/**
 * Brand Landing Page - Frontend Styles
 * Modern, premium design with CSS custom properties
 */

/* ================================================
   CSS Reset & Base
   ================================================ */
.blp-landing,
.blp-landing *,
.blp-landing *::before,
.blp-landing *::after {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

.blp-landing {
    --blp-font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
    --blp-font-display: 'Playfair Display', Georgia, 'Times New Roman', serif;
    --blp-white: #ffffff;
    --blp-black: #0a0a0a;
    --blp-gray-50: #fafafa;
    --blp-gray-100: #f5f5f5;
    --blp-gray-200: #e5e5e5;
    --blp-gray-300: #d4d4d4;
    --blp-gray-400: #a3a3a3;
    --blp-gray-500: #737373;
    --blp-gray-600: #525252;
    --blp-gray-700: #404040;
    --blp-gray-800: #262626;
    --blp-gray-900: #171717;
    --blp-transition: cubic-bezier(0.4, 0, 0.2, 1);
    --blp-shadow-sm: 0 1px 2px rgba(0,0,0,0.05);
    --blp-shadow-md: 0 4px 6px -1px rgba(0,0,0,0.1), 0 2px 4px -1px rgba(0,0,0,0.06);
    --blp-shadow-lg: 0 10px 15px -3px rgba(0,0,0,0.1), 0 4px 6px -2px rgba(0,0,0,0.05);
    --blp-shadow-xl: 0 20px 25px -5px rgba(0,0,0,0.1), 0 10px 10px -5px rgba(0,0,0,0.04);

    font-family: var(--blp-font-primary);
    color: var(--blp-gray-900);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    overflow-x: hidden;
}

.blp-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ================================================
   Navigation
   ================================================ */
.blp-nav {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 0 24px;
    transition: all 0.4s var(--blp-transition);
    background: transparent;
}

.blp-nav.blp-nav-scrolled {
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px) saturate(180%);
    -webkit-backdrop-filter: blur(20px) saturate(180%);
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 20px rgba(0, 0, 0, 0.04);
}

.blp-nav-inner {
    max-width: 1280px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    transition: height 0.4s var(--blp-transition);
}

.blp-nav.blp-nav-scrolled .blp-nav-inner {
    height: 60px;
}

.blp-nav-logo {
    text-decoration: none;
    display: flex;
    align-items: center;
}

.blp-nav-logo img {
    height: auto;
    transition: opacity 0.3s ease;
}

.blp-logo-dark {
    display: none;
}

.blp-nav:not(.blp-nav-scrolled) .blp-logo-light {
    filter: brightness(0) invert(1);
}

.blp-nav:not(.blp-nav-scrolled) .blp-logo-dark {
    display: block;
}

.blp-nav:not(.blp-nav-scrolled) .blp-logo-light:has(~ .blp-logo-dark) {
    display: none;
}

.blp-nav-brand-text {
    font-family: var(--blp-font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--blp-white);
    letter-spacing: 0.05em;
    transition: color 0.4s var(--blp-transition);
}

.blp-nav.blp-nav-scrolled .blp-nav-brand-text {
    color: var(--blp-gray-900);
}

.blp-nav-links {
    display: flex;
    align-items: center;
    gap: 8px;
}

.blp-nav-link {
    font-size: 0.875rem;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    padding: 8px 16px;
    border-radius: 8px;
    transition: all 0.3s var(--blp-transition);
    letter-spacing: 0.01em;
}

.blp-nav.blp-nav-scrolled .blp-nav-link {
    color: var(--blp-gray-600);
}

.blp-nav-link:hover {
    color: var(--blp-white);
    background: rgba(255, 255, 255, 0.12);
}

.blp-nav.blp-nav-scrolled .blp-nav-link:hover {
    color: var(--blp-gray-900);
    background: var(--blp-gray-100);
}

.blp-nav-cta {
    font-size: 0.875rem;
    font-weight: 600;
    color: var(--blp-black) !important;
    background: var(--blp-primary);
    text-decoration: none;
    padding: 10px 24px;
    border-radius: 100px;
    margin-left: 8px;
    transition: all 0.3s var(--blp-transition);
    letter-spacing: 0.01em;
}

.blp-nav-cta:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(var(--blp-primary-rgb), 0.4);
}

/* Mobile Toggle */
.blp-nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 8px;
    transition: background 0.3s;
}

.blp-nav-toggle:hover {
    background: rgba(255, 255, 255, 0.1);
}

.blp-nav.blp-nav-scrolled .blp-nav-toggle:hover {
    background: var(--blp-gray-100);
}

.blp-nav-toggle span {
    display: block;
    width: 100%;
    height: 2px;
    background: var(--blp-white);
    border-radius: 2px;
    transition: all 0.3s var(--blp-transition);
}

.blp-nav.blp-nav-scrolled .blp-nav-toggle span {
    background: var(--blp-gray-800);
}

.blp-nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
}

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

.blp-nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
}

/* ================================================
   Hero Section
   ================================================ */
.blp-hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: var(--blp-secondary);
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    overflow: hidden;
}

.blp-hero-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(
        135deg,
        rgba(var(--blp-secondary-rgb), 0.85) 0%,
        rgba(var(--blp-secondary-rgb), 0.6) 50%,
        rgba(var(--blp-secondary-rgb), 0.75) 100%
    );
    z-index: 1;
}

.blp-hero-particles {
    position: absolute;
    inset: 0;
    z-index: 2;
    overflow: hidden;
}

.blp-hero-particle {
    position: absolute;
    width: 2px;
    height: 2px;
    background: rgba(var(--blp-primary-rgb), 0.4);
    border-radius: 50%;
    animation: blp-float linear infinite;
}

@keyframes blp-float {
    0% {
        transform: translateY(100vh) scale(0);
        opacity: 0;
    }
    10% {
        opacity: 1;
    }
    90% {
        opacity: 1;
    }
    100% {
        transform: translateY(-10vh) scale(1);
        opacity: 0;
    }
}

.blp-hero-content {
    position: relative;
    z-index: 3;
    text-align: center;
    max-width: 800px;
    padding: 0 24px;
}

.blp-hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 20px;
    background: rgba(var(--blp-primary-rgb), 0.15);
    border: 1px solid rgba(var(--blp-primary-rgb), 0.3);
    border-radius: 100px;
    margin-bottom: 32px;
    font-size: 0.8rem;
    font-weight: 600;
    letter-spacing: 0.12em;
    text-transform: uppercase;
    color: var(--blp-primary);
}

.blp-hero-badge-dot {
    width: 6px;
    height: 6px;
    background: var(--blp-primary);
    border-radius: 50%;
    animation: blp-pulse 2s ease-in-out infinite;
}

@keyframes blp-pulse {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.5; transform: scale(1.5); }
}

.blp-hero-title {
    font-family: var(--blp-font-display);
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 700;
    color: var(--blp-white);
    line-height: 1.1;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.blp-hero-subtitle {
    font-size: clamp(1rem, 2vw, 1.25rem);
    color: rgba(255, 255, 255, 0.7);
    max-width: 600px;
    margin: 0 auto 40px;
    line-height: 1.7;
    font-weight: 300;
}

.blp-hero-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 16px;
    flex-wrap: wrap;
}

/* Buttons */
.blp-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    padding: 14px 32px;
    font-family: var(--blp-font-primary);
    font-size: 0.9375rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 100px;
    border: none;
    cursor: pointer;
    transition: all 0.4s var(--blp-transition);
    letter-spacing: 0.01em;
}

.blp-btn-primary {
    background: var(--blp-primary);
    color: var(--blp-black);
}

.blp-btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(var(--blp-primary-rgb), 0.4);
}

.blp-btn-primary svg {
    transition: transform 0.3s var(--blp-transition);
}

.blp-btn-primary:hover svg {
    transform: translateX(4px);
}

.blp-btn-outline {
    background: transparent;
    color: var(--blp-white);
    border: 1.5px solid rgba(255, 255, 255, 0.3);
}

.blp-btn-outline:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: rgba(255, 255, 255, 0.5);
    transform: translateY(-2px);
}

/* Scroll Indicator */
.blp-hero-scroll {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 3;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 12px;
    color: rgba(255, 255, 255, 0.5);
    font-size: 0.75rem;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    animation: blp-bounce 2s ease-in-out infinite;
}

.blp-scroll-indicator {
    width: 24px;
    height: 40px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 12px;
    display: flex;
    justify-content: center;
    padding-top: 8px;
}

.blp-scroll-dot {
    width: 4px;
    height: 8px;
    background: rgba(255, 255, 255, 0.6);
    border-radius: 2px;
    animation: blp-scroll-move 2s ease-in-out infinite;
}

@keyframes blp-scroll-move {
    0%, 100% { transform: translateY(0); opacity: 1; }
    50% { transform: translateY(12px); opacity: 0.3; }
}

@keyframes blp-bounce {
    0%, 100% { transform: translateX(-50%) translateY(0); }
    50% { transform: translateX(-50%) translateY(8px); }
}

/* ================================================
   Features Section
   ================================================ */
.blp-features {
    padding: 120px 0;
    background: var(--blp-gray-50);
}

.blp-section-header {
    text-align: center;
    margin-bottom: 72px;
}

.blp-section-tag {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 0.15em;
    text-transform: uppercase;
    color: var(--blp-primary);
    background: rgba(var(--blp-primary-rgb), 0.1);
    padding: 6px 16px;
    border-radius: 100px;
    margin-bottom: 16px;
}

.blp-section-title {
    font-family: var(--blp-font-display);
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 600;
    color: var(--blp-gray-900);
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.blp-features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
}

.blp-feature-item {
    position: relative;
    padding: 40px 32px;
    background: var(--blp-white);
    border-radius: 20px;
    border: 1px solid var(--blp-gray-200);
    transition: all 0.4s var(--blp-transition);
    overflow: hidden;
}

.blp-feature-item::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--blp-primary), var(--blp-accent));
    opacity: 0;
    transition: opacity 0.4s var(--blp-transition);
}

.blp-feature-item:hover {
    transform: translateY(-8px);
    box-shadow: var(--blp-shadow-xl);
    border-color: transparent;
}

.blp-feature-item:hover::before {
    opacity: 1;
}

.blp-feature-icon {
    width: 64px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(var(--blp-primary-rgb), 0.1);
    border-radius: 16px;
    margin-bottom: 24px;
    color: var(--blp-primary);
    transition: all 0.4s var(--blp-transition);
}

.blp-feature-item:hover .blp-feature-icon {
    background: var(--blp-primary);
    color: var(--blp-black);
    transform: scale(1.05);
}

.blp-feature-image {
    width: 100%;
    height: 200px;
    border-radius: 12px;
    overflow: hidden;
    margin-bottom: 24px;
}

.blp-feature-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.6s var(--blp-transition);
}

.blp-feature-item:hover .blp-feature-image img {
    transform: scale(1.08);
}

.blp-feature-title {
    font-family: var(--blp-font-primary);
    font-size: 1.2rem;
    font-weight: 700;
    color: var(--blp-gray-900);
    margin-bottom: 12px;
    letter-spacing: -0.01em;
}

.blp-feature-desc {
    font-size: 0.9375rem;
    color: var(--blp-gray-500);
    line-height: 1.7;
}

/* ================================================
   About Section
   ================================================ */
.blp-about {
    padding: 120px 0;
    background: var(--blp-white);
    overflow: hidden;
}

.blp-about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 80px;
    align-items: center;
}

.blp-about-image-wrapper {
    position: relative;
}

.blp-about-image-wrapper img {
    width: 100%;
    height: auto;
    border-radius: 24px;
    position: relative;
    z-index: 2;
    box-shadow: var(--blp-shadow-xl);
}

.blp-about-image-accent {
    position: absolute;
    bottom: -16px;
    right: -16px;
    width: 60%;
    height: 60%;
    background: linear-gradient(135deg, var(--blp-primary), var(--blp-accent));
    border-radius: 24px;
    z-index: 1;
    opacity: 0.3;
}

.blp-about-content .blp-section-tag {
    display: inline-block;
    margin-bottom: 16px;
}

.blp-about-title {
    font-family: var(--blp-font-display);
    font-size: clamp(2rem, 3.5vw, 2.75rem);
    font-weight: 600;
    color: var(--blp-gray-900);
    line-height: 1.2;
    margin-bottom: 24px;
    letter-spacing: -0.02em;
}

.blp-about-text {
    font-size: 1.0625rem;
    color: var(--blp-gray-600);
    line-height: 1.8;
    margin-bottom: 40px;
}

.blp-about-text p {
    margin-bottom: 16px;
}

.blp-about-text p:last-child {
    margin-bottom: 0;
}

/* Stats */
.blp-about-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 32px;
    padding-top: 32px;
    border-top: 1px solid var(--blp-gray-200);
}

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

.blp-stat-number {
    font-family: var(--blp-font-display);
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--blp-gray-900);
    line-height: 1;
    display: inline;
}

.blp-stat-suffix {
    font-family: var(--blp-font-display);
    font-size: 2rem;
    font-weight: 700;
    color: var(--blp-primary);
}

.blp-stat-label {
    display: block;
    font-size: 0.8125rem;
    color: var(--blp-gray-500);
    margin-top: 4px;
    font-weight: 500;
}

/* ================================================
   Footer
   ================================================ */
.blp-footer {
    background: var(--blp-secondary);
    padding: 60px 0 40px;
}

.blp-footer-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.blp-footer-logo {
    height: auto;
    filter: brightness(0) invert(1);
    opacity: 0.9;
}

.blp-footer-brand-text {
    font-family: var(--blp-font-display);
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--blp-white);
    letter-spacing: 0.05em;
}

.blp-footer-social {
    display: flex;
    align-items: center;
    gap: 12px;
}

.blp-social-icon {
    width: 42px;
    height: 42px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.08);
    color: rgba(255, 255, 255, 0.7);
    text-decoration: none;
    transition: all 0.3s var(--blp-transition);
}

.blp-social-icon:hover {
    background: var(--blp-primary);
    color: var(--blp-black);
    transform: translateY(-3px);
}

.blp-footer-bottom {
    padding-top: 32px;
    text-align: center;
}

.blp-footer-bottom p {
    font-size: 0.875rem;
    color: rgba(255, 255, 255, 0.4);
}

/* ================================================
   Animations
   ================================================ */
.blp-animate {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s var(--blp-transition), transform 0.8s var(--blp-transition);
}

.blp-animate[data-animate="fade-down"] {
    transform: translateY(-30px);
}

.blp-animate[data-animate="fade-right"] {
    transform: translateX(-40px);
}

.blp-animate[data-animate="fade-left"] {
    transform: translateX(40px);
}

.blp-animate.blp-visible {
    opacity: 1;
    transform: translate(0, 0);
}

/* ================================================
   Responsive
   ================================================ */
@media (max-width: 1024px) {
    .blp-features-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .blp-about-grid {
        gap: 48px;
    }
}

@media (max-width: 768px) {
    /* Navigation Mobile */
    .blp-nav-toggle {
        display: flex;
    }

    .blp-nav-links {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        bottom: 0;
        background: rgba(var(--blp-secondary-rgb), 0.98);
        backdrop-filter: blur(20px);
        -webkit-backdrop-filter: blur(20px);
        flex-direction: column;
        justify-content: center;
        align-items: center;
        gap: 8px;
        opacity: 0;
        visibility: hidden;
        transition: all 0.4s var(--blp-transition);
        z-index: 999;
    }

    .blp-nav-links.blp-nav-open {
        opacity: 1;
        visibility: visible;
    }

    .blp-nav-link {
        font-size: 1.25rem;
        color: rgba(255, 255, 255, 0.85) !important;
        padding: 12px 24px;
    }

    .blp-nav-cta {
        margin-left: 0;
        margin-top: 16px;
        font-size: 1rem;
        padding: 14px 32px;
    }

    .blp-nav-toggle {
        z-index: 1001;
    }

    /* Hero Mobile */
    .blp-hero {
        min-height: 100svh;
    }

    .blp-hero-content {
        padding: 0 20px;
    }

    .blp-hero-badge {
        font-size: 0.7rem;
    }

    .blp-hero-actions {
        flex-direction: column;
        width: 100%;
        max-width: 320px;
        margin: 0 auto;
    }

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

    .blp-hero-scroll {
        display: none;
    }

    /* Features Mobile */
    .blp-features {
        padding: 80px 0;
    }

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

    .blp-section-header {
        margin-bottom: 48px;
    }

    /* About Mobile */
    .blp-about {
        padding: 80px 0;
    }

    .blp-about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .blp-about-image {
        order: -1;
    }

    .blp-about-stats {
        gap: 20px;
    }

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

    /* Footer Mobile */
    .blp-footer-top {
        flex-direction: column;
        gap: 24px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .blp-about-stats {
        grid-template-columns: 1fr;
        gap: 16px;
    }

    .blp-feature-item {
        padding: 28px 24px;
    }
}