/* Google Fonts - Poppins */
@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700;800&display=swap');

/* CSS Variables */
:root {
    --dark-navy: #1B242D;
    --teal: #5C99A4;
    --steel-blue: #3F7296;
    --white: #FFFFFF;
    --light-gray: #F3F4F6;
    --gray-50: #f9fafb;
    --gray-100: #f3f4f6;
    --gray-200: #e5e7eb;
    --gray-300: #d1d5db;
    --gray-400: #9ca3af;
    --gray-500: #6b7280;
    --gray-600: #4b5563;
    --gray-800: #1f2937;
    --gray-900: #111827;
    --red-100: #fee2e2;
    --red-500: #ef4444;
    --font-sans: 'Poppins', sans-serif;
    --transition: all 0.3s ease;
}

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

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-navy);
}

::-webkit-scrollbar-thumb {
    background: var(--teal);
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #4a7d86;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-sans);
    background-color: var(--white);
    color: var(--gray-800);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
}

a {
    text-decoration: none;
    color: inherit;
}

ul {
    list-style: none;
}

button {
    cursor: pointer;
    border: none;
    background: none;
    font-family: inherit;
}

/* Utilities */
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
}

@media (min-width: 640px) {
    .container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .container {
        padding: 0 2rem;
    }
}

.section {
    padding: 5rem 0;
}

.bg-gray {
    background-color: var(--gray-50);
}

.text-teal {
    color: var(--teal);
}

.text-red {
    color: var(--red-500);
}

.text-light {
    color: var(--gray-300);
}

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

.icon-sm {
    width: 1.25rem;
    height: 1.25rem;
}

.icon-lg {
    width: 2rem;
    height: 2rem;
}

/* Navigation */
.navbar {
    position: fixed;
    width: 100%;
    z-index: 50;
    background-color: rgba(27, 36, 45, 0.85);
    /* Slightly transparent dark-navy */
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: var(--transition);
}

.nav-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    height: 5rem;
}

@media (min-width: 640px) {
    .nav-container {
        padding: 0 1.5rem;
    }
}

@media (min-width: 1024px) {
    .nav-container {
        padding: 0 2rem;
    }
}

.nav-logo {
    display: flex;
    align-items: center;
    font-size: 1.875rem;
    font-weight: 700;
    letter-spacing: -0.025em;
    color: var(--white);
    cursor: pointer;
}

.nav-logo-img {
    height: 100px;
    /* Adjust based on actual logo aspect ratio */
    width: auto;
    object-fit: contain;
}

.nav-links {
    display: none;
    align-items: center;
    gap: 2rem;
}

@media (min-width: 768px) {
    .nav-links {
        display: flex;
    }
}

.nav-link {
    color: var(--gray-300);
    transition: color 0.3s;
    font-size: 0.875rem;
    font-weight: 500;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

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

.nav-btn {
    padding: 0.5rem 1.5rem;
    border-radius: 9999px;
    font-weight: 600;
    background-color: var(--teal);
    color: var(--white);
    transition: transform 0.3s;
}

.nav-btn:hover {
    transform: scale(1.05);
}

.nav-mobile-btn {
    display: flex;
    align-items: center;
    color: var(--white);
    cursor: pointer;
    transition: color 0.3s;
}

@media (min-width: 768px) {
    .nav-mobile-btn {
        display: none;
    }
}

.nav-mobile-btn:hover {
    color: var(--gray-300);
}

.nav-mobile-btn svg {
    width: 2rem;
    height: 2rem;
}

.mobile-menu {
    display: none;
    background-color: #151c23;
    position: absolute;
    width: 100%;
    left: 0;
    border-top: 1px solid #374151;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
}

.mobile-menu.active {
    display: block;
}

.mobile-link {
    display: block;
    width: 100%;
    text-align: left;
    padding: 1rem 0.75rem;
    color: var(--white);
    font-size: 1.125rem;
    font-weight: 500;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
}

.mobile-link:hover {
    background-color: var(--dark-navy);
}

/* Hero Section */
.hero {
    position: relative;
    padding-top: 8rem;
    padding-bottom: 5rem;
    background-color: var(--dark-navy);
    overflow: hidden;
}

@media (min-width: 1024px) {
    .hero {
        padding-top: 12rem;
        padding-bottom: 8rem;
    }
}

.hero-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.1;
    background-image: radial-gradient(var(--teal) 1px, transparent 1px);
    background-size: 40px 40px;
}

.hero-container {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 1rem;
    position: relative;
    z-index: 10;
}

.hero-content {
    text-align: center;
    max-width: 56rem;
    margin: 0 auto;
}

.hero-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--white);
    line-height: 1.25;
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .hero-title {
        font-size: 3.75rem;
    }
}

.hero-subtitle {
    font-size: 1.25rem;
    color: var(--gray-300);
    margin-bottom: 2.5rem;
    line-height: 1.625;
    font-weight: 300;
}

@media (min-width: 768px) {
    .hero-subtitle {
        font-size: 1.5rem;
    }
}

.hero-buttons {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 1rem;
}

@media (min-width: 640px) {
    .hero-buttons {
        flex-direction: row;
        gap: 1.5rem;
    }
}

.btn-primary {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: var(--transition);
    background-color: var(--teal);
    color: var(--white);
}

@media (min-width: 640px) {
    .btn-primary {
        width: auto;
    }
}

.btn-primary:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    transform: translateY(-4px);
}

.btn-primary svg {
    margin-left: 0.5rem;
}

.btn-secondary {
    width: 100%;
    padding: 1rem 2rem;
    border-radius: 9999px;
    font-weight: 700;
    font-size: 1.125rem;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.3s;
    border: 2px solid var(--steel-blue);
    color: var(--white);
}

@media (min-width: 640px) {
    .btn-secondary {
        width: auto;
    }
}

.btn-secondary:hover {
    background-color: rgba(63, 114, 150, 0.1);
}

/* About Section */
.about-grid {
    display: grid;
    gap: 3rem;
    align-items: center;
}

@media (min-width: 768px) {
    .about-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.section-label {
    font-size: 0.875rem;
    font-weight: 700;
    letter-spacing: 0.1em;
    text-transform: uppercase;
    margin-bottom: 0.5rem;
    color: var(--steel-blue);
}

.section-title {
    font-size: 1.875rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    color: var(--gray-900);
}

@media (min-width: 768px) {
    .section-title {
        font-size: 2.25rem;
    }
}

.section-desc {
    font-size: 1.125rem;
    color: var(--gray-600);
    margin-bottom: 1.5rem;
    line-height: 1.625;
}

.section-desc.centered {
    max-width: 42rem;
    margin-left: auto;
    margin-right: auto;
}

.about-feature {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    margin-top: 2rem;
    padding: 1.5rem;
    border-radius: 1rem;
    background-color: var(--gray-50);
    border: 1px solid var(--gray-100);
}

.feature-icon {
    flex-shrink: 0;
    padding: 0.75rem;
    border-radius: 9999px;
    background-color: rgba(92, 153, 164, 0.1);
    color: var(--teal);
}

.feature-icon svg {
    width: 1.5rem;
    height: 1.5rem;
}

.feature-text h4 {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.5rem;
    color: var(--gray-900);
}

.feature-text p {
    color: var(--gray-600);
}

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

.about-image-bg-circle {
    aspect-ratio: 1 / 1;
    border-radius: 9999px;
    position: absolute;
    top: -2.5rem;
    right: -2.5rem;
    width: 16rem;
    opacity: 0.1;
    background-color: var(--teal);
}

.about-image {
    border-radius: 1rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    position: relative;
    z-index: 10;
    width: 100%;
    object-fit: cover;
    height: 500px;
}

.about-floating-card {
    position: absolute;
    bottom: -1.5rem;
    left: -1.5rem;
    padding: 1.5rem;
    border-radius: 1rem;
    box-shadow: 0 20px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
    z-index: 20;
    background-color: var(--dark-navy);
}

.card-title {
    color: var(--white);
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.25rem;
}

.card-subtitle {
    color: var(--teal);
}

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

.solutions-grid {
    display: grid;
    gap: 2rem;
}

@media (min-width: 768px) {
    .solutions-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
    }
}

.solution-card {
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
}

.problem-card {
    background-color: var(--white);
    border: 1px solid var(--red-100);
}

.solution-card-dark {
    background-color: var(--dark-navy);
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -2px rgba(0, 0, 0, 0.05);
    position: relative;
    overflow: hidden;
}

.solution-bg-circle {
    position: absolute;
    top: 0;
    right: 0;
    width: 8rem;
    height: 8rem;
    transform: translate(2rem, -2rem);
    border-radius: 9999px;
    opacity: 0.2;
    background-color: var(--teal);
}

.card-header {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 2rem;
    position: relative;
    z-index: 10;
}

.card-header h3 {
    font-size: 1.5rem;
    font-weight: 700;
}

.problem-card h3 {
    color: var(--gray-900);
}

.solution-card-dark h3 {
    color: var(--white);
}

.card-body {
    display: flex;
    flex-direction: column;
    gap: 2rem;
    position: relative;
    z-index: 10;
}

.card-item h4 {
    font-weight: 700;
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.problem-card .card-item h4 {
    color: var(--gray-800);
}

.solution-card-dark .card-item h4 {
    color: var(--white);
}

.problem-card .card-item p {
    color: var(--gray-600);
}

/* Services Section */
.services-roadmap {
    position: relative;
    max-width: 1000px;
    margin: 4rem auto;
    padding: 2rem 0;
}

.roadmap-line {
    position: absolute;
    left: 2rem;
    top: 0;
    bottom: 0;
    width: 4px;
    background: linear-gradient(to bottom, var(--teal), var(--dark-navy));
    border-radius: 2px;
}

@media (min-width: 768px) {
    .roadmap-line {
        left: 50%;
        transform: translateX(-50%);
    }
}

.roadmap-item {
    position: relative;
    margin-bottom: 2rem;
    display: flex;
    justify-content: flex-end;
    padding-left: 4rem;
}

@media (min-width: 768px) {
    .roadmap-item {
        padding-left: 0;
        width: 50%;
    }

    .roadmap-item.left {
        justify-content: flex-end;
        padding-right: 3rem;
        margin-left: 0;
    }

    .roadmap-item.right {
        justify-content: flex-start;
        padding-left: 3rem;
        margin-left: 50%;
    }
}

.roadmap-dot {
    position: absolute;
    left: 2rem;
    top: 3rem;
    width: 24px;
    height: 24px;
    border-radius: 50%;
    background-color: var(--teal);
    border: 4px solid var(--white);
    box-shadow: 0 0 0 4px rgba(92, 153, 164, 0.2);
    transform: translate(-50%, -50%);
    z-index: 2;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

@media (min-width: 768px) {
    .roadmap-item.left .roadmap-dot {
        left: 100%;
    }

    .roadmap-item.right .roadmap-dot {
        left: 0;
    }
}

.roadmap-item:hover .roadmap-dot {
    transform: translate(-50%, -50%) scale(1.5);
    background-color: var(--dark-navy);
    box-shadow: 0 0 0 8px rgba(92, 153, 164, 0.3);
}

.roadmap-content {
    width: 100%;
}

/* Connecting line to the card */
.roadmap-content::after {
    content: '';
    position: absolute;
    top: 3rem;
    width: 3rem;
    height: 2px;
    background-color: var(--teal);
    z-index: -3;
    /* Behind everything */
    opacity: 0.5;
}

@media (max-width: 767px) {
    .roadmap-content::after {
        left: -3rem;
        /* Line extending left to the dot */
    }
}

@media (min-width: 768px) {
    .roadmap-item.left .roadmap-content::after {
        right: -4rem;
        width: 4rem;
    }

    .roadmap-item.right .roadmap-content::after {
        left: -4rem;
        width: 4rem;
    }
}

.service-item {
    padding: 2rem;
    border-radius: 1rem;
    background-color: var(--white);
    border: 1px solid var(--gray-100);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    cursor: pointer;
    position: relative;
    z-index: 1;
}

/* Snap-on Border Animation */
.service-item::before {
    content: '';
    position: absolute;
    inset: -1px;
    border-radius: 1rem;
    border: 2px solid var(--teal);
    opacity: 0;
    transform: scale(1.05);
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    z-index: 10;
    pointer-events: none;
}

.service-item:hover {
    box-shadow: 0 25px 50px -12px rgba(92, 153, 164, 0.25);
    transform: translateY(-8px);
}

.service-item:hover::before {
    opacity: 1;
    transform: scale(1);
}

.service-icon {
    width: 4.5rem;
    height: 4.5rem;
    border-radius: 1rem;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1.5rem;
    transition: all 0.4s ease;
    background-color: rgba(92, 153, 164, 0.08);
    color: var(--teal);
}

.service-icon svg {
    width: 2.25rem;
    height: 2.25rem;
    transition: transform 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.service-item:hover .service-icon {
    background-color: var(--teal);
    color: var(--white);
    transform: rotate(5deg);
}

.service-item:hover .service-icon svg {
    transform: scale(1.15);
}

.service-item h4 {
    font-weight: 700;
    font-size: 1.25rem;
    margin-bottom: 0.75rem;
    color: var(--gray-900);
    transition: color 0.3s;
}

.service-item:hover h4 {
    color: var(--teal);
}

.service-badge {
    font-size: 0.875rem;
    font-weight: 600;
    margin-top: 1rem;
    padding: 0.25rem 0.75rem;
    display: inline-block;
    border-radius: 9999px;
    background-color: var(--gray-100);
    color: var(--gray-600);
}

/* Contact Section */
.contact {
    position: relative;
    overflow: hidden;
    background-color: var(--teal);
}

.contact-bg-pattern {
    position: absolute;
    inset: 0;
    opacity: 0.2;
    background-image:
        linear-gradient(45deg, #1B242D 25%, transparent 25%, transparent 75%, #1B242D 75%, #1B242D),
        linear-gradient(45deg, #1B242D 25%, transparent 25%, transparent 75%, #1B242D 75%, #1B242D);
    background-size: 20px 20px;
    background-position: 0 0, 10px 10px;
}

.contact-container {
    position: relative;
    z-index: 10;
    text-align: center;
    max-width: 56rem;
}

.contact-title {
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--white);
    margin-bottom: 1.5rem;
}

@media (min-width: 768px) {
    .contact-title {
        font-size: 3rem;
    }
}

.contact-subtitle {
    font-size: 1.25rem;
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 2.5rem;
}

.contact-card {
    background-color: var(--white);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.25);
    max-width: 42rem;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-around;
    gap: 2rem;
}

@media (min-width: 768px) {
    .contact-card {
        padding: 3rem;
        flex-direction: row;
    }
}

.contact-method {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.contact-icon-wrapper {
    width: 4rem;
    height: 4rem;
    border-radius: 9999px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
    transition: transform 0.3s;
    background-color: rgba(27, 36, 45, 0.05);
    color: var(--dark-navy);
}

.contact-method:hover .contact-icon-wrapper {
    transform: scale(1.1);
}

.contact-icon-wrapper svg {
    width: 2rem;
    height: 2rem;
}

.contact-label {
    color: var(--gray-500);
    font-size: 0.875rem;
    font-weight: 500;
    margin-bottom: 0.25rem;
}

.contact-value {
    font-weight: 700;
    font-size: 1.25rem;
    color: var(--gray-900);
}

@media (min-width: 768px) {
    .contact-value {
        font-size: 1.125rem;
    }
}

.contact-divider {
    display: none;
    width: 1px;
    height: 6rem;
    background-color: var(--gray-200);
}

@media (min-width: 768px) {
    .contact-divider {
        display: block;
    }
}

/* Footer */
.footer {
    padding: 4rem 0 3rem;
    background-color: var(--dark-navy);
    position: relative;
    overflow: hidden;
}

.footer-creative-text {
    position: absolute;
    bottom: -1vw;
    left: 0;
    width: 100vw;
    display: flex;
    justify-content: space-between;
    padding: 0vw;
    font-size: 10.5vw;
    font-weight: 800;
    line-height: 0.85;
    white-space: nowrap;
    pointer-events: none;
    z-index: 0;
    user-select: none;
    letter-spacing: 0;
}

.footer-creative-text span {
    color: rgba(255, 255, 255, 0.04);
}

.footer-creative-text .text-outline {
    color: transparent;
    -webkit-text-stroke: 2px rgba(255, 255, 255, 0.04);
}

.footer-container {
    position: relative;
    z-index: 10;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: space-between;
}

@media (min-width: 768px) {
    .footer-container {
        flex-direction: row;
    }
}

.footer-logo {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.footer-logo-img {
    height: 100px;
    /* Slightly larger than nav logo */
    width: auto;
    object-fit: contain;
}

@media (min-width: 768px) {
    .footer-logo {
        margin-bottom: 0;
    }
}

.footer-rocket-container {
    width: 1.5rem;
    height: 1.5rem;
}

.footer-rocket {
    width: 1rem;
    height: 1rem;
}

.footer-network {
    margin-left: 0.5rem;
    font-weight: 400;
    font-size: 0.875rem;
    letter-spacing: 0.1em;
    color: var(--gray-400);
    margin-top: 0.25rem;
}

.footer-text {
    color: var(--gray-400);
    font-size: 0.875rem;
    text-align: center;
}

@media (min-width: 768px) {
    .footer-text {
        text-align: right;
    }
}

.footer-tagline {
    margin-top: 0.25rem;
    font-size: 0.75rem;
    opacity: 0.7;
}

/* Service Item Hover Effects */
.service-hover-text {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    transition: all 0.3s ease;
    color: var(--gray-600);
    font-size: 0.875rem;
    margin-top: 0;
    line-height: 1.5;
}

.service-item:hover .service-hover-text {
    max-height: 100px;
    opacity: 1;
    margin-top: 0.75rem;
}

/* Founder Section */
.founder-section {
    margin-top: 5rem;
    margin-bottom: 3rem;
}

.founder-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    background-color: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 1.5rem;
    overflow: hidden;
    margin: 2.5rem auto 0;
    max-width: 800px;
    box-shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.05);
    transition: var(--transition);
}

.founder-card:hover {
    box-shadow: 0 20px 40px -10px rgba(0, 0, 0, 0.1);
    transform: translateY(-5px);
}

.founder-image-wrapper {
    width: 100%;
    position: relative;
}

.founder-img {
    width: 100%;
    height: 350px;
    object-fit: cover;
    object-position: top;
}

.founder-accent {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--teal), var(--dark-navy));
}

.founder-info {
    padding: 2.5rem;
    text-align: center;
}

@media (min-width: 768px) {
    .founder-card {
        flex-direction: row;
        text-align: left;
    }
    
    .founder-image-wrapper {
        width: 40%;
        height: auto;
    }
    
    .founder-img {
        height: 100%;
        min-height: 300px;
    }

    .founder-accent {
        width: 4px;
        height: 100%;
        right: 0;
        left: auto;
        top: 0;
        background: linear-gradient(to bottom, var(--teal), var(--dark-navy));
    }
    
    .founder-info {
        width: 60%;
        text-align: left;
    }
}

.founder-name {
    font-size: 1.75rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.founder-role {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: 1.25rem;
}

.founder-bio {
    color: var(--gray-600);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.founder-social {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: #0A66C2;
    font-weight: 600;
    transition: var(--transition);
}

.founder-social:hover {
    color: var(--dark-navy);
}

/* Experts Section */
.experts-section {
    margin-top: 5rem;
}

.experts-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 1.5rem;
    margin-top: 2.5rem;
}

.expert-card {
    flex: 1 1 100%;
    background-color: var(--white);
    border: 1px solid var(--gray-100);
    border-radius: 1rem;
    padding: 1.5rem;
    text-align: center;
    transition: var(--transition);
}

@media (min-width: 640px) {
    .expert-card {
        flex: 0 1 calc(50% - 0.75rem);
    }
}

@media (min-width: 1024px) {
    .expert-card {
        flex: 0 1 calc(25% - 1.125rem);
    }
}

.expert-card:hover {
    box-shadow: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    transform: translateY(-4px);
    border-color: var(--teal);
}

.expert-img {
    width: 6rem;
    height: 6rem;
    border-radius: 9999px;
    object-fit: cover;
    margin: 0 auto 1rem auto;
    border: 3px solid var(--gray-100);
    transition: var(--transition);
    filter: grayscale(100%);
}

.expert-card:hover .expert-img {
    border-color: var(--teal);
    filter: grayscale(0%);
    transform: scale(1.1);
}

.expert-card h4 {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--gray-900);
    margin-bottom: 0.25rem;
}

.expert-role {
    font-size: 0.875rem;
    color: var(--teal);
    font-weight: 600;
    margin-bottom: 0.5rem;
}

.expert-exp {
    font-size: 0.875rem;
    color: var(--gray-600);
}

/* Community Section */
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background-color: #25D366;
    color: white;
    font-weight: 600;
    font-size: 1.125rem;
    border-radius: 9999px;
    transition: var(--transition);
    margin-top: 2rem;
}

.btn-whatsapp:hover {
    background-color: #128C7E;
    transform: translateY(-4px);
    box-shadow: 0 10px 15px -3px rgba(37, 211, 102, 0.3);
    color: white;
}

/* Animations */
.animate-up {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s ease-out, transform 0.8s cubic-bezier(0.165, 0.84, 0.44, 1);
}

.animate-up.in-view {
    opacity: 1;
    transform: translateY(0);
}

.delay-100 {
    transition-delay: 100ms;
}

.delay-200 {
    transition-delay: 200ms;
}

.delay-300 {
    transition-delay: 300ms;
}

.delay-400 {
    transition-delay: 400ms;
}

.delay-500 {
    transition-delay: 500ms;
}

.delay-600 {
    transition-delay: 600ms;
}

/* Floating WhatsApp Button */
.floating-wa-btn {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 3.5rem;
    height: 3.5rem;
    background-color: #25D366;
    color: white;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    box-shadow: 0 10px 25px rgba(37, 211, 102, 0.4);
    z-index: 1000;
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.floating-wa-btn:hover {
    transform: scale(1.15) rotate(-10deg);
    box-shadow: 0 15px 30px rgba(37, 211, 102, 0.6);
}

.floating-wa-btn svg {
    width: 2rem;
    height: 2rem;
}

.delay-700 {
    transition-delay: 700ms;
}