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

:root {
    --primary-black: #000000;
    --primary-white: #FFFFFF;
    --silver: #C0C0C0;
    --silver-light: #E8E8E8;
    --silver-dark: #808080;
    --gradient-silver: linear-gradient(135deg, #E8E8E8 0%, #C0C0C0 50%, #A8A8A8 100%);
}

body {
    font-family: 'Poppins', sans-serif;
    color: var(--primary-black);
    line-height: 1.6;
    overflow-x: hidden;
}

html {
    scroll-behavior: smooth;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* Navigation */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    background: var(--primary-black);
    box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
    z-index: 1000;
    padding: 0.5rem 0;
    transition: transform 0.3s ease;
}

.navbar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
}

.logo img {
    height: 150px;
    width: auto;
    transition: transform 0.3s ease;
}

.logo img:hover {
    transform: scale(1.05);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
}

.nav-links a {
    text-decoration: none;
    color: var(--primary-white);
    font-weight: 600;
    transition: all 0.3s ease;
    position: relative;
}

.nav-links a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--silver);
    transition: width 0.3s ease;
}

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

/* Hero Section */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-image: url('InPower cover image.jpg');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    background-color: #333;
    position: relative;
    overflow: hidden;
    padding-top: 80px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.5);
    z-index: 1;
}

.hero-decoration {
    position: absolute;
    width: 600px;
    height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(192, 192, 192, 0.3) 0%, transparent 70%);
    top: -200px;
    right: -200px;
    animation: float 6s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translateY(0px); }
    50% { transform: translateY(-30px); }
}

.hero-content {
    text-align: center;
    z-index: 2;
    max-width: 800px;
    padding: 2rem;
    position: relative;
}

.hero-title {
    font-size: 4rem;
    font-weight: 800;
    margin-bottom: 1rem;
    color: var(--primary-white);
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease;
}

.hero-subtitle {
    font-size: 1.5rem;
    color: var(--silver-light);
    margin-bottom: 2rem;
    text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    animation: fadeInUp 1s ease 0.2s backwards;
}

.hero-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    animation: fadeInUp 1s ease 0.4s backwards;
}

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

/* Buttons */
.btn {
    padding: 1rem 2.5rem;
    border-radius: 50px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: inline-block;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-black);
    color: var(--primary-white);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 6px 25px rgba(0, 0, 0, 0.3);
}

.btn-secondary {
    background: var(--primary-white);
    color: var(--primary-black);
    border: 2px solid var(--primary-black);
}

.btn-secondary:hover {
    background: var(--primary-black);
    color: var(--primary-white);
    transform: translateY(-3px);
}

/* Sections */
section {
    padding: 5rem 0;
}

.section-title {
    font-size: 3rem;
    font-weight: 800;
    text-align: center;
    margin-bottom: 1rem;
    background: linear-gradient(135deg, var(--primary-black) 0%, var(--silver-dark) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    font-size: 1.2rem;
    color: var(--silver-dark);
    margin-bottom: 3rem;
}

/* About Section */
.about {
    background: linear-gradient(180deg,
        #ffffff 0%,
        #f5f5f7 50%,
        #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.about::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 1px;
    background: linear-gradient(90deg,
        transparent 0%,
        rgba(0, 0, 0, 0.1) 50%,
        transparent 100%);
}

.about-content {
    display: flex;
    flex-direction: column;
    gap: 5rem;
}

.about-header {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.about-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1d1d1f 0%, #6e6e73 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    padding-bottom: 0.2em;
    overflow: visible;
}

.about-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: #6e6e73;
    line-height: 1.5;
    letter-spacing: -0.01em;
}

.about-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 1.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.feature-card {
    background: linear-gradient(135deg,
        rgba(255, 255, 255, 0.95) 0%,
        rgba(240, 240, 242, 0.95) 100%);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(0, 0, 0, 0.1);
    border-radius: 24px;
    padding: 3rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg,
        #c0c0c0 0%,
        #808080 50%,
        #c0c0c0 100%);
    opacity: 0;
    transition: opacity 0.4s ease;
}

.feature-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.12);
    border-color: rgba(0, 0, 0, 0.1);
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-content h3 {
    font-size: 1.75rem;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.feature-content p {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: #6e6e73;
    font-weight: 400;
}

.about-mission {
    max-width: 900px;
    margin: 0 auto;
    text-align: center;
    padding: 3rem;
    background: linear-gradient(135deg,
        rgba(192, 192, 192, 0.1) 0%,
        rgba(128, 128, 128, 0.05) 100%);
    border-radius: 24px;
    border: 1px solid rgba(0, 0, 0, 0.04);
}

.about-mission p {
    font-size: 1.25rem;
    line-height: 1.7;
    color: #1d1d1f;
    font-weight: 400;
    letter-spacing: -0.01em;
}

/* Lessons Section */
.lessons {
    background: linear-gradient(135deg, var(--silver-light) 0%, var(--primary-white) 50%, var(--silver-light) 100%);
}

.lessons-content {
    text-align: center;
    max-width: 900px;
    margin: 0 auto;
}

.lessons-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1d1d1f 0%, #6e6e73 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 1.5rem;
    line-height: 1.3;
    padding-bottom: 0.2em;
    overflow: visible;
}

.lessons-subtitle {
    font-size: 1.5rem;
    font-weight: 400;
    color: #6e6e73;
    line-height: 1.5;
    letter-spacing: -0.01em;
    margin-bottom: 3rem;
}

.lessons-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 2.5rem;
    max-width: 1200px;
    margin: 0 auto;
}

.lesson-card {
    aspect-ratio: 1 / 1;
    border-radius: 24px;
    padding: 3rem 2.5rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
    overflow: hidden;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    display: flex;
    align-items: center;
    justify-content: center;
}

.lesson-overlay {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.7);
    transition: background 0.4s ease;
    z-index: 1;
}

.lesson-card:hover .lesson-overlay {
    background: rgba(0, 0, 0, 0.6);
}

.lesson-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.lesson-content {
    position: relative;
    z-index: 2;
    text-align: center;
}

.lesson-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.lesson-content p {
    font-size: 1.0625rem;
    line-height: 1.6;
    color: #f5f5f7;
    font-weight: 400;
}

/* About Us Section */
.about-us {
    background: var(--primary-white);
}

.about-us-content {
    max-width: 1200px;
    margin: 0 auto;
}

.about-us-title {
    font-size: 3.5rem;
    font-weight: 700;
    letter-spacing: -0.02em;
    background: linear-gradient(135deg, #1d1d1f 0%, #6e6e73 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 2rem;
    line-height: 1.3;
    padding-bottom: 0.2em;
    overflow: visible;
    text-align: center;
}

.about-us-vision {
    font-size: 1.5rem;
    font-weight: 400;
    color: #6e6e73;
    line-height: 1.6;
    letter-spacing: -0.01em;
    text-align: center;
    max-width: 900px;
    margin: 0 auto 2.5rem;
}

.about-us-verse-container {
    max-width: 700px;
    margin: 0 auto 6rem;
    padding: 2rem 2.5rem;
    border: 2px solid #d2d2d7;
    border-radius: 16px;
    text-align: center;
}

.verse-title {
    font-size: 1.25rem;
    font-weight: 600;
    color: #1d1d1f;
    margin-bottom: 1rem;
    letter-spacing: -0.01em;
}

.about-us-verse {
    font-size: 1.125rem;
    font-weight: 400;
    font-style: italic;
    color: #6e6e73;
    line-height: 1.6;
    margin: 0;
}

.about-us-founder {
    display: grid;
    grid-template-columns: 400px 1fr;
    gap: 3rem;
    align-items: center;
}

.founder-image {
    width: 100%;
    aspect-ratio: 1 / 1;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.15);
}

.founder-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.founder-bio h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1d1d1f;
    margin-bottom: 0.5rem;
    letter-spacing: -0.01em;
}

.founder-title {
    font-size: 1.125rem;
    font-weight: 500;
    color: #6e6e73;
    margin-bottom: 1.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

.founder-description {
    font-size: 1.0625rem;
    line-height: 1.7;
    color: #1d1d1f;
    font-weight: 400;
}

/* Contact Section */
.contact {
    background: var(--primary-white);
}

.contact-content {
    max-width: 600px;
    margin: 0 auto;
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 1rem;
    border: 2px solid var(--silver);
    border-radius: 10px;
    font-family: 'Poppins', sans-serif;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: var(--primary-white);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-black);
    box-shadow: 0 0 0 3px rgba(0, 0, 0, 0.1);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn {
    width: 100%;
    font-size: 1.1rem;
}

/* Footer */
.footer {
    background: var(--primary-black);
    color: var(--primary-white);
    text-align: center;
    padding: 2rem 0;
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-links {
        gap: 1rem;
    }

    .hero {
        padding-top: 200px;
    }

    .hero-title {
        font-size: 2.5rem;
    }

    .hero-subtitle {
        font-size: 1.2rem;
    }

    .hero-buttons {
        flex-direction: column;
        align-items: center;
    }

    .section-title {
        font-size: 2rem;
    }

    .about-title {
        font-size: 2.5rem;
    }

    .about-subtitle {
        font-size: 1.25rem;
    }

    .about-features {
        grid-template-columns: 1fr;
        gap: 1rem;
    }

    .feature-card {
        padding: 2rem 1.5rem;
    }

    .about-mission {
        padding: 2rem 1.5rem;
    }

    .about-mission p {
        font-size: 1.0625rem;
    }

    .lessons-title {
        font-size: 2.5rem;
    }

    .lessons-subtitle {
        font-size: 1.25rem;
    }

    .lessons-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .lesson-card {
        padding: 2rem 1.5rem;
    }

    .lesson-content h3 {
        font-size: 1.5rem;
    }

    .lesson-content p {
        font-size: 0.9375rem;
    }

    .about-us-title {
        font-size: 2.5rem;
    }

    .about-us-vision {
        font-size: 1.25rem;
        margin-bottom: 2rem;
    }

    .about-us-verse-container {
        padding: 1.5rem 1.75rem;
        margin-bottom: 3rem;
    }

    .verse-title {
        font-size: 1.125rem;
    }

    .about-us-verse {
        font-size: 1rem;
    }

    .about-us-founder {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

    .founder-image {
        max-width: 400px;
        margin: 0 auto;
    }

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

    .founder-bio h3 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .navbar .container {
        flex-direction: column;
        gap: 1rem;
    }

    .nav-links {
        flex-wrap: wrap;
        justify-content: center;
        gap: 0.5rem;
    }

    .hero {
        padding-top: 220px;
    }

    .hero-title {
        font-size: 2rem;
    }
}