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

html {
    scroll-behavior: smooth;
}

body {
    font-family: Arial, sans-serif;
    background: #fff5f8;
    color: #580909;
    line-height: 1.6;
}


.navbar {
    width: 100%;
    padding: 22px 7%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: #fff5f8;
    position: sticky;
    top: 0;
    z-index: 100;
    border-bottom: 1px solid #f1dfe5;
}

.logo {
    font-size: 22px;
    font-weight: bold;
    letter-spacing: 3px;
    color: #000;
}

.nav-links {
    display: flex;
    gap: 30px;
}

.nav-links a {
    text-decoration: none;
    color: #580909;
    font-size: 14px;
    font-weight: bold;
}

.nav-links a:hover {
    color: #b02a4a;
}

.hero {
    min-height: 85vh;
    padding: 80px 8%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 60px;
}

.hero-text {
    max-width: 650px;
}

.eyebrow {
    font-size: 12px;
    font-weight: bold;
    letter-spacing: 3px;
    color: #b02a4a;
    margin-bottom: 15px;
}

.hero h1 {
    font-size: clamp(50px, 7vw, 90px);
    line-height: 1;
    letter-spacing: -3px;
    color: #000;
    margin-bottom: 30px;
}

.hero h1 span {
    color: #b02a4a;
}

.hero-description {
    max-width: 550px;
    font-size: 18px;
    color: #754747;
    margin-bottom: 35px;
}



.primary-button {
    border: none;
    background: #580909;
    color: white;
    padding: 15px 25px;
    border-radius: 12px;
    font-size: 15px;
    font-weight: bold;
    cursor: pointer;
    transition: 0.2s ease;
}

.primary-button:hover {
    transform: translateY(-2px);
    background: #7c1515;
}

.full-button {
    width: 100%;
    margin-top: 15px;
}



.hero-card {
    width: 330px;
    padding: 30px;
    border-radius: 30px;
    background: white;
    box-shadow: 0 20px 60px rgba(88, 9, 9, 0.12);
    transform: rotate(2deg);
}

.sparkle {
    font-size: 50px;
    text-align: center;
    margin-bottom: 20px;
}

.mini-card {
    padding: 18px;
    background: #fff5f8;
    border-radius: 15px;
    margin-bottom: 12px;
}

.mini-card span {
    display: block;
    font-size: 12px;
    color: #9a6c6c;
    margin-bottom: 5px;
}

.mini-card strong {
    color: #580909;
}


.planner-section,
.info-section,
.about-section {
    padding: 100px 8%;
}

.section-heading {
    text-align: center;
    margin-bottom: 50px;
}

.section-heading h2,
.about-section h2,
.mission-section h2 {
    font-size: clamp(35px, 5vw, 55px);
    line-height: 1.1;
    color: #000;
    margin-bottom: 15px;
}

.section-heading p:last-child {
    color: #805d5d;
}


.planner-container {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
}

.planner-form,
.study-plan {
    background: white;
    padding: 35px;
    border-radius: 25px;
    box-shadow: 0 15px 50px rgba(88, 9, 9, 0.08);
}

.planner-form label {
    display: block;
    margin-top: 20px;
    margin-bottom: 8px;
    font-weight: bold;
    color: #580909;
}

.planner-form label:first-child {
    margin-top: 0;
}

input,
textarea {
    width: 100%;
    border: 1px solid #e5cdd4;
    border-radius: 12px;
    padding: 14px;
    font-family: inherit;
    font-size: 15px;
    background: #fffafb;
    outline: none;
}

input:focus,
textarea:focus {
    border-color: #b02a4a;
    box-shadow: 0 0 0 3px rgba(176, 42, 74, 0.08);
}

textarea {
    min-height: 130px;
    resize: vertical;
}

.input-hint {
    font-size: 12px;
    color: #9a7777;
    margin-top: 5px;
}

.time-input {
    position: relative;
}

.time-input input {
    padding-right: 70px;
}

.time-input span {
    position: absolute;
    right: 15px;
    top: 50%;
    transform: translateY(-50%);
    color: #8c6868;
    font-size: 13px;
}



.empty-state {
    min-height: 350px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    text-align: center;
}

.empty-icon {
    width: 70px;
    height: 70px;
    border-radius: 50%;
    background: #fff0f4;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 30px;
    margin-bottom: 20px;
}

.empty-state h3 {
    color: #000;
    margin-bottom: 10px;
}

.empty-state p {
    color: #927575;
    max-width: 300px;
}



.plan-header {
    border-bottom: 1px solid #f0dfe4;
    padding-bottom: 20px;
    margin-bottom: 20px;
}

.plan-header h3 {
    font-size: 26px;
    color: #000;
}

.plan-header p {
    color: #896969;
}

.plan-progress {
    background: #f8e8ed;
    height: 9px;
    border-radius: 20px;
    overflow: hidden;
    margin: 12px 0;
}

.plan-progress-bar {
    height: 100%;
    width: 0%;
    background: #b02a4a;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 12px;
    color: #8c6868;
}

.session {
    border: 1px solid #f0dfe4;
    border-radius: 15px;
    padding: 18px;
    margin-bottom: 12px;
    transition: 0.2s ease;
}

.session:hover {
    transform: translateX(3px);
}

.session.completed {
    opacity: 0.55;
}

.session-top {
    display: flex;
    justify-content: space-between;
    gap: 15px;
    margin-bottom: 8px;
}

.session-number {
    font-size: 12px;
    color: #b02a4a;
    font-weight: bold;
}

.session-time {
    font-size: 12px;
    color: #927575;
}

.session h4 {
    color: #000;
    margin-bottom: 5px;
}

.session p {
    color: #805d5d;
    font-size: 14px;
}

.session-check {
    margin-top: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
}

.session-check input {
    width: auto;
}



.info-section {
    background: #fff;
}

.feature-grid {
    max-width: 1100px;
    margin: auto;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.feature-card {
    border: 1px solid #efdfe4;
    padding: 30px;
    border-radius: 20px;
}

.feature-number {
    font-size: 13px;
    color: #b02a4a;
    font-weight: bold;
    margin-bottom: 30px;
}

.feature-card h3 {
    color: #000;
    font-size: 22px;
    margin-bottom: 10px;
}

.feature-card p {
    color: #805d5d;
}



.mission-section {
    padding: 110px 8%;
    background: #580909;
    color: white;
}

.mission-content {
    max-width: 800px;
    margin: auto;
    text-align: center;
}

.mission-section h2 {
    color: white;
}

.mission-section h2 span {
    color: #ffb7ca;
}

.mission-section .eyebrow {
    color: #ffb7ca;
}

.mission-section p:not(.eyebrow) {
    color: #f4dfe5;
    font-size: 17px;
}

.mission-badge {
    display: inline-block;
    margin-top: 30px;
    padding: 12px 18px;
    border: 1px solid #dba6b4;
    border-radius: 50px;
}



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

.about-section p:last-child {
    color: #805d5d;
    font-size: 17px;
}




footer {
    padding: 40px 8%;
    border-top: 1px solid #efdfe4;
    display: flex;
    justify-content: space-between;
    color: #805d5d;
}

footer strong {
    color: #000;
    letter-spacing: 2px;
}

footer p {
    font-size: 13px;
}



@media (max-width: 800px) {

    .navbar {
        padding: 18px 5%;
    }

    .nav-links {
        display: none;
    }

    .hero {
        padding: 60px 6%;
        flex-direction: column;
        text-align: center;
    }

    .hero-description {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-card {
        width: 100%;
        max-width: 350px;
    }

    .planner-section,
    .info-section,
    .about-section {
        padding: 70px 6%;
    }

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

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

    footer {
        flex-direction: column;
        gap: 20px;
        text-align: center;
    }
}