/* ============================================================
   SOLVATECH - GLOBAL CSS
   ============================================================
   
   TABLE OF CONTENTS
   ─────────────────────────────────────────────────────────────
   1.  RESET & BASE
   2.  GLOBAL VARIABLES
   3.  TYPOGRAPHY
   4.  CONTAINER
   5.  SECTION TITLES
   6.  BUTTONS (Primary, Secondary, Academy, Large, Small)
   7.  NAVIGATION – BASE
   8.  NAVIGATION – MOBILE DRAWER (Slides from Left, Fixed)
   9.  NAVIGATION – DESKTOP
   10. FOOTER
   11. DARK MODE
   12. RESPONSIVE BREAKPOINTS
   13. SCROLLBAR STYLING
   14. UTILITY CLASSES
   ============================================================ */

/* ============================================================
   1. RESET & BASE
   ============================================================ */

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

html {
    height: 100%;
    scroll-behavior: smooth;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto,
        Helvetica, Arial, sans-serif;
    background-color: #F5F8FC;
    color: #1E1E1E;
    line-height: 1.6;
    transition: background-color 0.3s ease, color 0.3s ease;
    min-height: 100vh;
    overflow-x: hidden;
    position: relative;
}

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

ul {
    list-style: none;
}

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

/* ============================================================
   2. GLOBAL VARIABLES
   ============================================================ */

:root {
    /* Primary Colors */
    --color-primary: #1E88E5;
    --color-primary-dark: #1565C0;
    --color-primary-light: #64B5F6;
    --color-primary-lighter: #90CAF9;

    /* Secondary Colors */
    --color-secondary: #0B1A2E;
    --color-secondary-light: #1E3A5F;
    --color-secondary-lighter: #2A4A6A;

    /* Accent Colors */
    --color-accent-purple: #8b5cf6;
    --color-accent-green: #10b981;
    --color-accent-amber: #f59e0b;
    --color-accent-rose: #f43f5e;
    --color-accent-cyan: #06b6d4;

    /* Neutrals */
    --color-white: #FFFFFF;
    --color-gray-100: #F5F8FC;
    --color-gray-200: #E3ECF5;
    --color-gray-300: #dce4f0;
    --color-gray-400: #b0bec5;
    --color-gray-500: #555;
    --color-gray-600: #444;
    --color-gray-700: #1E1E1E;
    --color-gray-800: #111;

    /* Dark Mode */
    --color-dark-bg: #1A1A2E;
    --color-dark-surface: #122a3a;
    --color-dark-text: #DDD;
    --color-dark-text-secondary: #8aaabc;

    /* Spacing */
    --spacing-xs: 0.25rem;
    --spacing-sm: 0.5rem;
    --spacing-md: 1rem;
    --spacing-lg: 1.5rem;
    --spacing-xl: 2rem;
    --spacing-2xl: 3rem;
    --spacing-3xl: 4rem;
    --spacing-4xl: 5rem;

    /* Border Radius */
    --radius-sm: 8px;
    --radius-md: 12px;
    --radius-lg: 16px;
    --radius-xl: 20px;
    --radius-2xl: 24px;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06);
    --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.08);
    --shadow-xl: 0 12px 48px rgba(0, 0, 0, 0.1);
    --shadow-2xl: 0 24px 80px rgba(0, 0, 0, 0.12);

    /* Transitions */
    --transition-fast: 0.2s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-base: 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-slow: 0.5s cubic-bezier(0.22, 1, 0.36, 1);
    --transition-bounce: 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);

    /* Mobile Navigation */
    --mobile-navbar-height: 64px;
    --mobile-sidebar-width: 55%;
}

/* ============================================================
   3. TYPOGRAPHY
   ============================================================ */

h1,
h2,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.2;
}

p {
    line-height: 1.7;
}

/* ============================================================
   4. CONTAINER
   ============================================================ */

.container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* ============================================================
   5. SECTION TITLES
   ============================================================ */

.section-title {
    font-size: 2.2rem;
    text-align: center;
    margin-bottom: 0.5rem;
    font-weight: 800;
}

.section-title.gradient {
    background: linear-gradient(145deg, #0B1A2E 0%, #1E88E5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-gray-500);
    margin-bottom: 2.5rem;
    font-size: 1.1rem;
    font-weight: 400;
}

/* Section Header (with tag) */
.section-header {
    text-align: center;
    margin-bottom: 3rem;
}

.section-tag {
    display: inline-block;
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 1.5px;
    color: #1E88E5;
    background: rgba(30, 136, 229, 0.08);
    padding: 0.3rem 1rem;
    border-radius: 50px;
    margin-bottom: 0.5rem;
}

/* ============================================================
   6. BUTTONS
   ============================================================ */

/* ── Primary Button ── */
.btn-primary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(145deg, #1E88E5 0%, #1565C0 100%);
    color: #FFFFFF;
    padding: 0.75rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    border: none;
    cursor: pointer;
    box-shadow: 0 4px 16px rgba(30, 136, 229, 0.2);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(30, 136, 229, 0.3);
}

.btn-primary:active {
    transform: scale(0.97);
}

/* ── Secondary Button ── */
.btn-secondary {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background-color: transparent;
    color: #1E88E5;
    padding: 0.7rem 1.5rem;
    border-radius: 30px;
    font-weight: 600;
    border: 2px solid #1E88E5;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    cursor: pointer;
}

.btn-secondary:hover {
    background-color: #1E88E5;
    color: #FFFFFF;
    transform: translateY(-2px);
}

.btn-secondary:active {
    transform: scale(0.97);
}

/* ── Academy Button ── */
.btn-academy {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    background: linear-gradient(145deg, #8b5cf6 0%, #6d28d9 100%);
    color: #FFFFFF;
    padding: 0.7rem 1.8rem;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s cubic-bezier(0.22, 1, 0.36, 1);
    box-shadow: 0 4px 16px rgba(139, 92, 246, 0.2);
    cursor: pointer;
}

.btn-academy:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 28px rgba(139, 92, 246, 0.35);
}

.btn-academy:active {
    transform: scale(0.97);
}

/* ── Button Sizes ── */
.btn-large {
    padding: 1rem 2.5rem;
    font-size: 1.1rem;
}

.btn-small {
    padding: 0.4rem 1.2rem;
    font-size: 0.8rem;
    border-radius: 20px;
}

.btn-hero {
    padding: 0.6rem 1.5rem;
    font-size: 0.9rem;
}

.btn-hero i {
    margin-right: 0.4rem;
}

/* ============================================================
   7. NAVIGATION – BASE
   ============================================================ */

.navbar {
    background-color: #FFFFFF;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.3s ease, box-shadow 0.3s ease;
    height: var(--mobile-navbar-height);
}

.nav-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 0.8rem 1.5rem;
    height: 100%;
}

.logo {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 1.5rem;
    font-weight: 700;
    color: #0B1A2E;
    transition: color 0.3s ease;
}

.logo-img {
    max-height: 40px;
    width: auto;
}

.logo-icon {
    color: #1E88E5;
}

.nav-toggle {
    display: block;
    background: none;
    border: none;
    font-size: 1.6rem;
    color: #0B1A2E;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 4px 8px;
    z-index: 101;
}

.nav-toggle:active {
    transform: scale(0.85);
}

/* ============================================================
   8. NAVIGATION – MOBILE DRAWER (Slides from Left, Fixed)
   ============================================================ */

@media (max-width: 767px) {
    /* ── Body lock when drawer is open ── */
    body.menu-open {
        overflow: hidden;
        position: fixed;
        width: 100%;
        height: 100%;
    }

    /* ── Drawer Container ── */
    .nav-menu {
        position: fixed;
        top: 0;
        left: -55%;
        width: 55%;
        height: 100%;
        min-height: 100vh;
        z-index: 1000;
        padding: 1.8rem 1.5rem 2rem;
        transition: left 0.45s cubic-bezier(0.22, 1, 0.36, 1);
        display: flex;
        flex-direction: column;
        overflow-y: auto;
        /* BRIGHTER GRADIENT */
        background: linear-gradient(180deg,
            #1E3A5F 0%,
            #1E88E5 40%,
            #64B5F6 70%,
            #90CAF9 100%);
        box-shadow: 4px 0 40px rgba(0, 0, 0, 0.3);
        border-right: 2px solid rgba(255, 255, 255, 0.08);
        position: fixed;
        top: 0;
        left: -55%;
        height: 100vh;
    }

    .nav-menu.active {
        left: 0;
    }

    /* ── Scrollbar Styling ── */
    .nav-menu::-webkit-scrollbar {
        width: 3px;
    }
    .nav-menu::-webkit-scrollbar-track {
        background: rgba(255, 255, 255, 0.05);
    }
    .nav-menu::-webkit-scrollbar-thumb {
        background: rgba(255, 255, 255, 0.2);
        border-radius: 4px;
    }

    /* ── NO HEADER – only menu items ── */

    /* ── Menu List ── */
    .nav-menu ul {
        display: flex;
        flex-direction: column;
        gap: 0.15rem;
        padding: 0;
        flex: 1;
        justify-content: flex-start;
        margin-top: 0.5rem;
    }

    .nav-menu ul li {
        width: 100%;
        text-align: left;
    }

    .nav-menu ul li a {
        display: block;
        padding: 0.7rem 0.5rem;
        font-weight: 500;
        color: rgba(255, 255, 255, 0.95);
        border-bottom: 2px solid transparent;
        transition: all 0.3s ease;
        font-size: 1.1rem;
        border-radius: 10px;
        letter-spacing: 0.3px;
        cursor: pointer;
    }

    .nav-menu ul li a:hover,
    .nav-menu ul li a.active {
        color: #FFFFFF;
        background: rgba(255, 255, 255, 0.15);
        border-bottom-color: #FFFFFF;
        padding-left: 0.9rem;
    }

    /* ── "Start a Project" Button inside Drawer ── */
    .nav-menu ul li .nav-cta {
        display: block;
        background: linear-gradient(135deg, #90CAF9 0%, #1E88E5 100%);
        color: #FFFFFF !important;
        padding: 0.75rem 1.5rem;
        border-radius: 30px;
        border-bottom: none !important;
        font-weight: 700;
        width: 100%;
        margin-top: 0.5rem;
        text-align: center;
        box-shadow: 0 4px 20px rgba(30, 136, 229, 0.35);
        transition: all 0.3s ease;
        letter-spacing: 0.5px;
        cursor: pointer;
    }

    .nav-menu ul li .nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 6px 30px rgba(30, 136, 229, 0.5);
        color: #FFFFFF !important;
    }

    .nav-menu ul li .nav-cta:active {
        transform: scale(0.96);
    }

    /* ── Drawer Footer ── */
    .drawer-footer {
        margin-top: auto;
        padding-top: 1rem;
        border-top: 1px solid rgba(255, 255, 255, 0.08);
        text-align: center;
        flex-shrink: 0;
    }

    .drawer-footer p {
        font-size: 0.6rem;
        color: rgba(255, 255, 255, 0.35);
        letter-spacing: 0.5px;
    }

    /* ── Backdrop (dark overlay, no blur, does NOT close) ── */
    .drawer-backdrop {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, 0.4);
        z-index: 999;
        opacity: 0;
        pointer-events: none;
        transition: opacity 0.45s ease;
    }

    .drawer-backdrop.active {
        opacity: 1;
        pointer-events: none;
    }
}

/* ============================================================
   9. NAVIGATION – DESKTOP
   ============================================================ */

@media (min-width: 768px) {
    .nav-toggle {
        display: none !important;
    }

    .nav-menu {
        display: block !important;
        position: static !important;
        width: auto;
        height: auto;
        min-height: auto;
        max-height: none;
        padding: 0;
        margin: 0;
        overflow: visible;
        background: none !important;
        box-shadow: none !important;
        border: none !important;
        left: auto !important;
        top: auto !important;
        transform: none !important;
        visibility: visible !important;
        opacity: 1 !important;
        transition: none !important;
    }

    .nav-menu ul {
        display: flex;
        flex-direction: row;
        align-items: center;
        gap: 1.5rem;
        padding: 0;
        margin: 0;
    }

    .nav-menu ul li {
        width: auto;
        margin: 0;
        padding: 0;
    }

    .nav-menu ul li a {
        display: inline-block;
        width: auto;
        padding: 0.5rem 0;
        font-size: 0.95rem;
        font-weight: 500;
        color: #1E1E1E !important;
        background: none !important;
        border: none;
        border-bottom: 2px solid transparent;
        border-radius: 0 !important;
        transition: color 0.3s ease, border-color 0.3s ease;
    }

    .nav-menu ul li a:hover,
    .nav-menu ul li a.active {
        color: #1E88E5 !important;
        border-bottom-color: #1E88E5;
        background: none !important;
        padding-left: 0 !important;
    }

    .nav-menu ul li .nav-cta {
        display: inline-block;
        width: auto;
        min-height: auto;
        margin: 0;
        padding: 0.5rem 1.2rem;
        background: linear-gradient(145deg, #1E88E5 0%, #1565C0 100%) !important;
        color: #FFFFFF !important;
        border: none !important;
        border-radius: 30px;
        box-shadow: 0 4px 16px rgba(30, 136, 229, 0.2);
        transition: transform 0.3s ease, box-shadow 0.3s ease, background 0.3s ease;
    }

    .nav-menu ul li .nav-cta:hover {
        background: linear-gradient(145deg, #1565C0 0%, #0D47A1 100%) !important;
        color: #FFFFFF !important;
        transform: translateY(-2px) !important;
        box-shadow: 0 8px 28px rgba(30, 136, 229, 0.3);
    }

    .drawer-footer {
        display: none !important;
    }

    .drawer-backdrop {
        display: none !important;
    }
}

/* ============================================================
   10. FOOTER
   ============================================================ */

.footer {
    background-color: #1A1A2E;
    color: #DDD;
    padding: 3rem 0 1rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: 2rem;
}

.footer-brand .logo {
    color: #FFFFFF;
    font-size: 1.8rem;
}

.footer-brand .logo-img {
    max-height: 40px;
    width: auto;
}

.footer-brand p {
    margin: 0.5rem 0 1rem;
    opacity: 0.7;
}

.social-links a {
    display: inline-block;
    background: #2D2D44;
    color: #FFFFFF;
    width: 36px;
    height: 36px;
    line-height: 36px;
    text-align: center;
    border-radius: 50%;
    margin-right: 0.5rem;
    transition: all 0.3s ease;
}

.social-links a:hover {
    background: #1E88E5;
    transform: translateY(-2px);
}

.footer-links h4,
.footer-contact h4 {
    color: #FFFFFF;
    margin-bottom: 1rem;
    font-size: 1rem;
}

.footer-links ul li {
    margin-bottom: 0.5rem;
}

.footer-links ul li a:hover {
    color: #64B5F6;
}

.footer-contact p {
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.footer-contact i {
    width: 1.5rem;
    color: #64B5F6;
}

.footer-bottom {
    border-top: 1px solid #2D2D44;
    padding-top: 1.5rem;
    margin-top: 2rem;
    text-align: center;
    font-size: 0.9rem;
    opacity: 0.7;
}

/* ============================================================
   11. DARK MODE
   ============================================================ */

body.dark-mode {
    background-color: #0a1a2a;
    color: #eef4ff;
}

body.dark-mode .navbar {
    background-color: #122a3a;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
}

body.dark-mode .logo {
    color: #eef4ff;
}

body.dark-mode .nav-toggle {
    color: #eef4ff;
}

body.dark-mode .footer {
    background-color: #0a1a2a;
}

body.dark-mode .footer-brand .logo {
    color: #eef4ff;
}

body.dark-mode .footer-links h4,
body.dark-mode .footer-contact h4 {
    color: #eef4ff;
}

body.dark-mode .footer-contact i {
    color: #1E88E5;
}

body.dark-mode .footer-bottom {
    border-top-color: #2D2D44;
}

body.dark-mode .section-title.gradient {
    background: linear-gradient(145deg, #64B5F6 0%, #42A5F5 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

body.dark-mode .section-subtitle {
    color: #8aaabc;
}

body.dark-mode .btn-secondary {
    color: #64B5F6;
    border-color: #64B5F6;
}

body.dark-mode .btn-secondary:hover {
    background-color: #64B5F6;
    color: #0a1a2a;
}

/* ============================================================
   12. RESPONSIVE BREAKPOINTS
   ============================================================ */

/* ── Tablet ── */
@media (min-width: 768px) {
    .footer-grid {
        grid-template-columns: repeat(3, 1fr);
    }
}

/* ── Mobile ── */
@media (max-width: 480px) {
    .container {
        padding: 0 1rem;
    }

    .nav-menu {
        width: 55%;
        padding: 1rem 1rem 1.5rem;
    }
    .nav-menu ul li a {
        font-size: 0.95rem;
        padding: 0.6rem 0.5rem;
    }
    .nav-menu ul li .nav-cta {
        font-size: 0.85rem;
        padding: 0.6rem 1rem;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }

    .section-title {
        font-size: 1.8rem;
    }
    .section-subtitle {
        font-size: 0.95rem;
    }
}

/* ── Small Mobile ── */
@media (max-width: 360px) {
    .container {
        padding: 0 0.75rem;
    }
    .nav-menu ul li a {
        font-size: 0.85rem;
        padding: 0.5rem 0.4rem;
    }
    .logo {
        font-size: 1.2rem;
    }
    .logo-img {
        max-height: 32px;
    }
}

/* ============================================================
   13. SCROLLBAR STYLING
   ============================================================ */

::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: #dce4f0;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb {
    background: #1E88E5;
    border-radius: 4px;
}

::-webkit-scrollbar-thumb:hover {
    background: #1565C0;
}

/* Dark mode scrollbar */
body.dark-mode ::-webkit-scrollbar-track {
    background: #2a4a5a;
}

body.dark-mode ::-webkit-scrollbar-thumb {
    background: #1E88E5;
}

/* ============================================================
   14. UTILITY CLASSES
   ============================================================ */

/* ── Text Colors ── */
.text-primary {
    color: var(--color-primary);
}
.text-primary-light {
    color: var(--color-primary-light);
}
.text-secondary {
    color: var(--color-secondary);
}
.text-gray-500 {
    color: var(--color-gray-500);
}
.text-white {
    color: #FFFFFF;
}
.text-purple {
    color: var(--color-accent-purple);
}
.text-green {
    color: var(--color-accent-green);
}
.text-amber {
    color: var(--color-accent-amber);
}

/* ── Font Weights ── */
.font-light {
    font-weight: 300;
}
.font-normal {
    font-weight: 400;
}
.font-medium {
    font-weight: 500;
}
.font-semibold {
    font-weight: 600;
}
.font-bold {
    font-weight: 700;
}
.font-extrabold {
    font-weight: 800;
}
.font-black {
    font-weight: 900;
}

/* ── Text Alignment ── */
.text-left {
    text-align: left;
}
.text-center {
    text-align: center;
}
.text-right {
    text-align: right;
}

/* ── Flex Utilities ── */
.flex {
    display: flex;
}
.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}
.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.flex-col {
    display: flex;
    flex-direction: column;
}
.flex-wrap {
    flex-wrap: wrap;
}
.gap-sm {
    gap: 0.5rem;
}
.gap-md {
    gap: 1rem;
}
.gap-lg {
    gap: 1.5rem;
}

/* ── Margin / Padding Utilities ── */
.mt-sm {
    margin-top: 0.5rem;
}
.mt-md {
    margin-top: 1rem;
}
.mt-lg {
    margin-top: 1.5rem;
}
.mt-xl {
    margin-top: 2rem;
}
.mb-sm {
    margin-bottom: 0.5rem;
}
.mb-md {
    margin-bottom: 1rem;
}
.mb-lg {
    margin-bottom: 1.5rem;
}
.mb-xl {
    margin-bottom: 2rem;
}
.p-sm {
    padding: 0.5rem;
}
.p-md {
    padding: 1rem;
}
.p-lg {
    padding: 1.5rem;
}
.p-xl {
    padding: 2rem;
}

/* ── Width / Height ── */
.w-full {
    width: 100%;
}
.h-full {
    height: 100%;
}
.h-auto {
    height: auto;
}

/* ── Border Radius ── */
.rounded-sm {
    border-radius: var(--radius-sm);
}
.rounded-md {
    border-radius: var(--radius-md);
}
.rounded-lg {
    border-radius: var(--radius-lg);
}
.rounded-xl {
    border-radius: var(--radius-xl);
}
.rounded-full {
    border-radius: var(--radius-full);
}

/* ── Shadows ── */
.shadow-sm {
    box-shadow: var(--shadow-sm);
}
.shadow-md {
    box-shadow: var(--shadow-md);
}
.shadow-lg {
    box-shadow: var(--shadow-lg);
}
.shadow-xl {
    box-shadow: var(--shadow-xl);
}

/* ── Hidden / Visible ── */
.hidden {
    display: none !important;
}
.visible {
    display: block !important;
}

/* ── Screen Reader Only ── */
.sr-only {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    border: 0;
}

/* ============================================================
   15. FLOATING WHATSAPP BUTTON (FOR LEADS, CLIENTS & STUDENTS)
   ============================================================ */
.floating-whatsapp-btn {
    position: fixed;
    bottom: 24px;
    right: 24px;
    z-index: 9999;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: linear-gradient(135deg, #25D366, #128C7E);
    color: #FFFFFF !important;
    padding: 12px 20px;
    border-radius: 50px;
    font-size: 0.95rem;
    font-weight: 700;
    text-decoration: none;
    box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
    animation: waPulseGlow 2.5s infinite;
    transition: transform 0.25s cubic-bezier(0.34, 1.56, 0.64, 1), box-shadow 0.25s ease;
}

.floating-whatsapp-btn:hover {
    transform: translateY(-3px) scale(1.05);
    box-shadow: 0 12px 28px rgba(37, 211, 102, 0.45);
    color: #FFFFFF !important;
}

.floating-whatsapp-btn i {
    font-size: 1.35rem;
}

@media (max-width: 640px) {
    .floating-whatsapp-btn {
        bottom: 18px;
        right: 18px;
        padding: 10px 16px;
        font-size: 0.85rem;
    }
}