/* Base Reset & Variables */
@font-face {
    font-family: 'Stratos LC Web';
    src: url('assets/fonts/StratosLCWeb-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
}

@font-face {
    font-family: 'Stratos LC Web';
    src: url('assets/fonts/StratosLCWeb-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Stratos LC Web';
    src: url('assets/fonts/StratosLCWeb-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
}

@font-face {
    font-family: 'Stratos LC Web';
    src: url('assets/fonts/StratosLCWeb-Light.ttf') format('truetype');
    font-weight: 300;
    font-style: normal;
}

:root {
    --bg-dark: #ffffff;
    /* Light Theme Background */
    --bg-card: #f8fafc;
    /* Light Theme Card */
    --text-main: #2f444e;
    /* Updated Dark Text */
    --text-muted: #64748b;
    /* Muted Text */
    --accent-primary: #8c4f9f;
    /* Purple from logo */
    --accent-secondary: #1389c1;
    /* Blue from logo */
    --font-heading: 'Stratos LC Web', sans-serif;
    --font-body: 'Stratos LC Web', sans-serif;
    --container-width: 1200px;
    --padding-section: 80px 0;
    --radius: 16px;
    --shadow: 0 10px 30px -10px rgba(0, 0, 0, 0.1);
}

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

body {
    background-color: var(--bg-dark);
    color: var(--text-main);
    font-family: var(--font-body);
    line-height: 1.6;
    overflow-x: hidden;
    scroll-behavior: smooth;
}

a {
    text-decoration: none;
    color: inherit;
    transition: 0.3s;
}

ul {
    list-style: none;
}

img {
    max-width: 100%;
    display: block;
}

/* Utilities */
.container {
    max-width: var(--container-width);
    margin: 0 auto;
    padding: 0 20px;
}

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

.text-gradient {
    background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.text-accent {
    color: var(--accent-primary);
}

.text-warning {
    color: var(--accent-secondary);
}

.section-title {
    font-family: var(--font-heading);
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 1.5rem;
    line-height: 1.2;
    letter-spacing: -0.02em;
}

.section-subtitle {
    font-size: 1.125rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 3rem;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 14px 28px;
    border-radius: 50px;
    font-weight: 600;
    letter-spacing: 0.5px;
    cursor: pointer;
    border: none;
    transition: all 0.3s ease;
    font-family: var(--font-heading);
}

.btn--primary {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    color: #fff;
    box-shadow: 0 4px 15px rgba(140, 79, 159, 0.3);
}

.btn--primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(140, 79, 159, 0.5);
}

.btn--small {
    padding: 10px 20px;
    font-size: 0.9rem;
}

.btn--full {
    width: 100%;
}

/* Header */
.header {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
    /* Light border */
    padding: 15px 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.03);
}

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

.logo img {
    height: 40px;
    /* Adjust as needed */
    width: auto;
}

.nav {
    display: flex;
    align-items: center;
    gap: 30px;
}

.nav__list {
    display: flex;
    gap: 25px;
}

.nav__link {
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text-main);
}

.nav__link:hover {
    color: var(--accent-primary);
}

.burger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 5px;
}

.burger span {
    width: 25px;
    height: 2px;
    background: var(--text-main);
    transition: 0.3s;
}

/* Hero Section */
.hero {
    padding: 140px 0 60px;
    background-color: var(--bg-dark);
}

.hero__banner {
    background: var(--accent-primary);
    border-radius: 32px;
    overflow: hidden;
    display: flex;
    align-items: stretch;
    /* Stretch children to full height */
    min-height: 500px;
    position: relative;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.hero__content {
    flex: 1.2;
    padding: 60px;
    z-index: 2;
    color: #ffffff;
    /* White text for contrast on purple */
    display: flex;
    flex-direction: column;
    justify-content: center;
    /* Keep text centered vertically */
    align-items: flex-start;
}

.hero__title {
    font-family: var(--font-heading);
    font-size: clamp(2rem, 8vw, 3.5rem);
    /* Responsive font size */
    line-height: 1.1;
    margin-bottom: 1.5rem;
    color: #ffffff;
    font-weight: 700;
}

.hero__subtitle {
    font-size: 1.25rem;
    color: rgba(255, 255, 255, 0.9);
    margin-bottom: 2.5rem;
    max-width: 500px;
}

.hero__image {
    flex: 1;
    position: relative;
    overflow: hidden;
    /* Ensure image stays inside rounded corners */
}

.hero__image::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 60%;
    /* Broaden transition to middle of image */
    height: 100%;
    background: linear-gradient(to right, var(--accent-primary) 0%, rgba(140, 79, 159, 0.8) 20%, transparent 100%);
    z-index: 1;
}

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

.btn--white {
    background: #ffffff;
    color: var(--accent-primary) !important;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.btn--white:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.2);
}

/* Problems Section */
.problems {
    padding: var(--padding-section);
}

.problems__grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    /* 4 cards in one line */
    gap: 20px;
    margin-bottom: 3rem;
}

.problem-card {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    transition: 0.3s;
}

.problem-card:hover {
    transform: translateY(-5px);
    border-color: var(--accent-secondary);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.05);
}

.problem-card__icon {
    font-size: 2.5rem;
    margin-bottom: 15px;
}

.problem-card__text {
    font-weight: 500;
    font-size: 1.1rem;
    color: var(--text-main);
}

.problems__conclusion {
    text-align: center;
    font-size: 1.25rem;
    font-weight: 600;
    background: rgba(140, 79, 159, 0.05);
    /* Light purple tint */
    color: var(--text-main);
    padding: 30px;
    border-radius: var(--radius);
    border: 1px solid rgba(140, 79, 159, 0.1);
}

/* About Section */
.about {
    padding: var(--padding-section);
    background-color: var(--bg-dark);
}

.about__banner {
    background: linear-gradient(135deg, var(--accent-secondary), var(--accent-primary));
    border-radius: 32px;
    display: flex;
    align-items: center;
    overflow: hidden;
    min-height: 600px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
}

.about__content {
    flex: 1.2;
    padding: 60px;
    color: #ffffff;
}

.about__content .section-title {
    color: #ffffff;
}

.about__content strong {
    color: #ffffff;
}

.about__visual {
    flex: 1;
    display: flex;
    justify-content: center;
    align-items: center;
    padding: 40px 0;
    /* Vertical spacing for the phone */
}

/* Phone Mockup */
.phone-mockup {
    width: 280px;
    height: 520px;
    padding: 8px;
    /* Symmetric frame padding */
    background: #000;
    /* Sleek black frame */
    border-radius: 36px;
    box-shadow: 0 30px 60px rgba(0, 0, 0, 0.3);
    position: relative;
    border: 2px solid rgba(255, 255, 255, 0.1);
    /* Subtle metallic edge */
}

.phone-screen {
    width: 100%;
    height: 100%;
    background: #e6ebf0;
    border-radius: 28px;
    /* Slightly smaller than frame */
    overflow: hidden;
    display: flex;
    flex-direction: column;
    position: relative;
}

.mockup-header {
    background: #fff;
    padding: 12px 15px;
    display: flex;
    align-items: center;
    border-bottom: 1px solid rgba(0, 0, 0, 0.05);
}

.mockup-user {
    display: flex;
    align-items: center;
    gap: 10px;
}

.user-avatar {
    width: 35px;
    height: 35px;
    background: var(--accent-primary);
    color: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 0.8rem;
}

.user-info {
    display: flex;
    flex-direction: column;
}

.user-name {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--text-main);
}

.user-status {
    font-size: 0.7rem;
    color: #22c55e;
}

.mockup-body {
    flex: 1;
    padding: 15px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    overflow-y: auto;
}

.chat-bubble {
    max-width: 85%;
    padding: 10px 12px;
    font-size: 0.8rem;
    line-height: 1.4;
    position: relative;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.03);
}

.chat-bubble.left {
    background: #fff;
    color: var(--text-main);
    align-self: flex-start;
    border-radius: 15px 15px 15px 4px;
}

.chat-bubble.right {
    background: #fff;
    /* Keeping it white for clean look or can use light blue */
    color: var(--text-main);
    align-self: flex-end;
    border-radius: 15px 15px 4px 15px;
    border: 1px solid rgba(140, 79, 159, 0.1);
}

.video-thumb {
    width: 100%;
    height: 120px;
    background: #8c4f9f;
    border-radius: 10px;
    margin-bottom: 8px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.video-thumb::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    background: url('https://placehold.co/300x200/8c4f9f/ffffff?text=Video+Lesson') center/cover;
    opacity: 0.8;
}

.play-btn {
    width: 40px;
    height: 40px;
    background: rgba(255, 255, 255, 0.9);
    border-radius: 50%;
    position: relative;
    z-index: 1;
}

.play-btn::after {
    content: '';
    position: absolute;
    left: 55%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-left: 10px solid var(--accent-primary);
    border-top: 6px solid transparent;
    border-bottom: 6px solid transparent;
}

.video-duration {
    position: absolute;
    bottom: 5px;
    right: 5px;
    background: rgba(0, 0, 0, 0.6);
    color: #fff;
    padding: 2px 6px;
    border-radius: 4px;
    font-size: 0.65rem;
    z-index: 1;
}

.mockup-footer {
    background: #fff;
    padding: 10px 15px;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
}

.input-placeholder {
    background: #f1f5f9;
    padding: 8px 15px;
    border-radius: 20px;
    font-size: 0.8rem;
    color: #94a3b8;
}

@media (max-width: 992px) {
    .about__banner {
        flex-direction: column;
        text-align: center;
    }

    .about__visual {
        padding: 40px 0;
        width: 100%;
    }
}

/* Expert */
.expert {
    padding: var(--padding-section);
    background: #fff;
}

.expert__container {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 50px;
    align-items: center;
}

.expert__image {
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.05);
}

.expert__img {
    width: 100%;
    height: 500px;
    object-fit: cover;
    display: block;
}

.expert__subtitle {
    margin-top: 2rem;
    margin-bottom: 1rem;
    font-size: 1.5rem;
    font-family: var(--font-heading);
}

.feature-list li {
    margin-bottom: 15px;
    font-size: 1.1rem;
    color: var(--text-muted);
}

.feature-list strong {
    color: var(--text-main);
}

/* Steps */
.steps {
    padding: var(--padding-section);
    background: #f8fafc;
}

.steps__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
}

.step-card {
    position: relative;
    padding-top: 20px;
}

.step-card__number {
    font-size: 3rem;
    font-weight: 700;
    color: rgba(0, 0, 0, 0.05);
    position: absolute;
    top: 0;
    left: 0;
    z-index: 0;
    font-family: var(--font-heading);
}

.step-card__title {
    position: relative;
    z-index: 1;
    font-size: 1.25rem;
    margin-bottom: 10px;
    color: var(--accent-primary);
    font-family: var(--font-heading);
}

.step-card__desc {
    position: relative;
    z-index: 1;
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Features */
.features {
    padding: var(--padding-section);
}

.features__grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
    gap: 30px;
}

.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius);
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
    border: 1px solid rgba(0, 0, 0, 0.05);
}

.feature-card__icon {
    font-size: 3rem;
    margin-bottom: 20px;
}

.feature-card__title {
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

/* Pricing */
.pricing {
    padding: var(--padding-section);
}

.pricing__container {
    display: flex;
    justify-content: center;
}

.pricing__card {
    background: linear-gradient(145deg, #ffffff, #f8fafc);
    padding: 50px;
    border-radius: 20px;
    border: 1px solid rgba(0, 0, 0, 0.05);
    text-align: center;
    max-width: 500px;
    width: 100%;
    position: relative;
    overflow: hidden;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.08);
}

.pricing__card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(45, 212, 191, 0.05) 0%, transparent 70%);
    z-index: 0;
}

.pricing__card>* {
    position: relative;
    z-index: 1;
}

.pricing__title {
    font-size: 1.5rem;
    color: var(--text-muted);
    margin-bottom: 20px;
    font-family: var(--font-heading);
}

.pricing__price {
    font-size: 3.5rem;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 10px;
    font-family: var(--font-heading);
}

.pricing__period {
    font-size: 1.2rem;
    color: var(--text-muted);
    font-weight: 400;
}

.pricing__desc {
    margin-bottom: 30px;
    color: var(--text-muted);
}

.pricing__features {
    text-align: left;
    margin-bottom: 40px;
    display: inline-block;
}

.pricing__features li {
    margin-bottom: 12px;
    padding-left: 25px;
    position: relative;
    color: var(--text-main);
}

.pricing__features li::before {
    content: '✓';
    color: var(--accent-primary);
    position: absolute;
    left: 0;
}

/* Safety */
.safety {
    padding: 0 0 80px;
}

.safety__box {
    background: rgba(249, 115, 22, 0.05);
    border: 1px solid rgba(249, 115, 22, 0.2);
    padding: 30px;
    border-radius: var(--radius);
    color: #9a3412;
    /* Darker orange for text */
}

.safety__title {
    color: #ea580c;
    margin-bottom: 15px;
    display: flex;
    align-items: center;
    gap: 10px;
    font-family: var(--font-heading);
}

.safety__warning {
    margin-top: 15px;
    color: #ef4444;
    /* Red warning */
}

/* FAQ */
.faq {
    padding: var(--padding-section);
    max-width: 800px;
    margin: 0 auto;
}

.faq__item {
    border-bottom: 1px solid rgba(0, 0, 0, 0.1);
}

.faq__question {
    width: 100%;
    text-align: left;
    background: none;
    border: none;
    padding: 20px 0;
    color: var(--text-main);
    font-size: 1.1rem;
    font-weight: 600;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-heading);
}

.faq__question::after {
    content: '+';
    font-size: 1.5rem;
    color: var(--accent-primary);
    transition: 0.3s;
}

.faq__item.active .faq__question::after {
    transform: rotate(45deg);
}

.faq__answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.3s ease;
    color: var(--text-muted);
}

.faq__answer p {
    padding-bottom: 20px;
}

/* CTA */
.cta {
    padding: var(--padding-section);
}

.cta__container {
    background: #f8fafc;
    border-radius: var(--radius);
    padding: 60px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 50px;
    align-items: center;
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.05);
}

.cta__form {
    background: #fff;
    padding: 30px;
    border-radius: var(--radius);
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.03);
}

.form-group {
    margin-bottom: 20px;
}

.form-group input {
    width: 100%;
    padding: 15px;
    border-radius: 10px;
    border: 1px solid #cbd5e1;
    background: #f8fafc;
    color: #0f172a;
    outline: none;
    font-family: var(--font-body);
    transition: 0.3s;
}

.form-group input::placeholder {
    color: #94a3b8;
}

.form-group input:focus {
    border-color: var(--accent-primary);
    background: #fff;
}

.form-note {
    font-size: 0.85rem;
    color: var(--text-muted);
    margin-top: 15px;
    text-align: center;
}

/* Footer */
.footer {
    padding: 50px 0;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    background: #f8fafc;
}

.footer__container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.footer__brand p {
    color: var(--text-muted);
    font-size: 0.9rem;
}

.footer__links {
    display: flex;
    gap: 20px;
}

.footer__links a:hover {
    color: var(--accent-primary);
}

.footer__copy {
    color: var(--text-muted);
    font-size: 0.85rem;
}

/* Responsive */
@media (max-width: 992px) {
    .header {
        background: rgba(255, 255, 255, 0.98);
    }

    .hero__banner {
        flex-direction: column;
        text-align: left;
        min-height: auto;
    }

    .hero__content {
        padding: 30px 20px;
        flex: none;
        align-items: flex-start;
    }

    .hero__title {
        font-size: clamp(1.5rem, 7vw, 2.2rem);
        word-wrap: break-word;
        hyphens: auto;
    }

    .hero__subtitle {
        font-size: 1rem;
        margin-bottom: 1.5rem;
    }

    .hero__image {
        width: 100%;
        height: 350px;
        flex: none;
    }

    .hero__image::after {
        width: 100%;
        height: 50%;
        background: linear-gradient(to bottom, var(--accent-primary) 0%, transparent 100%);
    }

    .problems__grid {
        grid-template-columns: 1fr;
        /* Stack on mobile */
    }

    .about__banner {
        flex-direction: column;
        padding-bottom: 40px;
    }

    .about__content {
        padding: 30px 20px;
    }

    .about__title {
        font-size: clamp(1.5rem, 7vw, 2.2rem);
    }

    .about__content p {
        font-size: 1rem;
    }

    .expert__container {
        display: flex;
        flex-direction: column;
        text-align: center;
        gap: 30px;
    }

    .expert__image {
        order: -1;
        max-width: 100%;
    }

    .expert__img {
        height: 400px;
    }

    .pricing__card {
        padding: 30px 20px;
    }
}

@media (max-width: 768px) {
    .nav__list {
        display: none;
    }

    .nav__list.open {
        display: flex;
        flex-direction: column;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        padding: 20px;
        border-bottom: 1px solid rgba(0, 0, 0, 0.05);
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    }

    .burger {
        display: flex;
    }

    .header__cta {
        display: none;
    }

    .hero {
        padding-top: 120px;
    }

    .hero__title {
        font-size: 2.5rem;
    }

    .cta__container {
        padding: 30px;
    }
}