/* ===== Global Styles ===== */
:root {
    --primary-gradient: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --success-gradient: linear-gradient(135deg, #11998e 0%, #38ef7d 100%);
    --info-gradient: linear-gradient(135deg, #4facfe 0%, #00f2fe 100%);
    --warning-gradient: linear-gradient(135deg, #fa709a 0%, #fee140 100%);
    --dark-gradient: linear-gradient(135deg, #434343 0%, #000000 100%);
}

* {
    /* scroll-behavior removed per user request */
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    overflow-x: hidden;
}

/* ===== Navigation ===== */
.navbar {
    backdrop-filter: blur(10px);
    background-color: rgba(33, 37, 41, 0.95) !important;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.navbar-brand {
    font-size: 1.5rem;
    transition: transform 0.3s ease;
}

.navbar-brand:hover {
    transform: translateY(-2px);
}

.nav-link {
    position: relative;
    transition: color 0.3s ease;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    width: 0;
    height: 2px;
    background: var(--primary-gradient);
    transition: all 0.3s ease;
    transform: translateX(-50%);
}

.nav-link:hover::after {
    width: 80%;
}

/* ===== Hero Section ===== */
.hero-section {
    position: relative;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg width="100" height="100" xmlns="http://www.w3.org/2000/svg"><defs><pattern id="grid" width="100" height="100" patternUnits="userSpaceOnUse"><path d="M 100 0 L 0 0 0 100" fill="none" stroke="rgba(255,255,255,0.05)" stroke-width="1"/></pattern></defs><rect width="100%" height="100%" fill="url(%23grid)"/></svg>');
    opacity: 0.5;
}

.hero-content {
    position: relative;
    z-index: 2;
    animation: fadeInUp 1s ease;
}

.hero-image {
    position: relative;
    z-index: 2;
    animation: fadeInRight 1s ease;
}

.hero-image img {
    border: 3px solid rgba(255, 255, 255, 0.2);
    transition: transform 0.3s ease;
}

.hero-image img:hover {
    transform: translateY(-10px);
}

.placeholder-box {
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.1), rgba(255, 255, 255, 0.05));
    border-radius: 20px;
    padding: 100px 50px;
    text-align: center;
    backdrop-filter: blur(10px);
    border: 2px solid rgba(255, 255, 255, 0.2);
    color: white;
    transition: transform 0.3s ease;
}

.placeholder-box:hover {
    transform: translateY(-10px);
}

.placeholder-box i {
    font-size: 80px;
    opacity: 0.7;
}

.hero-wave {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    overflow: hidden;
    line-height: 0;
    transform: rotate(180deg);
}

.hero-wave svg {
    position: relative;
    display: block;
    width: calc(100% + 1.3px);
    height: 80px;
}

.hero-wave path {
    fill: #f8f9fa;
}

/* ===== Feature Cards ===== */
.feature-card {
    background: white;
    border-radius: 15px;
    padding: 30px;
    box-shadow: 0 5px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 70px;
    height: 70px;
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.feature-card:hover .feature-icon {
    transform: scale(1.1) rotate(5deg);
}

/* ===== Step Cards ===== */
.step-card {
    position: relative;
    padding: 40px 20px;
    transition: transform 0.3s ease;
}

.step-card:hover {
    transform: translateY(-10px);
}

.step-number {
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 50px;
    background: var(--primary-gradient);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: bold;
    box-shadow: 0 5px 20px rgba(102, 126, 234, 0.4);
}

.step-icon {
    font-size: 4rem;
    color: #667eea;
    margin: 30px 0 20px;
}

/* ===== Code Preview ===== */
.code-preview {
    border-radius: 15px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.3);
}

.code-dots {
    display: flex;
    gap: 8px;
}

.dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    display: inline-block;
}

.code-preview pre {
    overflow-x: auto;
    font-size: 0.9rem;
}

.code-preview code {
    color: #e3e3e3;
    line-height: 1.8;
}

/* ===== Download Cards ===== */
.bg-gradient-primary {
    background: var(--primary-gradient);
}

.download-card {
    background: white;
    border-radius: 15px;
    padding: 40px 30px;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.2);
    transition: all 0.3s ease;
}

.download-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 50px rgba(0, 0, 0, 0.3);
}

.download-card i {
    color: #667eea;
}

/* ===== Buttons ===== */
.btn-primary {
    background: var(--primary-gradient);
    border: none;
    transition: all 0.3s ease;
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.4);
}

/* Hero CTA Button - Bold white style */
.btn-hero-cta {
    background: transparent;
    color: white;
    border: 3px solid white;
    font-weight: 700;
    transition: all 0.3s ease;
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.btn-hero-cta:hover {
    background: white;
    color: #667eea;
    border: 3px solid white;
    transform: translateY(-3px) scale(1.02);
    box-shadow: 0 15px 40px rgba(255, 255, 255, 0.3);
}

.btn-outline-light:hover {
    background: white;
    color: #667eea;
    transform: translateY(-2px);
}

/* ===== Footer ===== */
footer a:hover {
    color: white !important;
    transform: translateX(5px);
}

.social-links a {
    transition: all 0.3s ease;
}

.social-links a:hover {
    transform: translateY(-3px);
    opacity: 0.8;
}

/* ===== Animations ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInRight {
    from {
        opacity: 0;
        transform: translateX(30px);
    }
    to {
        opacity: 1;
        transform: translateX(0);
    }
}

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

.placeholder-box {
    animation: float 3s ease-in-out infinite;
}

/* ===== Responsive ===== */
@media (max-width: 991px) {
    .hero-section {
        min-height: auto;
        padding: 100px 0 50px;
    }

    .display-3 {
        font-size: 2.5rem;
    }

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

    .placeholder-box {
        margin-top: 50px;
    }
}

@media (max-width: 767px) {
    .display-3 {
        font-size: 2rem;
    }

    .feature-card {
        margin-bottom: 20px;
    }

    .step-number {
        width: 40px;
        height: 40px;
        font-size: 1.2rem;
    }

    .step-icon {
        font-size: 3rem;
    }

    .code-preview {
        font-size: 0.8rem;
    }
}

/* ===== Utilities ===== */
.text-white-50 {
    color: rgba(255, 255, 255, 0.7) !important;
}

section {
    position: relative;
}

/* ===== Scroll Animations ===== */
.feature-card,
.step-card,
.download-card {
    opacity: 0;
    animation: fadeInUp 0.6s ease forwards;
}

.feature-card:nth-child(1) { animation-delay: 0.1s; }
.feature-card:nth-child(2) { animation-delay: 0.2s; }
.feature-card:nth-child(3) { animation-delay: 0.3s; }
.feature-card:nth-child(4) { animation-delay: 0.4s; }
.feature-card:nth-child(5) { animation-delay: 0.5s; }
.feature-card:nth-child(6) { animation-delay: 0.6s; }

.step-card:nth-child(1) { animation-delay: 0.1s; }
.step-card:nth-child(2) { animation-delay: 0.3s; }
.step-card:nth-child(3) { animation-delay: 0.5s; }