/* ============================================================
   STUDENT'S CORNER — PREMIUM EMBOSSED DESIGN
   ============================================================ */

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

:root {
    --bg:              #dde3ea;
    --surface:         #eef2f7;
    --surface-raised:  #f8fbfe;
    --surface-alt:     #f1f5f9;
    --text:            #1f2a36;
    --text-heading:    #2b3a4a;
    --text-muted:      #5f6c7c;
    --highlight:       rgba(255, 255, 255, 1);
    --shadow-light:    rgba(163, 177, 198, 0.5);
    --shadow-dark:     rgba(70, 85, 110, 0.3);
    --accent:          #2b5f9e;
    --accent-hover:    #1e4a7a;
    --accent-green:    #34a060;
    --accent-red:      #c94a4a;
    --accent-amber:    #d97706;
    --accent-purple:   #6d4a9e;
    --accent-teal:     #0f766e;
    --radius-sm:       0.5rem;
    --radius-md:       0.75rem;
    --radius-lg:       1rem;
    --radius-xl:       1.25rem;
    --transition:      0.25s cubic-bezier(0.16, 1, 0.3, 1);
}

/* Competition Corner — category icon colors */
.category-icon.cat-news       { color: var(--accent-purple); }
.category-icon.cat-gk         { color: var(--accent-teal); }
.category-icon.cat-sst        { color: #b45309; }
.category-icon.cat-polity     { color: var(--accent-red); }
.category-icon.cat-geography  { color: #0d9488; }
.category-icon.cat-economy    { color: var(--accent-green); }
.category-icon.cat-science    { color: #0891b2; }
.category-icon.cat-maths      { color: var(--accent); }
.category-icon.cat-hindi      { color: #c2410c; }
.category-icon.cat-evs        { color: #16a34a; }
.category-icon.cat-tet        { color: var(--accent-green); }
.category-icon.cat-other      { color: var(--accent-amber); }

html {
    overflow-x: hidden;
    -webkit-text-size-adjust: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: 'Noto Sans Devanagari', 'Poppins', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
    background:
        radial-gradient(circle at 15% 20%, rgba(43, 95, 158, 0.05), transparent 40%),
        radial-gradient(circle at 85% 80%, rgba(42, 122, 75, 0.05), transparent 40%),
        linear-gradient(145deg, #d4dbe4, #e6ecf3);
    background-attachment: fixed;
    color: var(--text);
    line-height: 1.65;
    font-size: 16px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
    overflow-x: hidden;
}

main {
    padding: 1rem 0.85rem 3rem;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    width: 100%;
}

a {
    text-decoration: none;
    color: inherit;
}

img {
    max-width: 100%;
    height: auto;
}

/* ============================================================
   BREADCRUMB
   ============================================================ */
.breadcrumb {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.75rem 1rem;
    margin: 0 auto 1rem;
    max-width: 1200px;
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #f8fbfe, #e3e9f0);
    border: 1px solid rgba(255, 255, 255, 1);
    font-size: 0.85rem;
    color: var(--text-muted);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

.breadcrumb a {
    color: var(--accent);
    font-weight: 600;
    transition: color var(--transition);
}

.breadcrumb a:hover {
    color: var(--accent-hover);
}

.breadcrumb a i {
    margin-right: 4px;
}

.breadcrumb .current {
    color: var(--text-heading);
    font-weight: 600;
}

/* ============================================================
   HERO SECTION
   ============================================================ */
.hero {
    position: relative;
    padding: 2.5rem 1.75rem 2.25rem;
    margin-bottom: 2rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, #f8fbfe, #e3e9f0);
    border: 1px solid rgba(255, 255, 255, 1);
    text-align: center;
    overflow: hidden;
    box-shadow:
        -10px -10px 26px var(--highlight),
         10px  10px 26px var(--shadow-light),
         14px  14px 34px var(--shadow-dark),
        inset 2px 2px 0 var(--highlight);
}

.hero-shapes {
    position: absolute;
    inset: 0;
    pointer-events: none;
    overflow: hidden;
}

.hero-shapes .circle {
    position: absolute;
    border-radius: 50%;
    opacity: 0.4;
}

.hero-shapes .c1 {
    width: 220px;
    height: 220px;
    top: -80px;
    right: -60px;
    background: radial-gradient(circle, rgba(43, 95, 158, 0.15), transparent 70%);
}

.hero-shapes .c2 {
    width: 180px;
    height: 180px;
    bottom: -60px;
    left: -50px;
    background: radial-gradient(circle, rgba(42, 122, 75, 0.15), transparent 70%);
}

.hero-shapes .c3 {
    width: 140px;
    height: 140px;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: radial-gradient(circle, rgba(109, 74, 158, 0.08), transparent 70%);
}

.hero-inner {
    position: relative;
    z-index: 1;
    max-width: 800px;
    margin: 0 auto;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1.15rem;
    margin-bottom: 1.25rem;
    border-radius: 2rem;
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    color: var(--accent);
    font-weight: 700;
    font-size: 0.78rem;
    letter-spacing: 0.5px;
    text-transform: uppercase;
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow:
        -3px -3px 8px var(--highlight),
         3px  3px 8px var(--shadow-light);
}

.hero-badge i {
    color: var(--accent-amber);
    animation: pulseGlow 2s ease-in-out infinite;
}

@keyframes pulseGlow {
    0%, 100% { opacity: 1; transform: scale(1); }
    50%      { opacity: 0.6; transform: scale(1.15); }
}

.hero h1 {
    font-size: 2.25rem;
    font-weight: 800;
    color: var(--text-heading);
    letter-spacing: -0.5px;
    margin-bottom: 0.6rem;
    line-height: 1.2;
    text-shadow:
        -2px -2px 3px rgba(255, 255, 255, 1),
         2px  2px 4px rgba(70, 85, 110, 0.15);
}

.hero h1 i {
    color: var(--accent);
    margin-right: 0.5rem;
}

.hero .sub {
    font-size: 1.1rem;
    color: var(--accent);
    font-weight: 600;
    margin-bottom: 1.1rem;
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
}

.hero .sub strong {
    color: var(--text-heading);
    font-weight: 700;
}

.hero .desc {
    font-size: 0.98rem;
    line-height: 1.75;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
    max-width: 680px;
    margin-left: auto;
    margin-right: auto;
}

.hero .desc strong {
    color: var(--text-heading);
    font-weight: 700;
}

/* Hero stats */
.hero-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 0.75rem;
    max-width: 700px;
    margin: 0 auto 1.5rem;
}

.hero-stat {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.25rem;
    padding: 0.85rem 0.5rem;
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

.hero-stat .num {
    font-size: 1.4rem;
    font-weight: 800;
    color: var(--accent);
    font-family: 'Poppins', sans-serif;
    line-height: 1;
    text-shadow:
        -1px -1px 2px rgba(255, 255, 255, 1),
         1px  1px 2px rgba(70, 85, 110, 0.12);
}

.hero-stat .label {
    font-size: 0.68rem;
    color: var(--text-muted);
    font-weight: 600;
    letter-spacing: 0.4px;
    text-transform: uppercase;
    text-align: center;
}

/* Hero subject badges */
.hero-badges {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.5rem;
    margin-bottom: 1.5rem;
}

.hero-badges span {
    display: inline-flex;
    align-items: center;
    gap: 0.4rem;
    padding: 0.4rem 0.95rem;
    border-radius: 2rem;
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    color: var(--text-heading);
    font-size: 0.8rem;
    font-weight: 600;
    border: 1px solid rgba(255, 255, 255, 1);
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
    box-shadow:
        -2px -2px 6px var(--highlight),
         2px  2px 6px var(--shadow-light);
    transition: transform var(--transition);
}

.hero-badges span:hover {
    transform: translateY(-2px);
}

.hero-badges span i {
    color: var(--accent);
    font-size: 0.8rem;
}

/* Hero CTA */
.hero-cta {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
}

.btn-primary,
.btn-secondary,
.btn-whatsapp {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.55rem;
    padding: 0.9rem 1.75rem;
    border-radius: var(--radius-md);
    font-size: 0.95rem;
    font-weight: 700;
    letter-spacing: 0.3px;
    cursor: pointer;
    transition: all var(--transition);
    text-decoration: none;
    font-family: inherit;
    border: 1px solid rgba(255, 255, 255, 0.25);
    text-shadow: 0 1px 3px rgba(0, 0, 0, 0.2);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
         0 4px 12px rgba(43, 95, 158, 0.25);
}

.btn-primary {
    color: #ffffff;
    background: linear-gradient(145deg, #2b5f9e, #1e4a7a);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow:
        -6px -6px 14px var(--highlight),
         6px  6px 14px var(--shadow-light),
         0 8px 22px rgba(43, 95, 158, 0.4);
}

.btn-secondary {
    color: var(--accent);
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    border: 1px solid rgba(255, 255, 255, 1);
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
}

.btn-secondary:hover {
    transform: translateY(-3px);
    color: var(--accent-hover);
    box-shadow:
        -6px -6px 14px var(--highlight),
         6px  6px 14px var(--shadow-light),
         0 8px 22px rgba(43, 95, 158, 0.2);
}

.btn-whatsapp {
    color: #ffffff;
    background: linear-gradient(145deg, #25D366, #128C7E);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
         0 4px 12px rgba(37, 211, 102, 0.3);
}

.btn-whatsapp:hover {
    transform: translateY(-3px);
    box-shadow:
        -6px -6px 14px var(--highlight),
         6px  6px 14px var(--shadow-light),
         0 8px 22px rgba(37, 211, 102, 0.4);
}

.btn-primary:active,
.btn-secondary:active,
.btn-whatsapp:active {
    transform: translateY(1px) scale(0.98);
}

/* ============================================================
   FEATURES SECTION
   ============================================================ */
.features {
    margin-bottom: 2.5rem;
}

.section-heading {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: 0.65rem;
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 0.75rem;
    letter-spacing: -0.3px;
    text-align: center;
    text-shadow:
        -1px -1px 2px rgba(255, 255, 255, 1),
         1px  1px 2px rgba(70, 85, 110, 0.12);
}

.section-heading i {
    color: var(--accent);
}

.section-subheading {
    text-align: center;
    font-size: 0.95rem;
    color: var(--text-muted);
    max-width: 640px;
    margin: 0 auto 1.75rem;
    line-height: 1.7;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: 1rem;
}

.feature-card {
    padding: 1.5rem 1.25rem;
    border-radius: var(--radius-lg);
    background: linear-gradient(145deg, #f8fbfe, #e3e9f0);
    border: 1px solid rgba(255, 255, 255, 1);
    text-align: center;
    transition: all var(--transition);
    box-shadow:
        -6px -6px 16px var(--highlight),
         6px  6px 16px var(--shadow-light),
         8px  8px 20px var(--shadow-dark),
        inset 1px 1px 0 var(--highlight);
}

.feature-card:hover {
    transform: translateY(-4px);
    box-shadow:
        -8px -8px 20px var(--highlight),
         8px  8px 20px var(--shadow-light),
        12px 12px 28px var(--shadow-dark),
         0 10px 24px rgba(43, 95, 158, 0.15),
        inset 1px 1px 0 var(--highlight);
}

.feature-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 0.85rem;
    background: linear-gradient(145deg, #ffffff, #e3e9f0);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

.feature-icon-green  { color: var(--accent-green); }
.feature-icon-blue   { color: var(--accent); }
.feature-icon-purple { color: var(--accent-purple); }
.feature-icon-amber  { color: var(--accent-amber); }

.feature-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.4rem;
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
}

.feature-card p {
    font-size: 0.85rem;
    color: var(--text-muted);
    line-height: 1.6;
}

/* ============================================================
   STUDENT TOOLS SECTION
   ============================================================ */
#student-tools {
    margin-bottom: 2.5rem;
}

.category-section {
    margin-bottom: 2rem;
}

.category-title {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    margin-bottom: 1rem;
    padding: 0.85rem 1.1rem;
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #f8fbfe, #e3e9f0);
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow:
        -5px -5px 14px var(--highlight),
         5px  5px 14px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
    flex-wrap: wrap;
}

.category-icon {
    width: 44px;
    height: 44px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.15rem;
    background: linear-gradient(145deg, #ffffff, #e3e9f0);
    flex-shrink: 0;
    box-shadow:
        -3px -3px 8px var(--highlight),
         3px  3px 8px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

.category-icon.cat-science   { color: var(--accent-teal); }
.category-icon.cat-maths     { color: var(--accent); }
.category-icon.cat-history   { color: #b45309; }
.category-icon.cat-geography { color: #0d9488; }
.category-icon.cat-english   { color: #7c3aed; }
.category-icon.cat-gk        { color: var(--accent-purple); }
.category-icon.cat-env       { color: var(--accent-green); }
.category-icon.cat-exams     { color: var(--accent-red); }

.category-title h3 {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text-heading);
    margin: 0;
    letter-spacing: -0.2px;
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
}

.category-label {
    font-size: 0.82rem;
    color: var(--text-muted);
    font-weight: 500;
    padding-left: 0.5rem;
    border-left: 2px solid rgba(0, 0, 0, 0.06);
}

.category-count {
    margin-left: auto;
    padding: 0.28rem 0.8rem;
    border-radius: 1.5rem;
    font-size: 0.7rem;
    font-weight: 700;
    color: var(--accent);
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    letter-spacing: 0.4px;
    text-transform: uppercase;
    box-shadow:
        -2px -2px 6px var(--highlight),
         2px  2px 6px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

/* Cards grid */
.grid-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 0.85rem;
}

.card {
    display: flex;
    flex-direction: column;
    padding: 1rem 1.1rem 0.9rem;
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    border: 1px solid rgba(255, 255, 255, 1);
    text-decoration: none;
    color: var(--text);
    position: relative;
    overflow: hidden;
    transition: all var(--transition);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
         5px  5px 12px var(--shadow-dark),
        inset 1px 1px 0 var(--highlight);
}

.card::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-green));
    opacity: 0;
    transition: opacity var(--transition);
}

.card:hover {
    transform: translateY(-4px);
    box-shadow:
        -6px -6px 14px var(--highlight),
         6px  6px 14px var(--shadow-light),
         0 8px 20px rgba(43, 95, 158, 0.18),
        inset 1px 1px 0 var(--highlight);
}

.card:hover::before {
    opacity: 1;
}

.card:active {
    transform: translateY(-1px) scale(0.99);
}

.card-body {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    margin-bottom: 0.7rem;
    flex: 1;
}

.card .icon {
    font-size: 1.85rem;
    flex-shrink: 0;
    line-height: 1;
    filter: drop-shadow(0 2px 3px rgba(0, 0, 0, 0.1));
    transition: transform var(--transition);
}

.card:hover .icon {
    transform: scale(1.15) rotate(-6deg);
}

.card-content {
    flex: 1;
    min-width: 0;
}

.card .title {
    display: block;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.2rem;
    letter-spacing: -0.1px;
    line-height: 1.3;
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
    transition: color var(--transition);
}

.card:hover .title {
    color: var(--accent);
}

.card .card-desc {
    display: block;
    font-size: 0.78rem;
    color: var(--text-muted);
    line-height: 1.5;
}

.card .cta {
    display: inline-flex;
    align-items: center;
    gap: 0.35rem;
    font-size: 0.76rem;
    font-weight: 700;
    color: var(--accent);
    margin-top: auto;
    padding-top: 0.6rem;
    border-top: 1px solid rgba(0, 0, 0, 0.05);
    box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.8);
    letter-spacing: 0.3px;
    transition: gap var(--transition);
}

.card .cta i {
    font-size: 0.65rem;
    transition: transform var(--transition);
}

.card:hover .cta {
    gap: 0.55rem;
}

.card:hover .cta i {
    transform: translateX(3px);
}

/* ============================================================
   TIPS SECTION
   ============================================================ */
.tips-section {
    margin-bottom: 2.5rem;
}

.tips-card {
    padding: 1.75rem 1.5rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, #f8fbfe, #e3e9f0);
    border: 1px solid rgba(255, 255, 255, 1);
    box-shadow:
        -10px -10px 26px var(--highlight),
         10px  10px 26px var(--shadow-light),
         14px  14px 34px var(--shadow-dark),
        inset 2px 2px 0 var(--highlight);
}

.tips-header {
    display: flex;
    align-items: center;
    gap: 1rem;
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid rgba(0, 0, 0, 0.06);
    box-shadow: inset 0 -1px 0 rgba(255, 255, 255, 0.8);
}

.tips-icon {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: var(--accent-amber);
    background: linear-gradient(145deg, #ffffff, #e3e9f0);
    flex-shrink: 0;
    box-shadow:
        -5px -5px 14px var(--highlight),
         5px  5px 14px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

.tips-header h3 {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--text-heading);
    margin-bottom: 0.2rem;
    letter-spacing: -0.3px;
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
}

.tips-subtitle {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 500;
}

.tips-list {
    list-style: none;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 1rem;
}

.tips-list li {
    display: flex;
    align-items: flex-start;
    gap: 0.85rem;
    padding: 1rem;
    border-radius: var(--radius-md);
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    box-shadow:
        -3px -3px 8px var(--highlight),
         3px  3px 8px var(--shadow-light),
        inset 1px 1px 0 var(--highlight);
}

.tip-num {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.85rem;
    font-weight: 800;
    color: #ffffff;
    flex-shrink: 0;
    background: linear-gradient(145deg, #2b5f9e, #1e4a7a);
    box-shadow:
        -2px -2px 6px var(--highlight),
         2px  2px 6px var(--shadow-light),
        inset 1px 1px 0 rgba(255, 255, 255, 0.2);
    text-shadow: 0 1px 2px rgba(0, 0, 0, 0.2);
}

.tips-list strong {
    display: block;
    font-size: 0.95rem;
    font-weight: 700;
    color: var(--text-heading);
    margin-bottom: 0.2rem;
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
}

.tips-list p {
    font-size: 0.82rem;
    color: var(--text-muted);
    line-height: 1.55;
    margin: 0;
}

/* ============================================================
   FINAL CTA SECTION
   ============================================================ */
.final-cta {
    margin-bottom: 2rem;
}

.final-cta-inner {
    padding: 2.25rem 1.75rem;
    border-radius: var(--radius-xl);
    background: linear-gradient(145deg, #2b5f9e, #1e4a7a);
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
    box-shadow:
        -10px -10px 26px var(--highlight),
         10px  10px 26px var(--shadow-light),
         14px  14px 34px var(--shadow-dark),
        inset 2px 2px 0 rgba(255, 255, 255, 0.15),
        inset -2px -2px 0 rgba(0, 0, 0, 0.2);
}

.final-cta-inner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 400px;
    height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(255, 255, 255, 0.08), transparent 70%);
    pointer-events: none;
}

.final-cta-inner h2 {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 0.75rem;
    letter-spacing: -0.3px;
    position: relative;
    z-index: 1;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.2);
}

.final-cta-inner p {
    font-size: 1rem;
    line-height: 1.7;
    max-width: 600px;
    margin: 0 auto 1.5rem;
    opacity: 0.95;
    position: relative;
    z-index: 1;
}

.final-cta-buttons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 0.75rem;
    position: relative;
    z-index: 1;
}

.final-cta-buttons .btn-primary {
    background: linear-gradient(145deg, #ffffff, #eef2f7);
    color: var(--accent);
    text-shadow: -1px -1px 1px rgba(255, 255, 255, 0.9);
    box-shadow:
        -4px -4px 10px rgba(255, 255, 255, 0.3),
         4px  4px 10px rgba(0, 0, 0, 0.2);
}

.final-cta-buttons .btn-primary:hover {
    transform: translateY(-3px);
    color: var(--accent-hover);
}

/* ============================================================
   BACK TO TOP BUTTON
   ============================================================ */
.back-top {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 48px;
    height: 48px;
    border-radius: 50%;
    border: none;
    background: linear-gradient(145deg, #2b5f9e, #1e4a7a);
    color: #ffffff;
    font-size: 1rem;
    cursor: pointer;
    z-index: 9999;
    opacity: 0;
    visibility: hidden;
    transform: translateY(10px);
    transition: all var(--transition);
    box-shadow:
        -4px -4px 10px var(--highlight),
         4px  4px 10px var(--shadow-light),
         0 6px 16px rgba(43, 95, 158, 0.4);
}

.back-top.visible {
    opacity: 1;
    visibility: visible;
    transform: translateY(0);
}

.back-top:hover {
    transform: translateY(-3px);
}

.back-top:active {
    transform: translateY(1px) scale(0.95);
}

/* ============================================================
   RESPONSIVE — TABLET
   ============================================================ */
@media (max-width: 992px) {
    .hero h1 {
        font-size: 1.85rem;
    }
    .hero .sub {
        font-size: 1rem;
    }
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
    }
    .section-heading {
        font-size: 1.35rem;
    }
    .category-title h3 {
        font-size: 1.05rem;
    }
    .grid-cards {
        grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    }
}

/* ============================================================
   RESPONSIVE — MOBILE
   ============================================================ */
@media (max-width: 768px) {
    main {
        padding: 0.85rem 0.7rem 2rem;
    }

    .breadcrumb {
        font-size: 0.78rem;
        padding: 0.6rem 0.85rem;
        margin-bottom: 0.85rem;
    }

    .hero {
        padding: 1.75rem 1.15rem 1.65rem;
        margin-bottom: 1.5rem;
        border-radius: var(--radius-lg);
    }

    .hero h1 {
        font-size: 1.5rem;
    }
    .hero h1 i {
        display: block;
        margin: 0 0 0.5rem;
        font-size: 2rem;
    }
    .hero .sub {
        font-size: 0.92rem;
        line-height: 1.5;
    }
    .hero .desc {
        font-size: 0.88rem;
        margin-bottom: 1.25rem;
    }

    .hero-badge {
        font-size: 0.7rem;
        padding: 0.4rem 0.95rem;
    }

    .hero-stat {
        padding: 0.7rem 0.4rem;
    }
    .hero-stat .num {
        font-size: 1.2rem;
    }
    .hero-stat .label {
        font-size: 0.6rem;
    }

    .hero-badges span {
        font-size: 0.72rem;
        padding: 0.35rem 0.8rem;
    }

    .btn-primary,
    .btn-secondary,
    .btn-whatsapp {
        font-size: 0.88rem;
        padding: 0.8rem 1.35rem;
        width: 100%;
        max-width: 320px;
    }

    .hero-cta {
        flex-direction: column;
        align-items: center;
    }

    .section-heading {
        font-size: 1.2rem;
        margin-bottom: 0.6rem;
    }
    .section-subheading {
        font-size: 0.85rem;
        margin-bottom: 1.25rem;
    }

    .features-grid {
        grid-template-columns: 1fr;
        gap: 0.75rem;
    }
    .feature-card {
        padding: 1.15rem 1rem;
    }
    .feature-icon {
        width: 48px;
        height: 48px;
        font-size: 1.2rem;
        margin-bottom: 0.7rem;
    }
    .feature-card h3 {
        font-size: 0.98rem;
    }
    .feature-card p {
        font-size: 0.82rem;
    }

    .category-title {
        padding: 0.7rem 0.9rem;
        gap: 0.6rem;
    }
    .category-icon {
        width: 38px;
        height: 38px;
        font-size: 1rem;
    }
    .category-title h3 {
        font-size: 1rem;
        flex-grow: 1;
    }
    .category-label {
        display: none;
    }
    .category-count {
        font-size: 0.62rem;
        padding: 0.22rem 0.65rem;
    }

    .grid-cards {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }

    .card {
        padding: 0.9rem 1rem 0.85rem;
    }
    .card .icon {
        font-size: 1.6rem;
    }
    .card .title {
        font-size: 0.92rem;
    }
    .card .card-desc {
        font-size: 0.75rem;
    }

    .tips-card {
        padding: 1.25rem 1.1rem;
    }
    .tips-header {
        gap: 0.75rem;
        margin-bottom: 1.15rem;
        padding-bottom: 0.85rem;
    }
    .tips-icon {
        width: 48px;
        height: 48px;
        font-size: 1.25rem;
    }
    .tips-header h3 {
        font-size: 1.05rem;
    }
    .tips-subtitle {
        font-size: 0.78rem;
    }
    .tips-list {
        grid-template-columns: 1fr;
        gap: 0.7rem;
    }
    .tips-list li {
        padding: 0.85rem 0.9rem;
    }
    .tips-list strong {
        font-size: 0.88rem;
    }
    .tips-list p {
        font-size: 0.78rem;
    }

    .final-cta-inner {
        padding: 1.75rem 1.15rem;
    }
    .final-cta-inner h2 {
        font-size: 1.25rem;
    }
    .final-cta-inner p {
        font-size: 0.88rem;
        margin-bottom: 1.15rem;
    }
    .final-cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .back-top {
        bottom: 14px;
        right: 14px;
        width: 42px;
        height: 42px;
        font-size: 0.9rem;
    }
}

/* ============================================================
   SMALL MOBILE
   ============================================================ */
@media (max-width: 380px) {
    .hero h1 {
        font-size: 1.3rem;
    }
    .hero-stats {
        grid-template-columns: repeat(2, 1fr);
        gap: 0.55rem;
    }
    .hero-stat .num {
        font-size: 1.1rem;
    }
    .section-heading {
        font-size: 1.1rem;
    }
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    *, *::before, *::after {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
    .card:hover,
    .feature-card:hover,
    .hero-badges span:hover {
        transform: none;
    }
    .card:hover .icon {
        transform: none;
    }
}