/*
 * Pitechpedia Services — Google Material Design 3
 * Unified M3 Solution Center Design
 */

:root {
    --m3-primary: #4285F4;
    --m3-on-primary: #ffffff;
    --m3-primary-container: #d3e3fd;
    --m3-on-primary-container: #041e49;

    --m3-surface: #f8f9fa;
    --m3-surface-container-low: #f1f3f4;
    --m3-surface-container: #eef0f2;
    --m3-surface-variant: #e1e2e6;
    --m3-on-surface: #1f1f1f;
    --m3-on-surface-variant: #44474e;

    --m3-outline: #74777f;
    --m3-outline-variant: #c4c7cf;

    --m3-error: #b3261e;

    --drawer-width: 320px;
    --header-height: 64px;
}

body.dark-mode {
    --m3-primary: #a8c7fa;
    --m3-on-primary: #062e6f;
    --m3-primary-container: #0842a0;
    --m3-on-primary-container: #d3e3fd;

    --m3-surface: #1a1c1e;
    --m3-surface-container-low: #0f1113;
    --m3-surface-container: #1d1f21;
    --m3-surface-variant: #44474e;
    --m3-on-surface: #e2e2e6;
    --m3-on-surface-variant: #c4c7cf;

    --m3-outline: #8e9099;
    --m3-outline-variant: #44474e;
}

/* === Layout === */
.m3-services-layout {
    display: flex;
    min-height: calc(100vh - var(--header-height));
    background: var(--m3-surface);
    font-family: 'Inter', sans-serif;
    color: var(--m3-on-surface);
}

/* === Navigation Drawer === */
.m3-serv-drawer {
    width: var(--drawer-width);
    background: var(--m3-surface-container-low);
    border-right: 1px solid var(--m3-outline-variant);
    padding: 24px 0;
    display: flex;
    flex-direction: column;
    flex-shrink: 0;
    overflow-y: auto;
    max-height: calc(100vh - var(--header-height));
    position: sticky;
    top: var(--header-height);
    z-index: 1000;
    transition: transform 0.3s cubic-bezier(0.2, 0, 0, 1);
}

.drawer-header {
    padding: 0 24px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
}

.m3-icon-container {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: var(--m3-primary-container);
    color: var(--m3-on-primary-container);
    display: flex;
    align-items: center;
    justify-content: center;
}

.m3-title-medium {
    font-family: 'Outfit', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: var(--m3-on-surface);
    letter-spacing: 0.1px;
}

/* Drawer Search */
.drawer-search {
    position: relative;
    padding: 0 16px;
    margin-bottom: 16px;
}

.drawer-search input {
    width: 100%;
    padding: 12px 16px 12px 44px;
    background: var(--m3-surface-container);
    border: 1px solid var(--m3-outline-variant);
    border-radius: 28px;
    font-size: 0.875rem;
    font-family: 'Inter', sans-serif;
    color: var(--m3-on-surface);
    outline: none;
    transition: border-color 0.2s, box-shadow 0.2s;
}

.drawer-search input:focus {
    border-color: var(--m3-primary);
    box-shadow: 0 0 0 2px rgba(66, 133, 244, 0.15);
}

.drawer-search .search-icon {
    position: absolute;
    left: 30px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    color: var(--m3-on-surface-variant);
    pointer-events: none;
}

/* Nav Items */
.sec-title {
    padding: 16px 24px 8px;
    color: var(--m3-on-surface-variant);
    font-weight: 500;
    font-size: 0.7rem;
    letter-spacing: 1px;
}

.m3-serv-nav-items {
    display: flex;
    flex-direction: column;
    gap: 2px;
    padding: 0 12px;
}

.m3-serv-nav-item {
    height: 56px;
    border-radius: 28px;
    border: none;
    background: transparent;
    display: flex;
    align-items: center;
    padding: 0 24px;
    gap: 12px;
    color: var(--m3-on-surface) !important;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.2, 0, 0, 1);
    width: 100%;
    font-family: 'Inter', sans-serif;
    font-size: 0.875rem;
}

.m3-serv-nav-item:hover {
    background: rgba(0, 0, 0, 0.04);
}

body.dark-mode .m3-serv-nav-item:hover {
    background: rgba(255, 255, 255, 0.08);
}

.m3-serv-nav-item.active {
    background: var(--m3-primary-container) !important;
    color: var(--m3-on-primary-container) !important;
    font-weight: 700;
}

.m3-serv-nav-item .item-icon {
    font-size: 24px;
    color: var(--m3-on-surface-variant);
    font-variation-settings: 'FILL' 0, 'wght' 400;
}

.m3-serv-nav-item.active .item-icon {
    color: var(--m3-on-primary-container);
    font-variation-settings: 'FILL' 1, 'wght' 400;
}

.m3-serv-nav-item .item-label {
    font-weight: 500;
}

/* === Main Surface === */
.m3-serv-surface {
    flex: 1;
    padding: 40px 56px;
    min-height: calc(100vh - var(--header-height));
    overflow-y: auto;
}

.m3-serv-header {
    margin-bottom: 40px;
}

.m3-header-top {
    display: flex;
    align-items: center;
    gap: 16px;
}

.serv-drawer-toggle {
    display: none;
}

.m3-display-medium {
    font-family: 'Outfit', sans-serif;
    font-size: 2.25rem;
    font-weight: 700;
    color: var(--m3-on-surface);
    margin: 0 0 8px 0;
    letter-spacing: -0.5px;
}

.m3-display-small {
    font-family: 'Outfit', sans-serif;
    font-size: 2rem;
    font-weight: 700;
    color: var(--m3-on-surface);
    margin: 0 0 8px 0;
}

.m3-body-large {
    color: var(--m3-on-surface-variant);
    font-size: 1rem;
    max-width: 600px;
    line-height: 1.6;
    margin: 0;
}

.m3-icon-btn {
    width: 40px;
    height: 40px;
    border-radius: 20px;
    border: none;
    background: transparent;
    color: var(--m3-on-surface-variant);
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: background 0.2s;
}

.m3-icon-btn:hover {
    background: rgba(0, 0, 0, 0.06);
}

/* === Service Grid === */
.m3-serv-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    margin-bottom: 80px;
}

/* === Service Card === */
.m3-serv-card {
    background: var(--m3-surface-container);
    border: 1px solid var(--m3-outline-variant);
    border-radius: 16px;
    padding: 32px 28px;
    display: flex;
    flex-direction: column;
    transition: all 0.3s cubic-bezier(0.2, 0, 0, 1);
    position: relative;
    overflow: hidden;
}

.m3-serv-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.08);
    border-color: var(--m3-primary);
}

.m3-serv-icon-badge {
    width: 48px;
    height: 48px;
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.m3-serv-icon-badge .material-symbols-outlined {
    font-size: 28px;
}

.m3-serv-icon-badge.blue {
    background: #e8f0fe;
    color: #4285F4;
}

.m3-serv-icon-badge.red {
    background: #fce8e6;
    color: #EA4335;
}

.m3-serv-icon-badge.yellow {
    background: #fef7e0;
    color: #F9AB00;
}

.m3-serv-icon-badge.green {
    background: #e6f4ea;
    color: #34A853;
}

body.dark-mode .m3-serv-icon-badge.blue { background: rgba(66,133,244,0.15); }
body.dark-mode .m3-serv-icon-badge.red { background: rgba(234,67,53,0.15); }
body.dark-mode .m3-serv-icon-badge.yellow { background: rgba(249,171,0,0.15); }
body.dark-mode .m3-serv-icon-badge.green { background: rgba(52,168,83,0.15); }

.m3-serv-card .m3-title-small {
    font-family: 'Outfit', sans-serif;
    font-size: 1.25rem;
    font-weight: 700;
    margin: 0 0 12px 0;
    color: var(--m3-on-surface);
}

.m3-serv-card .m3-body-small {
    font-size: 0.875rem;
    color: var(--m3-on-surface-variant);
    line-height: 1.6;
    margin: 0 0 24px 0;
    flex: 1;
}

.m3-serv-actions {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: auto;
}

.m3-link-btn {
    color: var(--m3-primary);
    font-weight: 600;
    text-decoration: none;
    font-size: 0.85rem;
    display: flex;
    align-items: center;
    gap: 4px;
    transition: opacity 0.2s;
}

.m3-link-btn:hover {
    opacity: 0.8;
}

.m3-outline-btn {
    padding: 8px 20px;
    background: transparent;
    border: 1px solid var(--m3-outline-variant);
    border-radius: 20px;
    color: var(--m3-primary);
    font-weight: 600;
    font-size: 0.8rem;
    text-decoration: none;
    transition: all 0.2s;
}

.m3-outline-btn:hover {
    background: var(--m3-primary-container);
    border-color: var(--m3-primary-container);
}

/* === CTA Section === */
.m3-serv-cta {
    margin-top: 40px;
    padding: 64px 0;
    border-top: 1px solid var(--m3-outline-variant);
}

.cta-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    align-items: center;
    gap: 60px;
}

.cta-info .m3-display-small {
    margin-bottom: 16px;
    line-height: 1.2;
}

.cta-info .m3-body-large {
    margin-bottom: 32px;
}

.m3-btn-filled-large {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    background: var(--m3-primary);
    color: var(--m3-on-primary);
    padding: 14px 28px;
    border-radius: 24px;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 4px 12px rgba(66, 133, 244, 0.25);
    transition: transform 0.2s, box-shadow 0.2s;
}

.m3-btn-filled-large:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 16px rgba(66, 133, 244, 0.35);
}

.cta-visual img {
    width: 100%;
    border-radius: 24px;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.1);
}

/* === No Results State === */
.m3-no-results {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    color: var(--m3-on-surface-variant);
}

.m3-no-results .material-symbols-outlined {
    font-size: 56px;
    opacity: 0.4;
    display: block;
    margin-bottom: 16px;
}

/* === Responsive === */
@media (max-width: 1200px) {
    .m3-serv-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 900px) {
    .m3-serv-drawer {
        position: fixed;
        top: var(--header-height);
        left: 0;
        height: calc(100vh - var(--header-height));
        transform: translateX(-100%);
        box-shadow: none;
        z-index: 2000;
    }

    .m3-serv-drawer.open {
        transform: translateX(0);
        box-shadow: 8px 0 24px rgba(0,0,0,0.2);
    }

    .serv-drawer-toggle {
        display: flex !important;
        background: var(--m3-surface-container);
        border-radius: 12px;
    }

    .m3-serv-surface {
        padding: 24px 20px;
    }

    .cta-grid {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .m3-btn-filled-large {
        justify-content: center;
    }
}

@media (max-width: 600px) {
    .m3-serv-grid {
        grid-template-columns: 1fr;
    }

    .m3-display-medium {
        font-size: 1.75rem;
    }

    .m3-display-small {
        font-size: 1.5rem;
    }
}