/* ============================================================
   Referral Scheme Page Styles — Namma Pasanga Luxury Studio
   ============================================================ */

/* ------------------------------------------------------------
   1. ELEVATED FLOATING FEATURE DECK (Overlapping Hero)
   ------------------------------------------------------------ */
.referral-feature-bar {
    position: relative;
    z-index: 20;
    margin-top: -38px;
    margin-bottom: 28px;
    padding: 0;
    background: transparent;
    border: none;
    box-shadow: none;
}

.referral-feature-row {
    background: linear-gradient(135deg, rgba(14, 46, 92, 0.97) 0%, rgba(7, 28, 56, 0.98) 100%);
    border: 1px solid rgba(255, 255, 255, 0.18);
    border-radius: 20px;
    padding: 24px 32px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    max-width: 1200px;
    margin: 0 auto;
    align-items: center;
    box-shadow: 0 16px 45px rgba(0, 0, 0, 0.28);
    backdrop-filter: blur(12px);
    color: #FFFFFF;
}

.referral-feature-item {
    display: flex;
    align-items: center;
    gap: 14px;
}

.referral-feature-icon {
    width: 46px;
    height: 46px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.2);
    color: #F59E0B;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: transform 0.25s ease, background 0.25s ease;
}

.referral-feature-item:hover .referral-feature-icon {
    background: rgba(245, 158, 11, 0.25);
    border-color: #F59E0B;
    transform: scale(1.08);
}

.referral-feature-label {
    font-family: 'Poppins', 'Inter', sans-serif;
    font-size: 14.5px;
    font-weight: 700;
    color: #FFFFFF;
    margin-bottom: 2px;
    line-height: 1.25;
}

.referral-feature-sub {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    color: #CBD5E1;
    line-height: 1.4;
}

/* ------------------------------------------------------------
   2. SCHEME INTRO BLOCK
   ------------------------------------------------------------ */
.section-ref-intro {
    background: #F8FAFC;
    padding: 60px 0 70px 0;
}

.ref-intro-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 24px;
    padding: 44px 48px;
    max-width: 1060px;
    margin: 0 auto;
    text-align: center;
    box-shadow: 0 10px 36px rgba(10, 37, 80, 0.04);
}

.ref-intro-badge {
    display: inline-block;
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    color: #B45309;
    font-family: 'Inter', sans-serif;
    font-size: 11.5px;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 20px;
    letter-spacing: 0.6px;
    margin-bottom: 16px;
}

.ref-intro-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(24px, 2.8vw, 32px);
    font-weight: 800;
    color: #0A2550;
    margin: 0 0 16px 0;
}

.ref-intro-text {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: #475569;
    line-height: 1.75;
    max-width: 860px;
    margin: 0 auto 32px auto;
}

.ref-intro-metrics {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 32px;
    background: #F8FAFC;
    border: 1px solid #EEF2F6;
    border-radius: 16px;
    padding: 20px 32px;
    max-width: 680px;
    margin: 0 auto;
}

.metric-box {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.metric-box strong {
    font-family: 'Poppins', sans-serif;
    font-size: 24px;
    font-weight: 800;
    color: #0066FF;
    line-height: 1.1;
}

.metric-box span {
    font-family: 'Inter', sans-serif;
    font-size: 12px;
    font-weight: 600;
    color: #64748B;
    margin-top: 4px;
}

.metric-divider {
    width: 1px;
    height: 36px;
    background: #CBD5E1;
}

/* ------------------------------------------------------------
   3. LIVE REWARD SIMULATOR & CALCULATOR WIDGET
   ------------------------------------------------------------ */
.section-ref-calculator {
    background: #FFFFFF;
    padding: 80px 0;
}

.ref-calc-wrapper {
    max-width: 900px;
    margin: 0 auto;
}

.calc-header {
    text-align: center;
    margin-bottom: 36px;
}

.calc-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(24px, 2.6vw, 32px);
    font-weight: 800;
    color: #0A2550;
    margin: 10px 0 8px 0;
}

.calc-sub {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: #64748B;
    margin: 0;
}

.calc-card {
    background: radial-gradient(circle at 75% 25%, #153B6E 0%, #0B2545 70%, #061833 100%);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 24px;
    padding: 38px 40px;
    color: #FFFFFF;
    box-shadow: 0 20px 50px rgba(11, 37, 69, 0.25);
}

.calc-label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    font-weight: 700;
    color: #FCD34D;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

/* Stream Buttons */
.calc-stream-btns {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 32px;
}

.calc-stream-btn {
    background: rgba(255, 255, 255, 0.08);
    border: 1.5px solid rgba(255, 255, 255, 0.2);
    border-radius: 14px;
    padding: 14px 20px;
    color: #FFFFFF;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.25s ease;
    text-align: center;
}

.calc-stream-btn:hover {
    background: rgba(255, 255, 255, 0.15);
    border-color: #F59E0B;
}

.calc-stream-btn.active {
    background: linear-gradient(135deg, #F59E0B 0%, #D97706 100%);
    border-color: #F59E0B;
    color: #0A2550;
    box-shadow: 0 6px 18px rgba(245, 158, 11, 0.35);
}

/* Slider Section */
.calc-slider-section {
    margin-bottom: 32px;
}

.slider-meta-row {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.slider-meta-row .calc-label {
    margin-bottom: 0;
}

.slider-val-display {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: #FFFFFF;
    background: rgba(255, 255, 255, 0.12);
    padding: 4px 14px;
    border-radius: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.ref-range-slider {
    width: 100%;
    height: 8px;
    border-radius: 4px;
    background: rgba(255, 255, 255, 0.2);
    outline: none;
    -webkit-appearance: none;
    cursor: pointer;
}

.ref-range-slider::-webkit-slider-thumb {
    -webkit-appearance: none;
    appearance: none;
    width: 26px;
    height: 26px;
    border-radius: 50%;
    background: #F59E0B;
    border: 3px solid #FFFFFF;
    box-shadow: 0 0 12px rgba(245, 158, 11, 0.6);
    cursor: pointer;
    transition: transform 0.2s ease;
}

.ref-range-slider::-webkit-slider-thumb:hover {
    transform: scale(1.15);
}

.slider-ticks {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 14px;
    padding: 0 4px;
}

.tick-btn {
    font-family: var(--font-heading);
    font-size: 13px;
    font-weight: 700;
    color: #CBD5E1;
    cursor: pointer;
    padding: 5px 12px;
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.16);
    transition: all 0.22s ease;
    user-select: none;
    text-align: center;
    min-width: 38px;
}

.tick-btn:hover {
    color: #FCD34D;
    background: rgba(255, 255, 255, 0.18);
    border-color: #F59E0B;
    transform: translateY(-2px);
}

.tick-btn.active {
    color: #0A2550;
    background: linear-gradient(135deg, #FBBF24 0%, #F59E0B 100%);
    border-color: #F59E0B;
    font-weight: 800;
    box-shadow: 0 4px 14px rgba(245, 158, 11, 0.45);
    transform: scale(1.1);
}

/* Dynamic Result Box */
.calc-result-box {
    background: rgba(0, 0, 0, 0.25);
    border: 1.5px solid rgba(245, 158, 11, 0.4);
    border-radius: 18px;
    padding: 24px;
    text-align: center;
    backdrop-filter: blur(10px);
}

.calc-unlocked-badge {
    background: #F59E0B;
    color: #0A2550;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 900;
    padding: 3px 12px;
    border-radius: 12px;
    letter-spacing: 0.6px;
    display: inline-block;
    margin-bottom: 10px;
}

.calc-reward-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(18px, 2.2vw, 22px);
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 0 6px 0;
}

.calc-reward-perk {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 600;
    color: #FCD34D;
    margin-bottom: 20px;
}

.calc-cta-row {
    display: flex;
    justify-content: center;
}

/* ------------------------------------------------------------
   4. REWARD MILESTONE CARDS (Engineering & Medical)
   ------------------------------------------------------------ */
.section-ref-tables {
    background: #F8FAFC;
    padding: 80px 0;
}

.ref-track-block {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(10, 37, 80, 0.04);
}

.track-header-bar {
    padding: 24px 32px;
    display: flex;
    align-items: center;
    gap: 18px;
    color: #FFFFFF;
}

.track-header-bar.track-eng {
    background: radial-gradient(circle at 80% 20%, #1E40AF 0%, #0A2550 100%);
    border-bottom: 3px solid #0066FF;
}

.track-header-bar.track-med {
    background: radial-gradient(circle at 80% 20%, #0F766E 0%, #064E3B 100%);
    border-bottom: 3px solid #10B981;
}

.track-icon {
    font-size: 34px;
    flex-shrink: 0;
}

.track-title-info h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: #FFFFFF;
    margin: 0 0 4px 0;
}

.track-title-info p {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: #CBD5E1;
    margin: 0;
}

/* Tier Cards Grid */
.tier-cards-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 16px;
    padding: 28px;
}

.tier-cards-grid.tier-cards-3col {
    grid-template-columns: repeat(3, 1fr);
}

.tier-card {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 18px;
    padding: 20px 18px;
    display: flex;
    flex-direction: column;
    transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}

.tier-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 10px 24px rgba(10, 37, 80, 0.08);
    border-color: #93C5FD;
    background: #FFFFFF;
}

.tier-card.tier-card-med:hover {
    border-color: #6EE7B7;
}

.tier-card-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 12px;
}

.tier-icon {
    font-size: 24px;
}

.tier-badge-tag {
    font-family: 'Inter', sans-serif;
    font-size: 10px;
    font-weight: 800;
    color: #0066FF;
    background: #EFF6FF;
    padding: 2px 8px;
    border-radius: 10px;
    letter-spacing: 0.4px;
}

.tier-card-med .tier-badge-tag {
    color: #059669;
    background: #ECFDF5;
}

.tier-referral-count {
    font-family: 'Inter', sans-serif;
    font-size: 12.5px;
    color: #64748B;
    margin-bottom: 12px;
}

.tier-referral-count strong {
    font-family: 'Poppins', sans-serif;
    font-size: 16px;
    color: #0A2550;
    display: block;
}

.tier-reward-main {
    margin-bottom: 14px;
    flex-grow: 1;
}

.reward-label {
    display: block;
    font-family: 'Inter', sans-serif;
    font-size: 11px;
    font-weight: 700;
    color: #64748B;
    text-transform: uppercase;
    letter-spacing: 0.4px;
    margin-bottom: 4px;
}

.reward-val {
    font-family: 'Poppins', sans-serif;
    font-size: 13.5px;
    font-weight: 700;
    color: #0A2550;
    line-height: 1.35;
}

.tier-gift-box {
    background: #FFFBEB;
    border: 1px solid #FDE68A;
    border-radius: 10px;
    padding: 8px 10px;
    font-family: 'Inter', sans-serif;
    font-size: 11.5px;
    font-weight: 600;
    color: #92400E;
    display: flex;
    align-items: center;
    gap: 6px;
}

/* ------------------------------------------------------------
   5. 3-STEP SIMPLE PROCESS
   ------------------------------------------------------------ */
.section-ref-steps {
    background: #FFFFFF;
    padding: 80px 0;
}

.ref-steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    max-width: 1060px;
    margin: 0 auto;
}

.ref-step-card {
    background: #F8FAFC;
    border: 1px solid #E2E8F0;
    border-radius: 20px;
    padding: 32px 24px;
    text-align: center;
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.ref-step-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 14px 36px rgba(10, 37, 80, 0.08);
    border-color: #BFDBFE;
    background: #FFFFFF;
}

.step-num-badge {
    position: absolute;
    top: 16px;
    right: 18px;
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 800;
    color: #94A3B8;
}

.step-icon-wrap {
    width: 60px;
    height: 60px;
    border-radius: 18px;
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 18px auto;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.04);
}

.ref-step-card h4 {
    font-family: 'Poppins', sans-serif;
    font-size: 17px;
    font-weight: 700;
    color: #0A2550;
    margin: 0 0 10px 0;
}

.ref-step-card p {
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    color: #64748B;
    line-height: 1.6;
    margin: 0;
}

/* ------------------------------------------------------------
   6. NAMMA PASUNGA – STUDENT REGISTRATION FORM
   ------------------------------------------------------------ */
.section-ref-form {
    background: #F8FAFC;
    padding: 80px 0;
}

.ref-form-wrapper {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 20px;
    padding: 24px 16px;
    max-width: 980px;
    width: 100%;
    box-sizing: border-box;
    margin: 0 auto;
    box-shadow: 0 12px 40px rgba(10, 37, 80, 0.05);
}

.ref-form-header {
    text-align: center;
    margin-bottom: 28px;
}

.ref-form-title {
    font-family: 'Poppins', sans-serif;
    font-size: clamp(22px, 2.5vw, 28px);
    font-weight: 800;
    color: #0A2550;
    margin: 10px 0 8px 0;
}

.ref-form-sub {
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    color: #64748B;
    margin: 0;
}

.student-reg-card {
    background: #FFFFFF;
    border: 1px solid #E2E8F0;
    border-radius: 16px;
    padding: 20px 14px;
    width: 100%;
    box-sizing: border-box;
    box-shadow: 0 4px 20px rgba(10, 37, 80, 0.02);
}

@media (min-width: 768px) {
    .ref-form-wrapper {
        padding: 36px 28px;
        border-radius: 22px;
    }
    .student-reg-card {
        padding: 28px 26px;
        border-radius: 18px;
    }
}

@media (min-width: 993px) {
    .ref-form-wrapper {
        padding: 44px;
        border-radius: 24px;
    }
    .student-reg-card {
        padding: 32px 34px;
        border-radius: 20px;
    }
}

.reg-card-intro {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 24px;
    padding-bottom: 18px;
    border-bottom: 1px solid #F1F5F9;
}

.reg-intro-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.reg-card-intro h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 18px;
    font-weight: 800;
    color: #0A2550;
    margin: 0 0 2px 0;
}

.reg-card-intro p {
    font-family: 'Inter', sans-serif;
    font-size: 13px;
    color: #64748B;
    margin: 0;
}

.form-section-title {
    font-family: 'Poppins', sans-serif;
    font-size: 14px;
    font-weight: 700;
    color: #0066FF;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.ref-form-grid,
.ref-referrer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 16px;
    width: 100%;
    box-sizing: border-box;
}

@media (min-width: 768px) {
    .ref-referrer-grid {
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 18px;
    }
}

@media (min-width: 993px) {
    .ref-form-grid {
        grid-template-columns: repeat(3, minmax(0, 1fr));
        gap: 18px;
    }
}

.ref-input-group {
    display: flex;
    flex-direction: column;
    width: 100%;
    min-width: 0;
    box-sizing: border-box;
}

.ref-input-group label {
    font-family: 'Inter', sans-serif;
    font-size: 12.5px;
    font-weight: 700;
    color: #334155;
    margin-bottom: 6px;
}

.ref-input-group input,
.ref-input-group select {
    width: 100%;
    max-width: 100%;
    min-width: 0;
    box-sizing: border-box;
    border: 1.5px solid #CBD5E1;
    border-radius: 12px;
    padding: 12px 14px;
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    color: #0A2550;
    background: #FFFFFF;
    outline: none;
    transition: all 0.25s ease;
}

.ref-input-group input:focus,
.ref-input-group select:focus {
    border-color: #0066FF;
    box-shadow: 0 0 0 4px rgba(0, 102, 255, 0.12);
}

.reg-form-actions {
    margin-top: 32px;
    display: flex;
    justify-content: center;
    align-items: center;
    width: 100%;
}

.btn-ref-submit {
    background: linear-gradient(135deg, #0066FF 0%, #0047BA 100%);
    color: #FFFFFF;
    border: none;
    border-radius: 14px;
    padding: 16px 36px;
    font-family: 'Poppins', sans-serif;
    font-size: 15.5px;
    font-weight: 700;
    cursor: pointer;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    box-shadow: 0 8px 24px rgba(0, 102, 255, 0.28);
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    width: 100%;
    max-width: 440px;
}

.btn-ref-submit:hover {
    background: linear-gradient(135deg, #0A2550 0%, #0066FF 100%);
    transform: translateY(-2px);
    box-shadow: 0 12px 30px rgba(0, 102, 255, 0.38);
}

.btn-ref-submit:disabled {
    opacity: 0.7;
    cursor: not-allowed;
    transform: none;
}

/* Success Box */
.reg-success-box {
    background: #F0FDF4;
    border: 1.5px solid #BBF7D0;
    border-radius: 18px;
    padding: 36px 28px;
    text-align: center;
    animation: fadeIn 0.4s ease;
}

.success-icon-wrap {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    background: #DCFCE7;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px auto;
}

.reg-success-box h3 {
    font-family: 'Poppins', sans-serif;
    font-size: 20px;
    font-weight: 800;
    color: #065F46;
    margin: 0 0 8px 0;
}

.success-ref-text {
    font-family: 'Inter', sans-serif;
    font-size: 15px;
    color: #047857;
    margin: 0 0 6px 0;
}

.success-ref-text strong {
    background: #FFFFFF;
    padding: 3px 10px;
    border-radius: 6px;
    border: 1px solid #86EFAC;
    color: #065F46;
    font-weight: 800;
}

.success-sub-text {
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    color: #475569;
    max-width: 520px;
    margin: 0 auto 24px auto;
    line-height: 1.6;
}

.success-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.btn-success-wa {
    background: #25D366;
    color: #FFFFFF;
    border-radius: 12px;
    padding: 12px 24px;
    font-family: 'Inter', sans-serif;
    font-size: 14px;
    font-weight: 700;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 4px 14px rgba(37, 211, 102, 0.3);
    transition: all 0.2s ease;
}

.btn-success-wa:hover {
    background: #1EBE5B;
    transform: translateY(-2px);
    box-shadow: 0 8px 20px rgba(37, 211, 102, 0.4);
}

.btn-success-new {
    background: #FFFFFF;
    color: #0A2550;
    border: 1.5px solid #CBD5E1;
    border-radius: 12px;
    padding: 12px 20px;
    font-family: 'Inter', sans-serif;
    font-size: 13.5px;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.2s ease;
}

.btn-success-new:hover {
    background: #F8FAFC;
    border-color: #94A3B8;
}

/* ------------------------------------------------------------
   7. TERMS & FAQ ACCORDION
   ------------------------------------------------------------ */
.section-ref-faq {
    background: #F8FAFC;
    padding: 90px 0;
    position: relative;
}

.faq-list {
    max-width: 880px;
    margin: 40px auto 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.faq-item {
    background: #FFFFFF;
    border: 1.5px solid #E2E8F0;
    border-radius: 18px;
    overflow: hidden;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
    box-shadow: 0 4px 16px rgba(10, 37, 80, 0.03);
}

.faq-item:hover {
    border-color: #BFDBFE;
    box-shadow: 0 8px 24px rgba(10, 37, 80, 0.07);
    transform: translateY(-2px);
}

.faq-item.active {
    border-color: #0066FF;
    box-shadow: 0 10px 30px rgba(0, 102, 255, 0.1);
}

.faq-question {
    width: 100%;
    padding: 20px 24px;
    background: transparent;
    border: none;
    outline: none;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    text-align: left;
    transition: background 0.2s ease;
}

.faq-question:hover {
    background: #F8FAFC;
}

.faq-item.active .faq-question {
    background: #F0F7FF;
}

.faq-q-left {
    display: flex;
    align-items: center;
    gap: 14px;
    flex: 1;
}

.faq-q-icon {
    width: 36px;
    height: 36px;
    border-radius: 12px;
    background: #EFF6FF;
    color: #0066FF;
    font-family: 'Poppins', sans-serif;
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.25s ease;
}

.faq-item.active .faq-q-icon {
    background: #0066FF;
    color: #FFFFFF;
}

.faq-q-text {
    font-family: 'Poppins', sans-serif;
    font-size: 15.5px;
    font-weight: 700;
    color: #0A2550;
    line-height: 1.45;
    transition: color 0.25s ease;
}

.faq-item.active .faq-q-text {
    color: #0066FF;
}

.faq-chevron {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: #F1F5F9;
    color: #64748B;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s cubic-bezier(0.16, 1, 0.3, 1);
}

.faq-item.active .faq-chevron {
    background: #0066FF;
    color: #FFFFFF;
    transform: rotate(180deg);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s cubic-bezier(0.16, 1, 0.3, 1), padding 0.3s ease;
    padding: 0 24px;
    background: #FFFFFF;
}

.faq-item.active .faq-answer {
    max-height: 300px;
    padding: 16px 24px 22px 74px;
    border-top: 1px solid #F1F5F9;
}

.faq-answer p {
    font-family: 'Inter', sans-serif;
    font-size: 14.5px;
    color: #475569;
    line-height: 1.7;
    margin: 0;
}

.ref-footer-disclaimer {
    text-align: center;
    font-family: 'Inter', sans-serif;
    font-size: 12.5px;
    color: #64748B;
    max-width: 840px;
    margin: 36px auto 0 auto;
    line-height: 1.65;
    padding: 14px 20px;
    background: #FFFFFF;
    border-radius: 14px;
    border: 1px dashed #CBD5E1;
}

/* ------------------------------------------------------------
   8. RESPONSIVE BREAKPOINTS
   ------------------------------------------------------------ */
@media (max-width: 1100px) {
    .tier-cards-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 992px) {
    .referral-feature-bar {
        margin-top: -30px;
        padding: 0 20px;
    }

    .referral-feature-row {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
        padding: 20px 22px;
    }

    .ref-form-wrapper {
        padding: 32px 20px;
    }

    .student-reg-card {
        padding: 24px 18px;
    }

    .ref-form-grid,
    .ref-referrer-grid,
    .ref-form-grid.ref-form-grid-2col {
        grid-template-columns: 1fr !important;
        gap: 16px;
    }

    .btn-ref-submit {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box;
    }

    .ref-steps-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }

    .tier-cards-grid,
    .tier-cards-grid.tier-cards-3col {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 640px) {
    .referral-feature-bar {
        margin-top: -24px;
        padding: 0 14px;
    }

    .referral-feature-row {
        grid-template-columns: 1fr;
        padding: 16px 14px;
        gap: 12px;
    }

    .ref-intro-card {
        padding: 28px 20px;
    }

    .ref-intro-metrics {
        flex-direction: column;
        gap: 16px;
    }

    .metric-divider {
        width: 100%;
        height: 1px;
    }

    .calc-card {
        padding: 24px 16px;
    }

    .calc-stream-btns {
        grid-template-columns: 1fr;
        gap: 10px;
    }

    .tier-cards-grid,
    .tier-cards-grid.tier-cards-3col {
        grid-template-columns: 1fr;
    }

    .section-ref-form {
        padding: 48px 0;
    }

    .ref-form-wrapper {
        padding: 20px 14px;
        border-radius: 18px;
    }

    .student-reg-card {
        padding: 18px 12px;
        border-radius: 16px;
    }

    .reg-card-intro {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
        margin-bottom: 20px;
        padding-bottom: 14px;
    }

    .ref-form-grid,
    .ref-referrer-grid,
    .ref-form-grid.ref-form-grid-2col {
        grid-template-columns: 1fr !important;
        gap: 14px;
    }

    .ref-input-group {
        width: 100%;
    }

    .ref-input-group input,
    .ref-input-group select {
        width: 100%;
        box-sizing: border-box;
        padding: 12px 14px;
        font-size: 14px;
    }

    .reg-form-actions {
        margin-top: 24px;
        width: 100%;
    }

    .btn-ref-submit {
        width: 100% !important;
        max-width: 100% !important;
        padding: 14px 20px;
        font-size: 14.5px;
        box-sizing: border-box;
    }
}