@import url('https://fonts.googleapis.com/css2?family=Inter:wght@400;500;600;700;800;900&display=swap');

:root {
    --green: #123b6d;
    --green-dark: #0b1f3a;
    --green-light: #1e5aa8;
    --gold: #4da3ff;
    --gold-light: #9ed0ff;
    --cream: #f2f7fc;
    --text: #ffffff;
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--green-dark);
    color: var(--text);
}

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

.container {
    width: 90%;
    max-width: 1450px;
    margin: auto;
}

/* =========================
   NAVBAR
========================= */

.navbar {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 31, 58, 0.97);
    border-bottom: 1px solid rgba(77, 163, 255, 0.35);
    backdrop-filter: blur(15px);
}

.navbar-content {
    min-height: 90px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 25px;
}

.brand {
    display: flex;
    align-items: center;
    gap: 14px;
}

.brand-icon {
    font-size: 48px;
    color: var(--gold);
}

.brand h1 {
    font-size: 29px;
    font-weight: 900;
    letter-spacing: -1px;
}

.brand h1 span,
.footer h2 span {
    color: var(--gold);
}

.brand p {
    font-size: 10px;
    color: #c5d9ef;
    margin-top: 3px;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 24px;
}

.nav-menu a {
    font-size: 13px;
    font-weight: 600;
    transition: 0.3s;
}

.nav-menu a:hover {
    color: var(--gold);
}

.nav-menu a.active {
    background: var(--gold);
    color: #081a32;
    padding: 12px 20px;
    border-radius: 30px;
}

.login-button {
    border: 1px solid var(--gold);
    padding: 11px 22px;
    border-radius: 30px;
    color: var(--gold);
}

.theme-button {
    color: var(--gold);
    background: transparent;
    border: none;
    font-size: 23px;
    cursor: pointer;
}

.menu-toggle {
    display: none;
    font-size: 27px;
    color: var(--gold);
    background: none;
    border: none;
    cursor: pointer;
}

/* =========================
   HERO
========================= */

.hero {
    position: relative;
    min-height: 680px;
    display: flex;
    align-items: center;
    background:
        linear-gradient(
            90deg,
            rgba(7, 29, 58, 0.98) 0%,
            rgba(7, 29, 58, 0.90) 34%,
            rgba(7, 29, 58, 0.28) 70%,
            rgba(7, 29, 58, 0.10) 100%
        ),
        url('https://images.unsplash.com/photo-1537996194471-e657df975ab4?auto=format&fit=crop&w=2000&q=90');

    background-size: cover;
    background-position: center;
    overflow: hidden;
}

.hero-container {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1.4fr 0.6fr;
    align-items: center;
    gap: 40px;
    padding-top: 70px;
    padding-bottom: 100px;
}

.hero-content {
    max-width: 780px;
}

.hero-label {
    display: inline-block;
    background: var(--gold);
    color: #081a32;
    padding: 11px 22px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 800;
    margin-bottom: 25px;
}

.hero-content h2 {
    font-size: clamp(38px, 5.5vw, 76px);
    line-height: 1.12;
    font-weight: 900;
    margin-bottom: 25px;
    letter-spacing: -2px;
}

.hero-content h2 span {
    color: var(--gold);
}

.hero-content > p {
    color: #dcecff;
    font-size: 17px;
    line-height: 1.8;
    max-width: 650px;
    margin-bottom: 30px;
}

.primary-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 17px 28px;
    border-radius: 40px;
    background: linear-gradient(135deg, #9ed0ff, #3288e8);
    color: #081a32;
    font-weight: 800;
    transition: 0.3s;
    box-shadow: 0 8px 25px rgba(77, 163, 255, 0.22);
}

.primary-button:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 30px rgba(77, 163, 255, 0.4);
}

.hero-info {
    display: flex;
    gap: 35px;
    margin-top: 55px;
}

.hero-info div {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.hero-info strong {
    color: var(--gold);
    font-size: 18px;
}

.hero-info span {
    font-size: 11px;
    color: #c4d9ef;
}

.hero-decoration {
    display: flex;
    justify-content: center;
}

.floating-card {
    width: 270px;
    padding: 30px;
    border: 1px solid rgba(77, 163, 255, 0.4);
    background: rgba(16, 57, 105, 0.76);
    backdrop-filter: blur(15px);
    border-radius: 25px;
    animation: floating 4s ease-in-out infinite;
}

.rocket-icon {
    font-size: 45px;
    margin-bottom: 20px;
}

.floating-card h3 {
    font-size: 20px;
    color: var(--gold-light);
    margin-bottom: 12px;
}

.floating-card p {
    font-size: 13px;
    line-height: 1.8;
    color: #dcecff;
}

@keyframes floating {
    0%, 100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-15px);
    }
}

.hero-bottom {
    position: absolute;
    bottom: -1px;
    width: 100%;
    height: 30px;
    background: var(--green-dark);
    clip-path: polygon(0 50%, 20% 100%, 50% 30%, 80% 100%, 100% 40%, 100% 100%, 0 100%);
}

/* =========================
   SECTION HEADING
========================= */

.section-heading {
    text-align: center;
    margin-bottom: 45px;
}

.section-heading > span,
.section-label {
    color: var(--gold);
    font-weight: 800;
    font-size: 12px;
    letter-spacing: 2px;
}

.section-heading h2 {
    font-size: clamp(26px, 4vw, 38px);
    margin: 15px 0;
}

.section-heading p {
    color: #b7cce3;
    font-size: 14px;
    line-height: 1.8;
}

/* =========================
   FEATURES
========================= */

.features-section {
    padding: 85px 0;
    background: var(--green-dark);
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
}

.feature-card {
    padding: 30px 24px;
    border-radius: 22px;
    border: 1px solid rgba(77, 163, 255, 0.25);
    background: linear-gradient(
        145deg,
        rgba(30, 90, 168, 0.7),
        rgba(12, 39, 78, 0.8)
    );
    transition: 0.3s;
}

.feature-card:hover {
    transform: translateY(-10px);
    border-color: var(--gold);
    box-shadow: 0 12px 35px rgba(0, 0, 0, 0.2);
}

.feature-icon {
    width: 65px;
    height: 65px;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 32px;
    background: rgba(77, 163, 255, 0.13);
    border-radius: 17px;
    margin-bottom: 25px;
}

.feature-card h3 {
    font-size: 17px;
    margin-bottom: 14px;
}

.feature-card p {
    color: #bed1e7;
    font-size: 13px;
    line-height: 1.8;
    min-height: 70px;
    margin-bottom: 20px;
}

.feature-card a {
    font-size: 12px;
    font-weight: 700;
    color: var(--gold);
}

/* =========================
   LEARNING
========================= */

.learning-section {
    padding: 100px 0;
    background: #123b6d;
}

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

.learning-text h2 {
    font-size: clamp(30px, 4vw, 45px);
    line-height: 1.25;
    margin: 20px 0;
}

.learning-text > p {
    color: #c5d9ef;
    font-size: 14px;
    line-height: 1.9;
    margin-bottom: 25px;
}

.learning-text ul {
    list-style: none;
    margin-bottom: 30px;
}

.learning-text li {
    padding: 10px 0;
    color: #e1efff;
    font-size: 14px;
}

.learning-text li::first-letter {
    color: var(--gold);
}

.secondary-button {
    display: inline-block;
    border: 1px solid var(--gold);
    color: var(--gold);
    padding: 14px 25px;
    border-radius: 30px;
    font-size: 13px;
    font-weight: 700;
    transition: 0.3s;
}

.secondary-button:hover {
    background: var(--gold);
    color: var(--green-dark);
}

.learning-visual {
    display: flex;
    justify-content: center;
}

.learning-card {
    width: 100%;
    max-width: 430px;
    padding: 40px;
    border-radius: 25px;
    background: linear-gradient(145deg, #1e5aa8, #09264f);
    border: 1px solid rgba(77, 163, 255, 0.4);
    box-shadow: 0 20px 50px rgba(0, 0, 0, 0.2);
}

.learning-card-icon {
    font-size: 45px;
    margin-bottom: 20px;
}

.learning-card > span {
    color: var(--gold);
    font-size: 11px;
    font-weight: 800;
    letter-spacing: 2px;
}

.learning-card h3 {
    font-size: 26px;
    margin: 20px 0 12px;
}

.learning-card p {
    color: #c2d7ee;
    font-size: 13px;
    line-height: 1.8;
}

.progress-item {
    margin-top: 35px;
    font-size: 12px;
}

.progress-item span {
    color: var(--gold-light);
}

.progress-bar {
    margin-top: 12px;
    height: 9px;
    background: rgba(255, 255, 255, 0.15);
    border-radius: 20px;
    overflow: hidden;
}

.progress-bar div {
    height: 100%;
    width: 75%;
    background: var(--gold);
    border-radius: 20px;
}

/* =========================
   LOCAL WISDOM
========================= */

.wisdom-section {
    padding: 100px 0;
    background: #09264f;
    text-align: center;
}

.wisdom-content > h2 {
    font-size: clamp(29px, 4vw, 43px);
    margin: 20px 0;
    line-height: 1.3;
}

.wisdom-content > h2 span {
    color: var(--gold);
}

.wisdom-content > p {
    max-width: 750px;
    margin: 0 auto 50px;
    color: #bfd3e9;
    font-size: 14px;
    line-height: 1.9;
}

.wisdom-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.wisdom-card {
    padding: 35px 25px;
    border: 1px solid rgba(77, 163, 255, 0.25);
    background: rgba(30, 90, 168, 0.35);
    border-radius: 22px;
    transition: 0.3s;
}

.wisdom-card:hover {
    border-color: var(--gold);
    transform: translateY(-7px);
}

.wisdom-card > div {
    font-size: 45px;
    margin-bottom: 20px;
}

.wisdom-card h3 {
    color: var(--gold);
    margin-bottom: 15px;
    font-size: 19px;
}

.wisdom-card p {
    color: #bfd3e9;
    font-size: 13px;
    line-height: 1.8;
}

/* =========================
   CTA
========================= */

.cta-section {
    padding: 90px 0;
    background:
        linear-gradient(rgba(7, 29, 58, 0.92), rgba(7, 29, 58, 0.95)),
        url('https://images.unsplash.com/photo-1537996194471-e657df975ab4?auto=format&fit=crop&w=1600&q=80') center/cover;
    text-align: center;
}

.cta-content > span {
    color: var(--gold);
    font-weight: 800;
    font-size: 12px;
    letter-spacing: 3px;
}

.cta-content h2 {
    font-size: clamp(28px, 4vw, 43px);
    margin: 20px 0;
}

.cta-content p {
    color: #cfe1f5;
    font-size: 14px;
    line-height: 1.8;
    max-width: 650px;
    margin: 0 auto 30px;
}

/* =========================
   FOOTER
========================= */

.footer {
    padding: 35px 0;
    background: #06162d;
    border-top: 1px solid rgba(77, 163, 255, 0.3);
}

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

.footer h2 {
    font-size: 23px;
    font-weight: 900;
}

.footer p {
    font-size: 11px;
    color: #b6cbe2;
    margin-top: 8px;
}

.footer-copy {
    color: #91aac5;
    font-size: 11px;
}

/* =========================
   DARK / LIGHT THEME
========================= */

body.light-mode {
    --green-dark: #f2f7fc;
    --green: #e1efff;
    --text: #123b6d;
}

body.light-mode .features-section,
body.light-mode .wisdom-section {
    background: #f2f7fc;
    color: #123b6d;
}

body.light-mode .section-heading p,
body.light-mode .feature-card p,
body.light-mode .wisdom-content > p,
body.light-mode .wisdom-card p {
    color: #4c6785;
}

body.light-mode .feature-card,
body.light-mode .wisdom-card {
    background: #ffffff;
    border-color: #b7d7f7;
    color: #123b6d;
}

body.light-mode .feature-card h3,
body.light-mode .wisdom-card h3 {
    color: #123b6d;
}

body.light-mode .learning-section {
    background: #e1efff;
    color: #123b6d;
}

body.light-mode .learning-text > p,
body.light-mode .learning-text li {
    color: #4c6785;
}

body.light-mode .navbar {
    background: rgba(242, 247, 252, 0.97);
}

body.light-mode .brand p {
    color: #4c6785;
}

/* =========================
   RESPONSIVE
========================= */

@media (max-width: 1000px) {

    .nav-menu {
        gap: 12px;
    }

    .nav-menu a {
        font-size: 11px;
    }

    .hero-container {
        grid-template-columns: 1fr;
    }

    .hero-decoration {
        display: none;
    }

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

@media (max-width: 768px) {

    .navbar-content {
        min-height: 75px;
    }

    .brand-icon {
        font-size: 35px;
    }

    .brand h1 {
        font-size: 21px;
    }

    .brand p {
        font-size: 8px;
    }

    .menu-toggle {
        display: block;
    }

    .nav-menu {
        position: absolute;
        top: 75px;
        left: 0;
        width: 100%;
        display: none;
        flex-direction: column;
        align-items: stretch;
        gap: 0;
        padding: 20px 5%;
        background: #0b1f3a;
        border-bottom: 1px solid var(--gold);
    }

    .nav-menu.show {
        display: flex;
    }

    .nav-menu a {
        padding: 15px;
        font-size: 14px;
    }

    .nav-menu a.active {
        border-radius: 10px;
    }

    .theme-button {
        text-align: left;
        padding: 10px;
    }

    .hero {
        min-height: 650px;
        background-position: 62% center;
    }

    .hero-container {
        padding-top: 65px;
        padding-bottom: 75px;
    }

    .hero-content h2 {
        letter-spacing: -1px;
    }

    .hero-content > p {
        font-size: 14px;
    }

    .hero-info {
        gap: 20px;
    }

    .hero-info span {
        font-size: 9px;
    }

    .learning-content {
        grid-template-columns: 1fr;
        gap: 45px;
    }

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

    .footer-content {
        flex-direction: column;
        align-items: flex-start;
    }
}

@media (max-width: 480px) {

    .container {
        width: 90%;
    }

    .hero-content h2 {
        font-size: 39px;
    }

    .hero-label {
        font-size: 10px;
        padding: 10px 15px;
    }

    .hero-info {
        gap: 13px;
    }

    .hero-info strong {
        font-size: 14px;
    }

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

    .feature-card p {
        min-height: auto;
    }

    .learning-card {
        padding: 28px;
    }

    .primary-button {
        font-size: 12px;
        padding: 15px 18px;
    }
}.conversation-wrapper {
    display: flex;
    align-items: center;
    gap: 5px;
    margin-bottom: 6px;
}

.conversation-wrapper .conversation-item {
    flex: 1;
    min-width: 0;
}

.delete-conversation {
    padding: 8px;
    border: none;
    border-radius: 6px;
    background: transparent;
    cursor: pointer;
    opacity: 0.6;
}

.delete-conversation:hover {
    background: #fee2e2;
    opacity: 1;
}