/* Header Styles */
header {
    background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
    color: white;
    padding: 2.5px 0 25px;
    position: relative;
    overflow: hidden;
    margin-top: 58px;
    /* Add margin to account for fixed navbar */
}

.header-content {
    position: relative;
    z-index: 2;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 40px;
    align-items: center;
    min-height: 60vh;
}

.hero-left {
    text-align: left;
    padding-left: inherit;
}


.hero-right {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.logo {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 10px;
}

.tagline {
    font-size: 1.5rem;
    margin-bottom: 30px;
    font-weight: 300;
}

.welcome-text {
    max-width: 600px;
    margin-bottom: 30px;
    font-size: 1.1rem;
    line-height: 1.8;
}

.typing-text {
    font-size: 1.2rem;
    min-height: 60px;
    margin-bottom: 30px;
}

.batch-dropdown {
    margin-bottom: 20px;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.batch-dropdown label {
    display: block;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.batch-select {
    width: 100%;
    max-width: 300px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.batch-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.batch-select option {
    background: #d3d1d5;
    color: black;
    padding: 8px;
}

.batch-select:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.suggestion-area {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 0s;
  }

  .suggestion-btn {
    background: linear-gradient(93deg, #6411ff, #4facfe5a,#9668eb57, #6411ff26);
    color: #fff;
    font-size: 20px;
    font-weight: 600;
    text-decoration: none;
    padding: 14px 36px;
    border-radius: 10px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.373);
    transition: all 0.5s ease;
    border: 1px solid #ffffff6e;
    cursor: pointer;
    display: inline-block;
  }

  .suggestion-btn:hover {
    transform: scale(1.08);
    box-shadow: 0 8px 22px rgb(101, 101, 225);
    color: var(--light-color);
  }

/* Exam Routine Dropdown */
.exam-routine-dropdown {
    margin-top: 20px;
    text-align: center;
}

.exam-routine-dropdown label {
    display: block;
    color: white;
    font-size: 1rem;
    font-weight: 500;
    margin-bottom: 8px;
}

.exam-routine-select {
    width: 100%;
    max-width: 300px;
    padding: 12px 16px;
    background: rgba(255, 255, 255, 0.1);
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: var(--border-radius);
    color: white;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: var(--transition);
    backdrop-filter: blur(10px);
}

.exam-routine-select:focus {
    outline: none;
    border-color: rgba(255, 255, 255, 0.8);
    background: rgba(255, 255, 255, 0.2);
    box-shadow: 0 0 0 3px rgba(255, 255, 255, 0.1);
}

.exam-routine-select option {
    background: #d3d1d5;
    color: black;
    padding: 8px;
}

.exam-routine-select:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.15);
}

.header-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml;base64,PHN2ZyB4bWxucz0iaHR0cDovL3d3dy53My5vcmcvMjAwMC9zdmciIHdpZHRoPSIxMDAlIiBoZWlnaHQ9IjEwMCUiPjxkZWZzPjxwYXR0ZXJuIGlkPSJwYXR0ZXJuIiB3aWR0aD0iNDAiIGhlaWdodD0iNDAiIHBhdHRlcm5Vbml0cz0idXNlclNwYWNlT25Vc2UiIHBhdHRlcm5UcmFuc2Zvcm09InJvdGF0ZSg0NSkiPjxyZWN0IHdpZHRoPSIyMCIgaGVpZ2h0PSIyMCIgZmlsbD0icmdiYSgyNTUsMjU1LDI1NSwwLjA1KSIvPjwvcGF0dGVybj48L2RlZnM+PHJlY3Qgd2lkdGg9IjEwMCUiIGhlaWdodD0iMTAwJSIgZmlsbD0idXJsKCNwYXR0ZXJuKSIvPjwvc3ZnPg==');
    animation: bgMove 30s linear infinite;
}

@keyframes bgMove {
    0% {
        background-position: 0 0;
    }

    100% {
        background-position: 1000px 1000px;
    }
}

/* Countdown Section */
.countdown-container {
    background: linear-gradient(135deg, var(--primary-color), var(--accent-color));
    color: white;
    padding: 40px;
    border-radius: var(--border-radius);
    text-align: center;
    box-shadow: var(--box-shadow);
    width: 100%;
    max-width: 500px;
}

.countdown-title {
    font-size: 1.8rem;
    margin-bottom: 20px;
}

.countdown-subtitle {
    font-size: 1.2rem;
    margin-bottom: 30px;
    font-weight: 300;
}

.countdown {
    display: flex;
    justify-content: center;
    gap: 20px;
}

.countdown-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 20px;
    border-radius: var(--border-radius);
    min-width: 100px;
}

.countdown-number {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.countdown-label {
    font-size: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* CG Calculator Section */
.calculator-container {
    background: white;
    border-radius: var(--border-radius);
    box-shadow: var(--box-shadow);
    padding: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.calculator-form {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

.form-group {
    margin-bottom: 15px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
}

.form-group input {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    transition: var(--transition);
}

/* Match select with input styling for consistency */
.form-group select {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius);
    background: white;
    transition: var(--transition);
}

.form-group input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.form-group select:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 2px rgba(67, 97, 238, 0.2);
}

.error-message {
    color: var(--danger-color);
    font-size: 0.8rem;
    margin-top: 5px;
    display: none;
}

.calculator-result {
    background: var(--light-color);
    padding: 25px;
    border-radius: var(--border-radius);
}

.result-title {
    font-size: 1.3rem;
    margin-bottom: 20px;
    color: var(--secondary-color);
    text-align: center;
}

.result-item {
    margin-bottom: 15px;
    padding-bottom: 15px;
    border-bottom: 1px solid #ddd;
}

.result-item:last-child {
    border-bottom: none;
}

.result-label {
    font-weight: 500;
    margin-bottom: 5px;
}

.result-value {
    font-size: 1.1rem;
}

.highlight {
    color: var(--accent-color);
    font-weight: 600;
}



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

/* 1400px and below */
@media (max-width: 1400px) {
    .container {
        max-width: 1200px;
        padding: 10px 30px;
    }

    .header-content {
        gap: 30px;
    }

    .logo {
        font-size: 2.2rem;
    }

    .tagline {
        font-size: 1.3rem;
    }

    .welcome-text {
        font-size: 1rem;
    }

    .countdown-container {
        padding: 35px;
    }

    .countdown-title {
        font-size: 1.6rem;
    }

    .calculator-container {
        gap: 25px;
        padding: 25px;
    }
}

/* 1200px and below */
@media (max-width: 1200px) {
    .container {
        max-width: 1200px;
        padding: 10px 25px;
    }

    .header-content {
        gap: 25px;
        min-height: 50vh;
    }

    .logo {
        font-size: 2rem;
    }

    .tagline {
        font-size: 1.2rem;
    }

    .welcome-text {
        font-size: 0.95rem;
        margin-bottom: 25px;
    }

    .typing-text {
        font-size: 1.1rem;
        min-height: 50px;
    }

    .countdown-container {
        padding: 30px;
        max-width: 400px;
    }

    .countdown-title {
        font-size: 1.5rem;
    }

    .countdown-subtitle {
        font-size: 1.1rem;
    }

    .countdown {
        gap: 15px;
    }

    .countdown-item {
        padding: 15px;
        min-width: 75px;
    }

    .countdown-number {
        font-size: 2rem;
    }

    .calculator-container {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .calculator-form {
        grid-template-columns: 1fr 1fr;
    }

}

/* 768px and below */
@media (max-width: 768px) {
    .container {
        padding: 10px 20px;
    }

    section {
        padding: 40px 0;
    }

    .section-title {
        font-size: 1.6rem;
        margin-bottom: 30px;
    }

    /* Header */
    header {
        margin-top: 60px;
        padding: 20px 0;
    }

    .header-content {
        grid-template-columns: 1fr;
        gap: 30px;
        min-height: auto;
        text-align: center;
    }

    .hero-left {
        text-align: center;
        padding-left: 0;
    }

    .hero-right {
        order: +1;
    }

    .logo {
        font-size: 1.8rem;
    }

    .tagline {
        font-size: 1.1rem;
        margin-bottom: 20px;
    }

    .welcome-text {
        font-size: 0.9rem;
        margin-bottom: 20px;
    }

    .typing-text {
        font-size: 1rem;
        min-height: 40px;
        margin-bottom: 20px;
    }

    .batch-dropdown {
        margin-bottom: 15px;
        align-items: center;
    }

    .batch-select {
        max-width: 250px;
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    .exam-routine-dropdown {
        margin-top: 15px;
    }

    .exam-routine-select {
        max-width: 250px;
        padding: 10px 12px;
        font-size: 0.9rem;
    }

    /* Countdown */
    .countdown-container {
        padding: 25px;
        max-width: 100%;
    }

    .countdown-title {
        font-size: 1.3rem;
        margin-bottom: 15px;
    }

    .countdown-subtitle {
        font-size: 1rem;
        margin-bottom: 20px;
    }

    .countdown {
        gap: 10px;
    }

    .countdown-item {
        padding: 12px 8px;
        min-width: 60px;
    }

    .countdown-number {
        font-size: 1.5rem;
    }

    .countdown-label {
        font-size: 0.7rem;
    }

    /* Calculator */
    .calculator-container {
        padding: 20px;
    }

    .calculator-form {
        grid-template-columns: 1fr 1fr;
        gap: 15px;
    }

    .form-group {
        margin-bottom: 12px;
    }

    .form-group input {
        padding: 8px 10px;
        font-size: 0.9rem;
    }

    .calculator-result {
        padding: 20px;
    }

    .result-title {
        font-size: 1.1rem;
        margin-bottom: 15px;
    }

    .result-value {
        font-size: 1rem;
    }

}

/* 640px and below */
@media (max-width: 640px) {
    .container {
        padding: 10px 15px;
    }

    section {
        padding: 30px 0;
    }

    .section-title {
        font-size: 1.4rem;
        margin-bottom: 25px;
    }

    /* Header */
    header {
        margin-top: 45px;
        padding: 15px 0;
    }

    .header-content {
        gap: 20px;
    }

    .logo {
        font-size: 1.6rem;
        margin-bottom: 8px;
    }

    .tagline {
        font-size: 1rem;
        margin-bottom: 15px;
    }

    .welcome-text {
        font-size: 0.85rem;
        margin-bottom: 15px;
        line-height: 1.6;
    }

    .typing-text {
        font-size: 0.9rem;
        min-height: 35px;
        margin-bottom: 15px;
    }

    .batch-dropdown label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .batch-select {
        max-width: 200px;
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    .exam-routine-dropdown {
        margin-top: 12px;
    }

    .exam-routine-dropdown label {
        font-size: 0.9rem;
        margin-bottom: 6px;
    }

    .exam-routine-select {
        max-width: 200px;
        padding: 8px 10px;
        font-size: 0.85rem;
    }

    /* Countdown */
    .countdown-container {
        padding: 20px;
    }

    .countdown-title {
        font-size: 1.1rem;
        margin-bottom: 10px;
    }

    .countdown-subtitle {
        font-size: 0.9rem;
        margin-bottom: 15px;
    }

    .countdown {
        gap: 8px;
    }

    .countdown-item {
        padding: 10px 6px;
        min-width: 50px;
    }

    .countdown-number {
        font-size: 1.2rem;
        margin-bottom: 3px;
    }

    .countdown-label {
        font-size: 0.6rem;
    }

    /* Calculator */
    .calculator-container {
        padding: 15px;
    }

    .calculator-form {
        gap: 12px;
    }

    .form-group {
        margin-bottom: 10px;
    }

    .form-group label {
        font-size: 0.9rem;
        margin-bottom: 4px;
    }

    .form-group input {
        padding: 7px 8px;
        font-size: 0.85rem;
    }

    .calculator-result {
        padding: 15px;
    }

    .result-title {
        font-size: 1rem;
        margin-bottom: 12px;
    }

    .result-item {
        margin-bottom: 12px;
        padding-bottom: 12px;
    }

    .result-label {
        font-size: 0.9rem;
    }

    .result-value {
        font-size: 0.9rem;
    }

    .btn {
        margin-top: 10px;
        padding: 8px 16px;
        font-size: 0.9rem;
    }

}