:root {
    --primary: #3563E9;
    --primary-dark: #2251CC;
    --primary-light: #EBF1FF;
    --secondary: #f3f4f6;
    --text-dark: #1f2937;
    --text-light: #6b7280;
    --white: #ffffff;
    --success: #0e9f6e;
    --error: #e02424;

    /* Consistent spacing and styling variables */
    --border-radius-sm: 5px;
    --border-radius-md: 10px;
    --shadow-sm: 0 2px 4px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 6px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 5px 15px rgba(0, 0, 0, 0.2);
    --transition-standard: all 0.3s ease;
    --spacing-xs: 5px;
    --spacing-sm: 10px;
    --spacing-md: 20px;
    --spacing-lg: 30px;
    --spacing-xl: 50px;
    --spacing-xxl: 80px;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Oxygen, Ubuntu, Cantarell, "Open Sans", "Helvetica Neue", sans-serif;
}

body {
    color: var(--text-dark);
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

header {
    background-color: var(--white);
    box-shadow: var(--shadow-sm);
    padding: var(--spacing-md) 0;
    position: fixed;
    width: 100%;
    top: 0;
    z-index: 100;
}

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

.logo {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
}

/* Unified button styles */
.btn,
.nav-btn,
.cta-btn,
.form-submit {
    border: none;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-standard);
}

/* Specific button styles */
.nav-btn {
    background-color: var(--primary);
    color: var(--white);
    padding: var(--spacing-sm) var(--spacing-md);
    box-shadow: var(--shadow-sm);
}

.nav-btn:hover,
.cta-btn:hover,
.form-submit:hover {
    background-color: var(--primary-dark);
}

.hero {
    padding: 150px 0 var(--spacing-xxl);
    background: linear-gradient(135deg,
            var(--primary-light) 0%,
            #ffffff 100%);
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background: radial-gradient(circle at 70% 30%, rgba(53, 99, 233, 0.1) 0%, rgba(255, 255, 255, 0) 50%);
    z-index: 0;
}

.hero-content {
    position: relative;
    z-index: 1;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
    max-width: 600px;
    margin-left: 60px;
}

.hero-content p.hero-main {
    font-size: 1.4rem;
    margin-bottom: var(--spacing-sm);
    color: var(--text-dark);
}

.hero-content p.hero-sub {
    font-size: 1.1rem;
    margin-bottom: var(--spacing-lg);
    color: var(--text-light);
    font-weight: 500;
}

.hero h1 {
    font-size: 2.5rem;
    margin-bottom: var(--spacing-md);
    color: var(--primary-dark);
}

/* Unified section styling */
.section,
.benefits,
.how-it-works,
.startups {
    padding: var(--spacing-xxl) 0;
}

.section-title {
    text-align: center;
    font-size: 2rem;
    margin-bottom: var(--spacing-xl);
    color: var(--primary);
}

/* Card layouts */
.card-container,
.benefits-container,
.startups-container {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

/* Unified card styling */
.card,
.benefit-card,
.startup-card {
    flex: 1 1 300px;
    background-color: var(--white);
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-md);
    transition: var(--transition-standard);
}

.card:hover,
.benefit-card:hover,
.startup-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
}

.benefit-icon {
    width: 60px;
    height: 60px;
    background-color: var(--primary-light);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: var(--spacing-md);
}

.benefit-icon svg {
    width: 30px;
    height: 30px;
    fill: var(--primary);
}

.benefit-card h3,
.startup-card h3 {
    font-size: 1.2rem;
    margin-bottom: 15px;
    color: var(--primary-dark);
}

.benefit-card p,
.startup-card p {
    color: var(--text-light);
}

/* Process steps */
.process-container {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    max-width: 800px;
    margin: 0 auto;
}

.process-step {
    display: flex;
    align-items: flex-start;
    background-color: var(--white);
    padding: 25px;
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-sm);
}

.step-number {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    background-color: var(--primary);
    color: var(--white);
    border-radius: 50%;
    font-size: 1.5rem;
    font-weight: 700;
    margin-right: var(--spacing-md);
    flex-shrink: 0;
}

.step-content {
    flex: 1;
}

.step-content h3 {
    margin-bottom: var(--spacing-sm);
    color: var(--primary-dark);
    font-size: 1.3rem;
}

/* CTA button styling */
.cta-btn {
    display: inline-block;
    background-color: var(--primary);
    color: var(--white);
    padding: 15px 40px;
    font-size: 1.2rem;
    box-shadow: var(--shadow-md);
}

.cta-btn:hover {
    transform: translateY(-3px);
}

/* Startups section styling */
.startups {
    background-color: var(--primary-light);
}

.startup-card {
    display: flex;
    flex-direction: column;
}

.funding {
    display: inline-block;
    font-size: 0.9rem;
    color: var(--text-light);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.startup-card h3 {
    font-size: 1.3rem;
}

.startup-card p {
    margin-bottom: var(--spacing-md);
    flex-grow: 1;
}

.salary-range {
    font-weight: 700 !important;
    color: var(--success) !important;
    font-size: 1.1rem;
    margin-bottom: var(--spacing-md) !important;
}

.startup-card .nav-btn {
    align-self: flex-start;
}

/* Modal styles */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    z-index: 1000;
    overflow: auto;
    transition: var(--transition-standard);
}

.modal-content {
    background-color: var(--white);
    margin: 50px auto;
    max-width: 500px;
    padding: var(--spacing-lg);
    border-radius: var(--border-radius-md);
    box-shadow: var(--shadow-lg);
    transform: translateY(-50px);
    opacity: 0;
    transition: var(--transition-standard);
}

.modal.active {
    display: block;
}

.modal.active .modal-content {
    transform: translateY(0);
    opacity: 1;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: var(--spacing-md);
}

.modal-title {
    font-size: 1.5rem;
    color: var(--primary);
}

.close-btn {
    font-size: 1.5rem;
    background: none;
    border: none;
    cursor: pointer;
    color: var(--text-light);
}

/* Form styles */
.form-group {
    margin-bottom: var(--spacing-md);
}

.form-group label {
    display: block;
    margin-bottom: 8px;
    font-weight: 500;
    color: var(--text-dark);
}

.form-control {
    width: 100%;
    padding: 12px 15px;
    border: 1px solid #ddd;
    border-radius: var(--border-radius-sm);
    font-size: 1rem;
}

.file-input-container {
    position: relative;
    display: flex;
    flex-direction: column;
}

.custom-file-input {
    position: relative;
    background-color: var(--primary-light);
    color: var(--primary);
    padding: 12px 15px;
    border-radius: var(--border-radius-sm);
    border: 1px dashed var(--primary);
    font-weight: 500;
    cursor: pointer;
    text-align: center;
    transition: var(--transition-standard);
}

.custom-file-input:hover {
    border-color: var(--primary-dark);
}

.custom-file-input.file-selected {
    border-color: var(--success);
    color: var(--success);
    border-style: solid;
}

.file-name {
    margin-top: 8px;
    font-size: 0.9rem;
    color: var(--success);
    font-weight: 500;
}

.file-name strong {
    font-size: 1rem;
    display: block;
    margin-top: 4px;
}

#cv {
    opacity: 0;
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    cursor: pointer;
}

.toggle-container {
    position: relative;
    display: flex;
    width: 280px;
    height: 44px;
    background-color: #f0f0f0;
    border-radius: var(--border-radius-sm);
    margin-bottom: var(--spacing-md);
    border: 1px solid #ddd;
    overflow: hidden;
}

.toggle-container input[type="radio"] {
    opacity: 0;
    width: 0;
    height: 0;
    position: absolute;
}

.toggle-container label {
    flex: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 44px;
    z-index: 2;
    color: var(--text-dark);
    transition: color 0.3s;
    cursor: pointer;
    font-weight: 500;
}

.toggle-slider {
    position: absolute;
    top: 0;
    left: 0;
    width: 50%;
    height: 100%;
    background-color: var(--primary);
    transition: var(--transition-standard);
    z-index: 1;
}

#fulltime:checked~label[for="fulltime"] {
    color: var(--white);
}

#internship:checked~label[for="internship"] {
    color: var(--white);
}

#internship:checked~.toggle-slider {
    left: 50%;
}

.form-submit {
    background-color: var(--primary);
    color: var(--white);
    padding: 12px 20px;
    font-size: 1.1rem;
    width: 100%;
}

/* Loading spinner */
.spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s ease-in-out infinite;
    margin-right: var(--spacing-sm);
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

.loading-text {
    display: flex;
    align-items: center;
    justify-content: center;
}

.form-status {
    padding: var(--spacing-sm);
    margin: var(--spacing-sm) 0;
    border-radius: var(--border-radius-sm);
    display: none;
}

.success {
    background-color: rgba(14, 159, 110, 0.1);
    color: var(--success);
    border: 1px solid var(--success);
}

.error {
    background-color: rgba(224, 36, 36, 0.1);
    color: var(--error);
    border: 1px solid var(--error);
}

/* Loading overlay */
.form-loading-overlay {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(255, 255, 255, 0.9);
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 10;
    border-radius: var(--border-radius-md);
}

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

.loading-container p {
    margin-top: 15px;
    color: var(--primary);
    font-weight: 500;
}

.spinner.large {
    width: 40px;
    height: 40px;
    border-width: 4px;
    border-color: rgba(62, 71, 132, 0.3);
    border-top-color: var(--primary);
}

/* Toast notifications */
.toast {
    position: fixed;
    bottom: var(--spacing-md);
    right: var(--spacing-md);
    padding: 12px var(--spacing-md);
    background-color: white;
    color: var(--text-dark);
    border-radius: var(--border-radius-sm);
    box-shadow: var(--shadow-md);
    z-index: 1000;
    transform: translateY(100px);
    opacity: 0;
    transition: var(--transition-standard);
}

.toast.show {
    transform: translateY(0);
    opacity: 1;
}

.toast.success {
    background-color: var(--success);
    color: white;
}

.toast.error {
    background-color: var(--error);
    color: white;
}

/* Responsive design */
@media (max-width: 992px) {
    .hero-content {
        margin-left: 30px;
    }

    .section-title {
        font-size: 1.8rem;
    }
}

@media (max-width: 768px) {
    .hero {
        padding: 120px 0 var(--spacing-lg);
    }

    .hero h1 {
        font-size: 2rem;
    }

    .hero-content p {
        font-size: 1rem;
    }

    .hero-content {
        margin-left: 0;
    }

    .section-title {
        font-size: 1.7rem;
    }

    .benefits-container,
    .startups-container {
        flex-direction: column;
    }

    .benefit-card,
    .startup-card {
        flex: 1 1 100%;
    }

    .cta-btn {
        padding: 12px var(--spacing-lg);
        font-size: 1.1rem;
    }

    .process-step {
        flex-direction: column;
    }

    .step-number {
        margin-bottom: 15px;
        margin-right: 0;
    }

    .modal-content {
        margin: var(--spacing-md);
        width: calc(100% - var(--spacing-lg));
        max-width: none;
    }
}

@media (max-width: 480px) {
    .hero h1 {
        font-size: 1.8rem;
    }

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

    .toggle-container {
        width: 100%;
    }

    .benefit-icon {
        width: 50px;
        height: 50px;
    }
}