/* ============================================
   DESIGN SYSTEM TOKENS
   ============================================ */
:root {
    /* Colors - Background */
    --color-bg-primary: #000000;
    --color-bg-secondary: #0a0a0a;

    /* Colors - Text */
    --color-text-primary: #ffffff;
    --color-text-secondary: rgba(255, 255, 255, 0.8);
    --color-text-tertiary: rgba(255, 255, 255, 0.6);

    /* Colors - Accent */
    --color-accent-primary: #0099ff;
    --color-accent-primary-hover: #1aa3ff;
    --color-accent-secondary: #0066ff;
    --color-accent-secondary-hover: #1a7dff;
    --color-accent-tertiary: #4d9fff;

    /* Colors - Special */
    --color-logo: #ffffff;

    /* Opacity */
    --opacity-low: 0.05;
    --opacity-medium: 0.1;
    --opacity-high: 0.2;
    --opacity-overlay: 0.4;
    --opacity-backdrop: 0.6;
    --opacity-strong: 0.8;
    --opacity-full: 0.95;

    /* Glass/Overlay Effects */
    --glass-bg: rgba(255, 255, 255, var(--opacity-low));
    --glass-bg-hover: rgba(255, 255, 255, 0.08); /* Slightly higher than low opacity for hover state */
    --glass-border: rgba(255, 255, 255, var(--opacity-medium));
    --glass-border-hover: rgba(255, 255, 255, var(--opacity-high));
    --overlay-dark: rgba(0, 0, 0, var(--opacity-overlay));
    --overlay-dark-strong: rgba(0, 0, 0, var(--opacity-full));

    /* Gradients */
    --gradient-primary: radial-gradient(ellipse 80% 60% at 30% 40%, rgba(0, 153, 255, 0.4) 0%, rgba(77, 159, 255, 0.3) 50%, transparent 80%);
    --gradient-secondary: radial-gradient(ellipse 60% 80% at 70% 60%, rgba(0, 102, 255, 0.3) 0%, rgba(0, 153, 255, 0.2) 50%, transparent 80%);
    --gradient-overlay: linear-gradient(180deg, rgba(0, 0, 0, 0.4) 0%, rgba(0, 0, 0, 0.8) 100%);
    --gradient-pricing-featured: linear-gradient(135deg, rgba(0, 153, 255, 0.1) 0%, rgba(77, 159, 255, 0.1) 100%);

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;

    /* Typography */
    --font-family: 'Inter', sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.25rem;
    --font-size-xl: 1.5rem;
    --font-size-2xl: 2rem;
    --font-size-3xl: 3rem;
    --font-size-4xl: 4rem;

    --font-weight-normal: 400;
    --font-weight-medium: 500;
    --font-weight-semibold: 600;
    --font-weight-bold: 700;
    --font-weight-extrabold: 800;
    --font-weight-black: 900;

    --letter-spacing-tight: -2px;
    --letter-spacing-normal: -1px;
    --letter-spacing-wide: 1px;
    --letter-spacing-wider: 1.5px;
    --letter-spacing-widest: 2px;
    --letter-spacing-extra: 3px;

    /* Border */
    --border-width-thin: 1px;
    --border-width-medium: 2px;
    --border-width-thick: 3px;
    --border-color-default: rgba(255, 255, 255, var(--opacity-medium));
    --border-color-hover: rgba(255, 255, 255, var(--opacity-high));

    /* Border Radius */
    --radius-sm: 4px;
    --radius-md: 8px;
    --radius-lg: 12px;
    --radius-xl: 20px;
    --radius-full: 50px;

    /* Shadows */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5);
    --shadow-primary: 0 4px 20px rgba(0, 153, 255, 0.4);
    --shadow-primary-hover: 0 6px 30px rgba(0, 153, 255, 0.6);
    --shadow-secondary: 0 4px 20px rgba(0, 102, 255, 0.4);
    --shadow-secondary-hover: 0 6px 30px rgba(0, 102, 255, 0.6);

    /* Transitions */
    --transition-fast: 0.2s ease;
    --transition-base: 0.3s ease;
    --transition-slow: 0.8s ease;

    /* Z-Index */
    --z-index-background: -1;
    --z-index-base: 1;
    --z-index-stacked: 2;
    --z-index-dropdown: 999;
    --z-index-header: 1000;
    --z-index-overlay: 1001;

    /* Blur */
    --blur-sm: 10px;
    --blur-md: 15px;
    --blur-lg: 20px;
}

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

body {
    font-family: var(--font-family);
    line-height: 1.6;
    color: var(--color-text-primary);
    background: var(--color-bg-primary);
    overflow-x: hidden;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    position: relative;
    min-height: 100vh;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

main {
    position: relative;
    z-index: 1;
}

/* ============================================
   BLURRED GRADIENT BACKGROUND - ÚNICO
   ============================================ */
.blurred-gradient-background {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: var(--z-index-background);
    pointer-events: none;
    background-color: var(--overlay-dark);
    background-image: linear-gradient(
        to bottom right,
        rgba(0, 0, 0, var(--opacity-backdrop)) 0%,
        rgba(20, 20, 30, 0.5) 25%,
        rgba(30, 10, 40, 0.5) 50%,
        rgba(20, 20, 30, 0.5) 75%,
        rgba(0, 0, 0, var(--opacity-backdrop)) 100%
    );
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    overflow: hidden;
}

/* Gradiente adicional para mais profundidade */
.blurred-gradient-background::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        ellipse at center,
        rgba(77, 159, 255, 0.15) 0%,
        rgba(0, 153, 255, 0.1) 30%,
        transparent 70%
    );
    animation: float 30s ease-in-out infinite;
    opacity: var(--opacity-strong);
}

.blurred-gradient-background::after {
    content: '';
    position: absolute;
    bottom: -50%;
    right: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(
        ellipse at center,
        rgba(0, 102, 255, 0.12) 0%,
        rgba(77, 159, 255, 0.08) 30%,
        transparent 70%
    );
    animation: float 35s ease-in-out infinite reverse;
    opacity: 0.7; /* Specific animation opacity */
}

@keyframes float {
    0%, 100% {
        transform: translate(0, 0) scale(1);
    }
    33% {
        transform: translate(30px, -30px) scale(1.1);
    }
    66% {
        transform: translate(-20px, 20px) scale(0.9);
    }
}

/* ============================================
   BUTTON COMPONENTS
   ============================================ */
.btn {
    display: inline-block;
    padding: 14px 32px;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    text-decoration: none;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    border-radius: var(--radius-md);
    border: none;
    cursor: pointer;
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn-primary {
    background: var(--color-accent-primary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-primary);
}

.btn-primary:hover {
    background: var(--color-accent-primary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-primary-hover);
}

.btn-secondary {
    background: var(--color-accent-secondary);
    color: var(--color-text-primary);
    box-shadow: var(--shadow-secondary);
}

.btn-secondary:hover {
    background: var(--color-accent-secondary-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-secondary-hover);
}

.btn-outline {
    background: transparent;
    color: var(--color-text-primary);
    border: var(--border-width-medium) solid var(--color-text-primary);
}

.btn-outline:hover {
    background: var(--color-text-primary);
    color: var(--color-bg-primary);
}

.btn-large {
    padding: 18px 45px;
    font-size: var(--font-size-base);
}

.btn-block {
    display: block;
    width: 100%;
}

.btn-header {
    padding: 10px 24px;
    font-size: var(--font-size-xs);
}

/* ============================================
   HEADER COMPONENT
   ============================================ */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background: rgba(0, 0, 0, var(--opacity-strong));
    backdrop-filter: blur(var(--blur-lg));
    border-bottom: var(--border-width-thin) solid var(--glass-border);
    padding: var(--spacing-sm) 0;
    z-index: var(--z-index-header);
}

.header-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: var(--spacing-md);
}

.logo {
    display: flex;
    align-items: center;
    color: var(--color-logo);
    transition: color var(--transition-base);
}

.logo svg {
    height: 40px;
    width: auto;
    max-width: 201px;
}

.logo svg path,
.logo svg rect {
    fill: currentColor;
}

.nav-menu {
    display: flex;
    gap: var(--spacing-md);
    align-items: center;
}

.nav-link {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    transition: color var(--transition-base);
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: var(--border-width-medium);
    background: var(--color-accent-primary);
    transition: width var(--transition-base);
}

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

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

.mobile-menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: transparent;
    border: none;
    cursor: pointer;
    padding: 8px;
    z-index: var(--z-index-overlay);
    position: relative;
}

.mobile-menu-toggle span {
    width: 25px;
    height: var(--border-width-medium);
    background: var(--color-text-primary);
    transition: all var(--transition-base);
    display: block;
}

.mobile-menu-toggle.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

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

.mobile-menu-toggle.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ============================================
   HERO SECTION
   ============================================ */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    padding-top: 80px;
    padding-bottom: var(--spacing-xl);
    overflow: hidden;
    z-index: var(--z-index-base);
}

.hero-grid {
    position: relative;
    z-index: var(--z-index-base);
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
    align-items: center;
}

.hero-content {
    position: relative;
    z-index: var(--z-index-stacked);
}

.hero-badge {
    display: inline-block;
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-bold);
    color: var(--color-accent-primary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-extra);
    margin-bottom: var(--spacing-md);
}

.hero-title {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    line-height: 1.1;
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--letter-spacing-tight);
}

.hero-date {
    font-size: var(--font-size-xl);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--letter-spacing-wide);
}

.hero-description {
    font-size: var(--font-size-lg);
    color: var(--color-text-secondary);
    margin-bottom: var(--spacing-lg);
    line-height: 1.8;
    max-width: 500px;
}

.hero-side {
    position: relative;
    z-index: var(--z-index-stacked);
}

.video-preview {
    margin-bottom: var(--spacing-lg);
}

.video-thumbnail {
    position: relative;
    width: 100%;
    height: 300px;
    background: var(--color-bg-secondary);
    border-radius: var(--radius-lg);
    overflow: hidden;
    display: flex;
    align-items: center;
    justify-content: center;
}

.play-icon {
    cursor: pointer;
    transition: transform var(--transition-base);
}

.play-icon:hover {
    transform: scale(1.1);
}

/* ============================================
   COUNTDOWN COMPONENT
   ============================================ */
.countdown {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-sm);
}

.countdown-item {
    background: var(--glass-bg);
    backdrop-filter: blur(var(--blur-sm));
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-md);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
}

.countdown-item:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
}

.countdown-number {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    color: var(--color-text-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
    font-variant-numeric: tabular-nums;
    transition: transform var(--transition-fast), opacity var(--transition-fast);
}

.countdown-label {
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wider);
}

/* ============================================
   SECTION COMPONENT
   ============================================ */
.section {
    position: relative;
    padding: var(--spacing-xl) 0;
    overflow: hidden;
    z-index: var(--z-index-base);
}

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: var(--font-weight-black);
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--letter-spacing-normal);
}

.section-description {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
}

.section-info {
    font-size: var(--font-size-base);
    color: var(--color-text-secondary);
    text-align: center;
    max-width: 700px;
    margin: 0 auto var(--spacing-lg);
    line-height: 1.8;
    padding: var(--spacing-md);
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-md);
}

/* ============================================
   STATS COMPONENT
   ============================================ */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin: var(--spacing-lg) auto;
    max-width: 900px;
}

.stat-card {
    text-align: center;
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    backdrop-filter: blur(var(--blur-md));
    -webkit-backdrop-filter: blur(var(--blur-md));
    transition: all var(--transition-base);
}

.stat-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-3px);
}

.stat-number {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    color: var(--color-accent-primary);
    line-height: 1;
    margin-bottom: var(--spacing-xs);
}

.stat-label {
    font-size: var(--font-size-sm);
    font-weight: var(--font-weight-semibold);
    color: var(--color-text-tertiary);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-widest);
}

/* ============================================
   CTA GROUP COMPONENT
   ============================================ */
.cta-group {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin: var(--spacing-lg) 0;
    flex-wrap: wrap;
}

.theme-box {
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-lg);
    text-align: center;
    margin-top: var(--spacing-lg);
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.theme-text {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-sm);
    letter-spacing: var(--letter-spacing-widest);
}

.theme-verse {
    font-size: var(--font-size-lg);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-semibold);
    font-style: italic;
}

/* ============================================
   SPEAKERS COMPONENT
   ============================================ */
.section-speakers .container {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.speakers-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    justify-items: center;
    align-items: start;
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
    width: 100%;
    max-width: 1200px;
}

.speaker-card {
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    padding: var(--spacing-md);
    text-align: center;
    transition: all var(--transition-base);
    width: 100%;
    max-width: 200px;
    min-height: 280px;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    box-sizing: border-box;
    overflow: visible;
}

.speaker-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-5px);
}

.speaker-avatar {
    width: 120px;
    height: 120px;
    border-radius: var(--radius-full);
    background: var(--color-bg-secondary);
    margin: 0 auto var(--spacing-sm);
    border: var(--border-width-thick) solid var(--glass-border);
    flex-shrink: 0;
}

.speaker-name {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-xs);
    margin-top: 0;
    line-height: 1.3;
    min-height: 2.6em;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    word-wrap: break-word;
    flex-shrink: 0;
}

.speaker-role {
    font-size: var(--font-size-sm);
    color: var(--color-text-tertiary);
    margin-bottom: 0;
    margin-top: 0;
    line-height: 1.4;
    min-height: 1.4em;
    display: flex;
    align-items: center;
    justify-content: center;
    text-align: center;
    flex-shrink: 0;
}

.speaker-date {
    font-size: var(--font-size-xs);
    color: var(--color-accent-primary);
    font-weight: var(--font-weight-semibold);
    margin-top: var(--spacing-xs);
    letter-spacing: var(--letter-spacing-wide);
}

/* ============================================
   PRICING COMPONENT
   ============================================ */
.pricing-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-top: var(--spacing-lg);
}

.pricing-card {
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-xl);
    padding: var(--spacing-lg);
    text-align: center;
    transition: all var(--transition-base);
    position: relative;
}

.pricing-card:hover {
    background: var(--glass-bg-hover);
    border-color: var(--glass-border-hover);
    transform: translateY(-10px);
}

.pricing-card.disabled {
    opacity: 0.6;
    pointer-events: none;
}

.pricing-card.disabled:hover {
    background: var(--glass-bg);
    border-color: var(--glass-border);
    transform: translateY(0);
    cursor: not-allowed;
}

.pricing-card.featured {
    border-color: var(--color-accent-primary);
    background: var(--gradient-pricing-featured);
}

.pricing-badge {
    display: inline-block;
    background: var(--color-accent-primary);
    color: var(--color-text-primary);
    padding: 6px 16px;
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: var(--font-weight-bold);
    text-transform: uppercase;
    letter-spacing: var(--letter-spacing-wide);
    margin-bottom: var(--spacing-md);
}

.pricing-price {
    margin: var(--spacing-md) 0;
}

.currency {
    font-size: var(--font-size-lg);
    font-weight: var(--font-weight-semibold);
    vertical-align: top;
    color: var(--color-text-tertiary);
}

.amount {
    font-size: var(--font-size-4xl);
    font-weight: var(--font-weight-black);
    color: var(--color-text-primary);
    line-height: 1;
}

.pricing-features {
    list-style: none;
    margin: var(--spacing-md) 0;
    text-align: left;
}

.pricing-features li {
    padding: var(--spacing-xs) 0;
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
}

.pricing-info {
    margin: var(--spacing-md) 0;
    padding-top: var(--spacing-md);
    border-top: var(--border-width-thin) solid var(--glass-border);
}

.pricing-info p {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    margin: var(--spacing-xs) 0;
}

.pricing-limit {
    color: var(--color-accent-primary) !important;
    font-size: var(--font-size-xs) !important;
    font-weight: var(--font-weight-bold) !important;
    margin-top: var(--spacing-sm) !important;
}

.pricing-other {
    margin-top: var(--spacing-xl);
    padding: var(--spacing-lg);
    background: var(--glass-bg);
    border: var(--border-width-thin) solid var(--glass-border);
    border-radius: var(--radius-lg);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-other-title {
    font-size: var(--font-size-xl);
    font-weight: var(--font-weight-bold);
    color: var(--color-text-primary);
    text-align: center;
    margin-bottom: var(--spacing-md);
    letter-spacing: var(--letter-spacing-wide);
}

.pricing-other-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-md);
}

.pricing-other-item {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.6;
    text-align: center;
}

.pricing-note {
    text-align: center;
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    font-style: italic;
    margin-top: var(--spacing-md);
}

.pricing-whatsapp {
    margin-top: var(--spacing-lg);
    padding: var(--spacing-md);
    background: rgba(0, 102, 255, 0.1);
    border: var(--border-width-thin) solid var(--color-accent-secondary);
    border-radius: var(--radius-md);
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
}

.pricing-whatsapp p {
    color: var(--color-text-secondary);
    font-size: var(--font-size-sm);
    line-height: 1.8;
    text-align: center;
    margin: 0;
}

/* ============================================
   FOOTER COMPONENT
   ============================================ */
.footer {
    background: var(--color-bg-secondary);
    padding: var(--spacing-xl) 0 var(--spacing-md);
    border-top: var(--border-width-thin) solid var(--glass-border);
}

.footer-content {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-lg);
}

.footer-section h4 {
    font-size: var(--font-size-base);
    font-weight: var(--font-weight-bold);
    margin-bottom: var(--spacing-sm);
    color: var(--color-text-primary);
}

.footer-text {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-address {
    margin-top: 24px;
}

.footer-link {
    display: block;
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    transition: color var(--transition-base);
}

.footer-link:hover {
    color: var(--color-text-primary);
}

.footer-contact-link {
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
    color: var(--color-text-tertiary);
    text-decoration: none;
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
    transition: all var(--transition-base);
}

.footer-contact-link svg {
    flex-shrink: 0;
    color: var(--color-text-tertiary);
    transition: color var(--transition-base);
}

.footer-contact-link:hover {
    color: var(--color-text-primary);
}

.footer-contact-link:hover svg {
    color: var(--color-accent-primary);
}

.footer-bottom {
    text-align: center;
    padding-top: var(--spacing-md);
    border-top: var(--border-width-thin) solid var(--glass-border);
}

.footer-bottom p {
    color: var(--color-text-tertiary);
    font-size: var(--font-size-sm);
    margin-bottom: var(--spacing-xs);
}

.footer-verse {
    color: var(--color-accent-primary);
    font-style: italic;
    font-weight: var(--font-weight-medium);
}

/* ============================================
   RESPONSIVE DESIGN
   ============================================ */
@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .hero-title {
        font-size: var(--font-size-3xl);
    }

    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .pricing-grid {
        grid-template-columns: 1fr;
    }

    .pricing-other-grid {
        grid-template-columns: 1fr;
    }

    .speakers-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: var(--spacing-sm);
    }

    .speaker-card {
        width: 100%;
        max-width: 180px;
        min-height: 260px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 var(--spacing-sm);
    }

    .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        right: 0;
        background: var(--overlay-dark-strong);
        backdrop-filter: blur(var(--blur-lg));
        flex-direction: column;
        padding: var(--spacing-md);
        transform: translateX(-100%);
        transition: transform var(--transition-base);
        z-index: var(--z-index-dropdown);
        height: calc(100vh - 70px);
        overflow-y: auto;
        gap: var(--spacing-sm);
    }

    .nav-menu.active {
        transform: translateX(0);
    }

    .nav-link {
        padding: var(--spacing-sm) 0;
        width: 100%;
        text-align: center;
    }

    .mobile-menu-toggle {
        display: flex;
    }

    .btn-header {
        display: none;
    }

    .hero {
        padding-top: 100px;
    }

    .hero-title {
        font-size: var(--font-size-4xl);
        letter-spacing: var(--letter-spacing-normal);
    }

    .hero-date {
        font-size: var(--font-size-lg);
    }

    .countdown {
        grid-template-columns: repeat(2, 1fr);
    }

    .countdown-number {
        font-size: var(--font-size-2xl);
    }

    .section-title {
        font-size: var(--font-size-2xl);
    }

    .stats-grid {
        grid-template-columns: 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .speakers-grid {
        grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
        gap: var(--spacing-xs);
    }

    .speaker-card {
        width: 100%;
        max-width: 160px;
        min-width: 160px;
        min-height: 240px;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: var(--font-size-3xl);
        letter-spacing: var(--letter-spacing-normal);
    }

    .countdown-number {
        font-size: var(--font-size-xl);
    }

    .btn {
        padding: 12px 24px;
        font-size: var(--font-size-xs);
    }

    .btn-large {
        padding: 14px 32px;
    }

    .speakers-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-xs);
    }

    .speaker-card {
        width: 100%;
        max-width: 100%;
        min-width: 0;
        min-height: 220px;
    }
}

/* ============================================
   WHATSAPP FLOATING BUTTON
   ============================================ */
.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background: #25D366;
    border-radius: var(--radius-full);
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px rgba(37, 211, 102, 0.4);
    z-index: var(--z-index-header);
    transition: all var(--transition-base);
    color: var(--color-text-primary);
    text-decoration: none;
}

.whatsapp-float:hover {
    transform: translateY(-4px) scale(1.05);
    box-shadow: 0 6px 24px rgba(37, 211, 102, 0.6);
    background: #20BA5A;
}

.whatsapp-float svg {
    width: 28px;
    height: 28px;
    color: var(--color-text-primary);
}

@media (max-width: 768px) {
    .whatsapp-float {
        width: 56px;
        height: 56px;
        bottom: 20px;
        right: 20px;
    }

    .whatsapp-float.near-footer {
        bottom: 120px;
    }

    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
}