-works,
    .cta-section {
        padding: 4rem 0;
    }
}

@media (max-width: 576px) {
    .hero-subtitle {
        margin-bottom: 2.5rem;
        padding: 0 1rem;
    }

    .btn-primary,
    .btn-outline-primary {
        padding: 0.8rem 1.5rem;
        font-size: 1rem;
        margin: 0.5rem 0;
        width: 100%;
        text-align: center;
    }

    .btn-lg {
        padding: 1rem 1.5rem;
        font-size: 1rem;
        margin: 0.5rem 0;
    }

    .hero-stats {
        gap: 1.5rem;
        margin-top: 3rem;
        padding: 2.5rem 1.5rem;
    }

    .display-4 {
        font-size: 2rem;
    }

    .cta-title {
        font-size: 1.8rem;
    }

    .feature-card {
        padding: 1.5rem 1rem;
    }

    .feature-icon {
        width: 50px;
        height: 50px;
        font-size: 1.3rem;
    }

    .feature-title {
        font-size: 1.1rem;
    }

    .feature-description {
        font-size: 0.9rem;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.1rem;
    }

    .step-title {
        font-size: 1.1rem;
    }

    .step-description {
        font-size: 0.9rem;
    }

    .coffee-animation {
        font-size: 8rem;
    }

    .navbar-toggler {
        border: none;
        padding: 0.25rem 0.5rem;
    }

    .navbar-collapse {
        margin-top: 1rem;
    }

    .nav-link {
        padding: 0.5rem 0;
        margin: 0;
    }
}

@media (max-width: 991px) {
    .navbar-toggler {
        border: 1px solid var(--primary-color);
        padding: 0.5rem;
    }

    .navbar-toggler:focus {
        box-shadow: 0 0 0 0.2rem rgba(139, 69, 19, 0.25);
    }

    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%238B4513' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
}