/* =========================================================================
   VARIABLES & DESIGN TOKENS
   ========================================================================= */
:root {
    /* Colors */
    --clr-google-blue: #4285f4;
    --clr-google-blue-dark: #3367d6;
    --clr-google-blue-light: rgba(66, 133, 244, 0.1);
    
    --clr-purple: #8ab4f8; /* Soft blue/purple */
    --clr-purple-light: rgba(138, 180, 248, 0.1);
    --clr-purple-accent: #a142f4;
    
    --clr-dark: #202124;
    --clr-dark-secondary: #5f6368;
    --clr-light: #f8f9fa;
    --clr-white: #ffffff;
    
    --clr-success: #34a853;
    --clr-green-light: rgba(52, 168, 83, 0.1);
    
    --clr-warning: #fbbc05;
    --clr-orange-light: rgba(251, 188, 5, 0.1);
    
    --clr-danger: #ea4335;
    --clr-red-light: rgba(234, 67, 53, 0.1);
    
    --clr-teal: #12b5cb;
    --clr-teal-light: rgba(18, 181, 203, 0.1);
    
    --clr-border: #e8eaed;
    
    /* Typography */
    --font-heading: 'Outfit', sans-serif;
    --font-body: 'Inter', sans-serif;
    
    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Shadows */
    --shadow-sm: 0 2px 4px rgba(0,0,0,0.05);
    --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
    --shadow-lg: 0 12px 24px rgba(0,0,0,0.12);
    --shadow-glow: 0 0 20px rgba(66, 133, 244, 0.4);
    
    /* Gradients */
    --gradient-primary: linear-gradient(135deg, var(--clr-google-blue) 0%, var(--clr-purple-accent) 100%);
    --gradient-mesh: radial-gradient(at 40% 20%, hsla(217,100%,74%,1) 0px, transparent 50%),
                     radial-gradient(at 80% 0%, hsla(271,100%,74%,1) 0px, transparent 50%),
                     radial-gradient(at 0% 50%, hsla(217,100%,74%,1) 0px, transparent 50%);
}

/* =========================================================================
   BASE RESET
   ========================================================================= */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    font-size: 16px;
}

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

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    color: var(--clr-dark);
    line-height: 1.2;
    margin-bottom: 1rem;
}

p {
    color: var(--clr-dark-secondary);
    margin-bottom: 1rem;
}

a {
    text-decoration: none;
    color: var(--clr-google-blue);
    transition: var(--transition-fast);
}

a:hover {
    color: var(--clr-google-blue-dark);
}

ul {
    list-style: none;
}

/* =========================================================================
   UTILITIES
   ========================================================================= */
.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.text-primary { color: var(--clr-google-blue) !important; }
.text-purple { color: var(--clr-purple-accent) !important; }
.text-success { color: var(--clr-success) !important; }
.text-warning { color: var(--clr-warning) !important; }
.text-danger { color: var(--clr-danger) !important; }
.text-dark { color: var(--clr-dark) !important; }
.text-teal { color: var(--clr-teal) !important; }
.text-muted { color: var(--clr-dark-secondary) !important; }

.bg-light { background-color: var(--clr-light); }
.bg-blue-light { background-color: var(--clr-google-blue-light); }
.bg-purple-light { background-color: var(--clr-purple-light); }
.bg-green-light { background-color: var(--clr-green-light); }
.bg-orange-light { background-color: var(--clr-orange-light); }
.bg-red-light { background-color: var(--clr-red-light); }
.bg-teal-light { background-color: var(--clr-teal-light); }
.bg-gray-light { background-color: rgba(32,33,36,0.05); }

.fw-medium { font-weight: 500; }
.fw-bold { font-weight: 700; }

.text-center { text-align: center; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-4 { margin-bottom: 1.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-5 { margin-top: 3rem; }
.ms-1 { margin-left: 0.25rem; }
.w-100 { width: 100%; }

.section-padding {
    padding: 6rem 0;
}

.text-gradient {
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    padding: 0.75rem 1.5rem;
    border-radius: 50px;
    font-weight: 600;
    font-family: var(--font-body);
    font-size: 1rem;
    cursor: pointer;
    border: none;
    transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
}

.btn-primary {
    background-color: var(--clr-google-blue);
    color: var(--clr-white);
}

.btn-primary:hover {
    background-color: var(--clr-google-blue-dark);
    color: var(--clr-white);
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-outline-primary {
    background-color: transparent;
    color: var(--clr-google-blue);
    border: 2px solid var(--clr-google-blue);
}

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

.btn-large {
    padding: 1rem 2rem;
    font-size: 1.125rem;
}

.btn-block {
    width: 100%;
}

.btn-glow {
    box-shadow: var(--shadow-glow);
}

.btn-glow:hover {
    box-shadow: 0 0 25px rgba(66, 133, 244, 0.6);
}

/* =========================================================================
   COMPONENTS
   ========================================================================= */

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    -webkit-backdrop-filter: blur(10px);
    z-index: 1000;
    border-bottom: 1px solid var(--clr-border);
    transition: var(--transition-base);
}

.navbar.scrolled {
    box-shadow: var(--shadow-sm);
    height: 70px;
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 500;
    color: var(--clr-dark);
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    color: var(--clr-dark-secondary);
    font-weight: 500;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--clr-google-blue);
    transition: var(--transition-base);
}

.nav-links a:hover {
    color: var(--clr-dark);
}

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

.nav-actions {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.mobile-menu-btn {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--clr-dark);
    cursor: pointer;
}

/* Section Header */
.section-header {
    margin-bottom: 4rem;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1rem;
}

.section-subtitle {
    font-size: 1.25rem;
    max-width: 600px;
    margin: 0 auto;
}

/* =========================================================================
   SECTIONS
   ========================================================================= */

/* Hero */
.hero {
    position: relative;
    padding: 180px 0 100px;
    overflow: hidden;
    background-color: #fafbfc;
}

.hero-bg-elements {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: 0;
    overflow: hidden;
    opacity: 0.5;
}

.blob {
    position: absolute;
    filter: blur(80px);
    z-index: -1;
    border-radius: 50%;
}

.shape-1 {
    top: -10%;
    right: -5%;
    width: 500px;
    height: 500px;
    background: rgba(138, 180, 248, 0.4);
    animation: float 10s ease-in-out infinite alternate;
}

.shape-2 {
    bottom: -10%;
    left: -10%;
    width: 400px;
    height: 400px;
    background: rgba(66, 133, 244, 0.2);
    animation: float 12s ease-in-out infinite alternate-reverse;
}

.shape-3 {
    top: 20%;
    left: 10%;
    width: 300px;
    height: 300px;
    background: rgba(161, 66, 244, 0.15);
    animation: float 8s ease-in-out infinite alternate;
}

.hero-container {
    position: relative;
    z-index: 1;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.hero-content {
    max-width: 600px;
}

.badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    background-color: var(--clr-google-blue-light);
    color: var(--clr-google-blue);
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    margin-bottom: 1.5rem;
    border: 1px solid rgba(66, 133, 244, 0.2);
}

.hero-headline {
    font-size: 3.5rem;
    font-weight: 800;
    line-height: 1.1;
    letter-spacing: -1px;
    margin-bottom: 1.5rem;
}

.hero-subheadline {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    color: var(--clr-dark-secondary);
}

.hero-trust {
    margin-top: 1rem;
    font-size: 0.875rem;
    font-weight: 500;
}

/* Mockup UI */
.glass-mockup {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.5);
    border-radius: 20px;
    box-shadow: var(--shadow-lg), 0 20px 40px rgba(66, 133, 244, 0.1);
    overflow: hidden;
    transform: perspective(1000px) rotateY(-5deg) rotateX(5deg);
    transition: transform 0.5s ease;
}

.glass-mockup:hover {
    transform: perspective(1000px) rotateY(0deg) rotateX(0deg) translateY(-10px);
}

.mockup-header {
    background: var(--clr-white);
    padding: 1rem 1.5rem;
    border-bottom: 1px solid var(--clr-border);
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.mockup-body {
    padding: 1.5rem;
}

.mockup-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: var(--clr-white);
    border-radius: 12px;
    margin-bottom: 0.75rem;
    box-shadow: var(--shadow-sm);
    transition: var(--transition-fast);
    border: 1px solid transparent;
}

.mockup-item:hover {
    border-color: var(--clr-google-blue-light);
    transform: translateX(5px);
}

.mockup-icon {
    width: 40px;
    height: 40px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.25rem;
}

.mockup-icon.yt { background: var(--clr-red-light); color: #ff0000; }
.mockup-icon.ggle { background: var(--clr-blue-light); color: var(--clr-google-blue); }
.mockup-icon.rdt { background: rgba(255, 69, 0, 0.1); color: #FF4500; }

.mockup-text {
    flex-grow: 1;
}

.mockup-title {
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--clr-dark);
}

.mockup-meta {
    font-size: 0.75rem;
    color: var(--clr-dark-secondary);
}

/* Features Grid */
.border-top-glow {
    position: relative;
}

.border-top-glow::before {
    content: '';
    position: absolute;
    top: -6rem;
    left: 50%;
    transform: translateX(-50%);
    width: 100vw;
    height: 1px;
    background: linear-gradient(90deg, transparent, rgba(66,133,244,0.3), transparent);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 2rem;
}

.feature-card {
    background: var(--clr-white);
    padding: 2rem;
    border-radius: 16px;
    border: 1px solid var(--clr-border);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    height: 100%;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: var(--clr-google-blue-light);
}

.feature-icon {
    width: 60px;
    height: 60px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    transition: transform 0.3s ease;
}

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

.feature-title {
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
}

.feature-desc {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.feature-card-killer {
    border: 2px solid var(--clr-warning);
    background: linear-gradient(to bottom right, var(--clr-white), rgba(251, 188, 5, 0.05));
    position: relative;
    overflow: hidden;
}

.feature-card-killer:hover {
    box-shadow: 0 8px 25px rgba(251, 188, 5, 0.2);
    border-color: #f5b000;
}

.feature-card-killer::before {
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, transparent 50%, rgba(251, 188, 5, 0.2) 50%);
    z-index: 0;
}

.killer-badge {
    position: absolute;
    top: 12px;
    right: 12px;
    color: var(--clr-warning);
    font-size: 1.25rem;
    filter: drop-shadow(0 2px 4px rgba(251, 188, 5, 0.4));
    z-index: 2;
}

/* Platforms Section */
.platforms {
    background: linear-gradient(to bottom, var(--clr-white), var(--clr-light));
}

.platforms-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 3rem;
}

.platform-category h4 {
    font-size: 1.1rem;
    margin-bottom: 1.5rem;
    color: var(--clr-dark-secondary);
    text-transform: uppercase;
    letter-spacing: 1px;
    font-weight: 600;
}

.platform-icons {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
    gap: 1.5rem;
}

.p-icon {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.5rem;
    padding: 1rem;
    border-radius: 12px;
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    transition: var(--transition-base);
}

.p-icon:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: var(--clr-google-blue-light);
}

.p-icon i {
    font-size: 2rem;
}

.p-icon span {
    font-size: 0.8rem;
    font-weight: 500;
}

/* How It Works Section */
.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    margin-top: 3rem;
    position: relative;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 30px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: dashed 2px var(--clr-google-blue-light);
    z-index: 0;
}

@media (max-width: 900px) {
    .steps-container::before {
        display: none;
    }
}

.step-card {
    position: relative;
    z-index: 1;
    text-align: center;
    background: var(--clr-white);
    border-radius: 20px;
    padding: 2.5rem 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--clr-border);
    transition: var(--transition-base);
}

.step-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.step-number {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    color: var(--clr-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    font-weight: 700;
    margin: 0 auto 1.5rem;
    box-shadow: var(--shadow-glow);
}

.step-content h3 {
    margin-bottom: 1rem;
}

.step-visual {
    margin-top: 2rem;
    height: 120px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 16px;
    background: var(--clr-light);
    overflow: hidden;
}

.step-visual i {
    font-size: 3rem;
    width: 80px;
    height: 80px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 20px;
}

.bg-glass-blue {
    background: rgba(66, 133, 244, 0.1);
    color: var(--clr-google-blue);
}

.bg-glass-purple {
    background: rgba(161, 66, 244, 0.1);
    color: var(--clr-purple-accent);
}

.bg-glass-green {
    background: rgba(52, 168, 83, 0.1);
    color: var(--clr-success);
}

/* Pricing Section */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    max-width: 900px;
    margin: 0 auto;
    gap: 2rem;
}

.pricing-card {
    background: var(--clr-white);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    border: 1px solid var(--clr-border);
    box-shadow: var(--shadow-md);
    position: relative;
    display: flex;
    flex-direction: column;
    transition: var(--transition-base);
}

.pricing-card.free-tier {
    margin-top: 2rem;
    margin-bottom: 2rem;
}

.pricing-card.pro-tier {
    border: 2px solid var(--clr-google-blue);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
    transform: scale(1.05);
}

.popular-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: var(--shadow-sm);
}

.pricing-header {
    text-align: center;
    margin-bottom: 2rem;
    border-bottom: 1px solid var(--clr-border);
    padding-bottom: 2rem;
}

.pricing-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.price {
    display: flex;
    align-items: baseline;
    justify-content: center;
    margin-bottom: 1rem;
}

.currency {
    font-size: 1.5rem;
    font-weight: 600;
}

.amount {
    font-size: 4rem;
    font-weight: 800;
    font-family: var(--font-heading);
    line-height: 1;
}

.period {
    color: var(--clr-dark-secondary);
}

.pricing-desc {
    margin: 0;
}

.pricing-features {
    flex-grow: 1;
    margin-bottom: 2.5rem;
}

.pricing-features li {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-bottom: 1rem;
}

.pricing-features li i {
    color: var(--clr-success);
    margin-top: 5px;
}

.pricing-features li.unavailable {
    color: var(--clr-border);
}

.pricing-features li.unavailable i {
    color: var(--clr-border);
}

/* FAQ Section */
.faq-container {
    max-width: 800px;
    margin: 0 auto;
}

.faq-item {
    background: var(--clr-white);
    border: 1px solid var(--clr-border);
    border-radius: 12px;
    margin-bottom: 1rem;
    overflow: hidden;
    transition: var(--transition-base);
}

.faq-item.active {
    border-color: var(--clr-google-blue-light);
    box-shadow: var(--shadow-sm);
}

.faq-question {
    padding: 1.5rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    cursor: pointer;
}

.faq-question h4 {
    margin: 0;
    font-size: 1.1rem;
    font-weight: 600;
}

.faq-question i {
    color: var(--clr-google-blue);
    transition: transform 0.3s ease;
}

.faq-item.active .faq-question i {
    transform: rotate(180deg);
}

.faq-answer {
    padding: 0 1.5rem;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease, padding 0.3s ease;
}

.faq-item.active .faq-answer {
    padding: 0 1.5rem 1.5rem;
    max-height: 500px; /* Arbitrary large number */
}

.faq-answer p {
    margin: 0;
}

/* Footer */
.footer {
    background-color: var(--clr-dark);
    color: var(--clr-white);
    padding: 5rem 0 2rem;
}

.footer-container {
    display: flex;
    justify-content: space-between;
    gap: 4rem;
    margin-bottom: 4rem;
}

.footer-brand {
    flex: 1;
    max-width: 350px;
}

.footer-brand .logo {
    color: var(--clr-white);
    margin-bottom: 1.5rem;
}

.footer-desc {
    color: #a0aabf;
    font-size: 0.95rem;
}

.footer-links-group {
    display: flex;
    flex: 2;
    justify-content: space-between;
}

.footer-column h4 {
    color: var(--clr-white);
    margin-bottom: 1.5rem;
}

.footer-column ul li {
    margin-bottom: 0.75rem;
}

.footer-column ul a {
    color: #a0aabf;
}

.footer-column ul a:hover {
    color: var(--clr-white);
}

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding-top: 2rem;
    text-align: center;
    color: #a0aabf;
    font-size: 0.875rem;
}

/* =========================================================================
   RESPONSIVE
   ========================================================================= */
@media (max-width: 992px) {
    .hero-container {
        grid-template-columns: 1fr;
        text-align: center;
    }
    
    .hero-content {
        margin: 0 auto;
    }
    
    .hero-cta-group {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .pricing-grid {
        grid-template-columns: 1fr;
        max-width: 500px;
    }
    
    .pricing-card.pro-tier {
        transform: scale(1);
    }
    
    .platforms-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .nav-actions .btn {
        display: none;
    }
    
    .mobile-menu-btn {
        display: block;
    }
    
    .hero-headline {
        font-size: 2.5rem;
    }
    
    .steps-container {
        grid-template-columns: 1fr;
    }
    
    .footer-container {
        flex-direction: column;
    }
    
    .footer-links-group {
        flex-direction: column;
        gap: 2rem;
    }
}