/* ==========================================================================
   Crescent Technologies - Conversion-Focused Website
   Mobile-first, modern CSS
   ========================================================================== */

/* --------------------------------------------------------------------------
   CSS Variables
   -------------------------------------------------------------------------- */
:root {
    /* Colors */
    --color-primary: #1a365d;
    --color-primary-light: #2c5282;
    --color-primary-dark: #1a202c;
    --color-accent: #25d366;
    --color-accent-hover: #20bd5a;
    --color-white: #ffffff;
    --color-gray-50: #f9fafb;
    --color-gray-100: #f3f4f6;
    --color-gray-200: #e5e7eb;
    --color-gray-300: #d1d5db;
    --color-gray-400: #9ca3af;
    --color-gray-500: #6b7280;
    --color-gray-600: #4b5563;
    --color-gray-700: #374151;
    --color-gray-800: #1f2937;
    --color-gray-900: #111827;

    /* Typography */
    --font-family: 'Poppins', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    --font-size-xs: 0.75rem;
    --font-size-sm: 0.875rem;
    --font-size-base: 1rem;
    --font-size-lg: 1.125rem;
    --font-size-xl: 1.25rem;
    --font-size-2xl: 1.5rem;
    --font-size-3xl: 1.875rem;
    --font-size-4xl: 2.25rem;
    --font-size-5xl: 3rem;

    /* 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: 6rem;

    /* Border Radius */
    --radius-sm: 0.375rem;
    --radius-md: 0.5rem;
    --radius-lg: 0.75rem;
    --radius-xl: 1rem;
    --radius-full: 9999px;

    /* Shadows */
    --shadow-sm: 0 1px 2px 0 rgb(0 0 0 / 0.05);
    --shadow-md: 0 4px 6px -1px rgb(0 0 0 / 0.1), 0 2px 4px -2px rgb(0 0 0 / 0.1);
    --shadow-lg: 0 10px 15px -3px rgb(0 0 0 / 0.1), 0 4px 6px -4px rgb(0 0 0 / 0.1);
    --shadow-xl: 0 20px 25px -5px rgb(0 0 0 / 0.1), 0 8px 10px -6px rgb(0 0 0 / 0.1);

    /* Transitions */
    --transition-fast: 150ms ease;
    --transition-base: 250ms ease;
    --transition-slow: 350ms ease;
}

/* --------------------------------------------------------------------------
   Font Face
   -------------------------------------------------------------------------- */
@font-face {
    font-family: 'Poppins';
    src: url('../fonts/poppins/Poppins-Regular.ttf') format('truetype');
    font-weight: 400;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/poppins/Poppins-Medium.ttf') format('truetype');
    font-weight: 500;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/poppins/Poppins-SemiBold.ttf') format('truetype');
    font-weight: 600;
    font-style: normal;
    font-display: swap;
}

@font-face {
    font-family: 'Poppins';
    src: url('../fonts/poppins/Poppins-Bold.ttf') format('truetype');
    font-weight: 700;
    font-style: normal;
    font-display: swap;
}

/* --------------------------------------------------------------------------
   Reset & Base
   -------------------------------------------------------------------------- */
*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

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

body {
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    line-height: 1.6;
    color: var(--color-gray-700);
    background-color: var(--color-white);
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

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

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

ul, ol {
    list-style: none;
}

button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
}

input, textarea, select {
    font-family: inherit;
    font-size: inherit;
}

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

.section-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    text-align: center;
    margin-bottom: var(--spacing-md);
}

.section-title-sm {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

.section-subtitle {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    text-align: center;
    max-width: 600px;
    margin: 0 auto var(--spacing-3xl);
}

/* --------------------------------------------------------------------------
   Buttons
   -------------------------------------------------------------------------- */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) var(--spacing-lg);
    font-size: var(--font-size-sm);
    font-weight: 500;
    border-radius: var(--radius-md);
    transition: all var(--transition-base);
    white-space: nowrap;
}

.btn .icon {
    width: 18px;
    height: 18px;
}

.btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-base);
}

.btn-lg .icon {
    width: 20px;
    height: 20px;
}

.btn-block {
    width: 100%;
}

.btn-primary {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-primary:hover {
    background-color: var(--color-primary-light);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.btn-outline {
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
    background-color: transparent;
}

.btn-outline:hover {
    background-color: var(--color-primary);
    color: var(--color-white);
}

.btn-whatsapp {
    background-color: var(--color-accent);
    color: var(--color-white);
}

.btn-whatsapp:hover {
    background-color: var(--color-accent-hover);
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

/* --------------------------------------------------------------------------
   Header
   -------------------------------------------------------------------------- */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background-color: #0f172a;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.4);
    transition: box-shadow var(--transition-base);
}

.header .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

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

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

.nav {
    display: none;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: var(--spacing-xl);
}

.nav-link {
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: #cbd5e1;
    transition: color var(--transition-fast);
}

.nav-link:hover {
    color: var(--color-primary);
}

.nav-cta {
    display: none;
}

.mobile-menu-btn {
    display: flex;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 30px;
    height: 30px;
}

.mobile-menu-btn span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-gray-700);
    transition: all var(--transition-fast);
}

.mobile-menu-btn.active span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.mobile-menu-btn.active span:nth-child(2) {
    opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -5px);
}

/* Mobile Nav Open */
.nav.active {
    display: flex;
    position: absolute;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--color-white);
    box-shadow: var(--shadow-lg);
    padding: var(--spacing-lg);
}

.nav.active .nav-list {
    flex-direction: column;
    width: 100%;
    gap: var(--spacing-md);
}

.nav.active .nav-link {
    display: block;
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-base);
}

/* --------------------------------------------------------------------------
   Hero Section
   -------------------------------------------------------------------------- */
.hero {
    padding: calc(70px + var(--spacing-4xl)) 0 var(--spacing-4xl);
    background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
    color: var(--color-white);
    min-height: 100vh;
    display: flex;
    align-items: center;
}

.hero-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
}

.hero-title {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: var(--spacing-lg);
}

.hero-subtitle {
    font-size: var(--font-size-lg);
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: var(--spacing-xl);
    line-height: 1.7;
}

.hero-cta {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-3xl);
}

.hero-cta .btn-outline {
    border-color: var(--color-white);
    color: var(--color-white);
}

.hero-cta .btn-outline:hover {
    background-color: var(--color-white);
    color: var(--color-primary);
}

.hero-trust {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

.hero-trust span {
    display: block;
    margin-bottom: var(--spacing-md);
}

.hero-trust-logos {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.trust-badge {
    background-color: rgba(255, 255, 255, 0.1);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    border: 1px solid rgba(255, 255, 255, 0.2);
}

/* --------------------------------------------------------------------------
   Problems Section
   -------------------------------------------------------------------------- */
.problems {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-gray-50);
}

.problems-grid {
    display: grid;
    gap: var(--spacing-lg);
    margin-bottom: var(--spacing-3xl);
}

.problem-card {
    background-color: var(--color-white);
    padding: var(--spacing-xl);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    text-align: center;
}

.problem-icon {
    width: 60px;
    height: 60px;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
}

.problem-icon svg {
    width: 28px;
    height: 28px;
    stroke: var(--color-white);
}

.problem-card h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-sm);
}

.problem-card p {
    color: var(--color-gray-500);
    font-size: var(--font-size-sm);
}

.problems-solution {
    text-align: center;
}

.problems-solution p {
    font-size: var(--font-size-lg);
    margin-bottom: var(--spacing-lg);
    color: var(--color-gray-700);
}

/* --------------------------------------------------------------------------
   Services Section
   -------------------------------------------------------------------------- */
.services {
    padding: var(--spacing-4xl) 0;
}

.services-grid {
    display: grid;
    gap: var(--spacing-xl);
}

.service-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.service-card:hover {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-xl);
    transform: translateY(-4px);
}

.service-header {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    margin-bottom: var(--spacing-lg);
}

.service-icon {
    width: 50px;
    height: 50px;
    background-color: var(--color-primary);
    border-radius: var(--radius-lg);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.service-icon svg {
    width: 24px;
    height: 24px;
    stroke: var(--color-white);
}

.service-header h3 {
    font-size: var(--font-size-xl);
    font-weight: 600;
    color: var(--color-gray-900);
}

.service-card > p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.service-features {
    margin-bottom: var(--spacing-lg);
}

.service-features li {
    display: flex;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-sm) 0;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.service-features svg {
    width: 18px;
    height: 18px;
    fill: var(--color-accent);
    flex-shrink: 0;
}

.service-tech {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
}

.service-tech span {
    background-color: var(--color-gray-100);
    padding: var(--spacing-xs) var(--spacing-sm);
    border-radius: var(--radius-sm);
    font-size: var(--font-size-xs);
    color: var(--color-gray-600);
    font-weight: 500;
}

/* --------------------------------------------------------------------------
   Work / Case Studies Section
   -------------------------------------------------------------------------- */
.work {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-gray-50);
}

.case-study {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-3xl);
    background-color: var(--color-white);
    border-radius: var(--radius-xl);
    overflow: hidden;
    box-shadow: var(--shadow-md);
}

.case-study:last-child {
    margin-bottom: 0;
}

.case-study-images {
    position: relative;
    padding: var(--spacing-lg);
    background: linear-gradient(135deg, var(--color-gray-100) 0%, var(--color-gray-200) 100%);
}

.case-study-img {
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-lg);
}

.case-study-img.main {
    width: 100%;
}

.case-study-img.secondary {
    display: none;
}

.case-study-content {
    padding: var(--spacing-lg);
}

.case-study-tag {
    display: inline-block;
    background-color: var(--color-primary);
    color: var(--color-white);
    padding: var(--spacing-xs) var(--spacing-md);
    border-radius: var(--radius-full);
    font-size: var(--font-size-xs);
    font-weight: 500;
    margin-bottom: var(--spacing-md);
}

.case-study-content h3 {
    font-size: var(--font-size-2xl);
    font-weight: 600;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.case-study-content > p {
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

.case-study-features {
    margin-bottom: var(--spacing-lg);
}

.case-study-features li {
    position: relative;
    padding-left: var(--spacing-lg);
    padding-top: var(--spacing-xs);
    padding-bottom: var(--spacing-xs);
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

.case-study-features li::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 8px;
    background-color: var(--color-accent);
    border-radius: 50%;
}

.case-study-result {
    display: inline-flex;
    align-items: center;
    gap: var(--spacing-sm);
    background-color: var(--color-gray-50);
    padding: var(--spacing-md) var(--spacing-lg);
    border-radius: var(--radius-lg);
    border-left: 4px solid var(--color-accent);
}

.result-number {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-primary);
}

.case-study-content .btn {
    margin-top: var(--spacing-lg);
}

.result-text {
    font-size: var(--font-size-sm);
    color: var(--color-gray-600);
}

/* --------------------------------------------------------------------------
   Other Work Section
   -------------------------------------------------------------------------- */
.other-work {
    padding: var(--spacing-3xl) 0 var(--spacing-4xl);
    background-color: var(--color-gray-50);
}

.other-work-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.other-work-card {
    position: relative;
    border-radius: var(--radius-lg);
    overflow: hidden;
    aspect-ratio: 16/10;
}

.other-work-card img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform var(--transition-slow);
}

.other-work-card:hover img {
    transform: scale(1.05);
}

.other-work-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(0,0,0,0.8) 0%, transparent 100%);
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    padding: var(--spacing-lg);
    color: var(--color-white);
}

.other-work-overlay h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.other-work-overlay p {
    font-size: var(--font-size-sm);
    opacity: 0.8;
}

.demo-badge {
    display: inline-block;
    margin-top: var(--spacing-sm);
    padding: var(--spacing-xs) var(--spacing-md);
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 500;
    border-radius: var(--radius-full);
}

a.other-work-card {
    display: block;
    cursor: pointer;
}

a.other-work-card:hover .demo-badge {
    background-color: var(--color-white);
    color: var(--color-primary);
}

/* --------------------------------------------------------------------------
   Testimonials Section
   -------------------------------------------------------------------------- */
.testimonials {
    padding: var(--spacing-4xl) 0;
}

.testimonials-grid {
    display: grid;
    gap: var(--spacing-lg);
}

.testimonial-card {
    background-color: var(--color-white);
    border: 1px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-xl);
}

.testimonial-content {
    margin-bottom: var(--spacing-lg);
}

.quote-icon {
    width: 40px;
    height: 40px;
    fill: var(--color-primary);
    opacity: 0.2;
    margin-bottom: var(--spacing-md);
}

.testimonial-content p {
    font-size: var(--font-size-base);
    color: var(--color-gray-700);
    line-height: 1.7;
    font-style: italic;
}

.testimonial-author {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
}

.author-avatar {
    width: 48px;
    height: 48px;
    background-color: var(--color-primary);
    color: var(--color-white);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
    font-size: var(--font-size-sm);
}

.author-info {
    display: flex;
    flex-direction: column;
}

.author-info strong {
    color: var(--color-gray-900);
    font-weight: 600;
}

.author-info span {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.testimonials-note {
    text-align: center;
    margin-top: var(--spacing-xl);
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    font-style: italic;
}

/* --------------------------------------------------------------------------
   Why Us Section
   -------------------------------------------------------------------------- */
.why-us {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-primary-dark);
    color: var(--color-white);
}

.why-us .section-title {
    color: var(--color-white);
}

.why-us-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: var(--spacing-lg);
}

.why-us-card {
    text-align: center;
    padding: var(--spacing-xl);
    background-color: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius-lg);
    border: 1px solid rgba(255, 255, 255, 0.1);
}

.why-us-number {
    font-size: var(--font-size-4xl);
    font-weight: 700;
    color: var(--color-accent);
    margin-bottom: var(--spacing-sm);
}

.why-us-card h4 {
    font-size: var(--font-size-lg);
    font-weight: 600;
    margin-bottom: var(--spacing-sm);
}

.why-us-card p {
    font-size: var(--font-size-sm);
    color: rgba(255, 255, 255, 0.7);
}

/* --------------------------------------------------------------------------
   Tech Stack Section
   -------------------------------------------------------------------------- */
.tech-stack {
    padding: var(--spacing-3xl) 0;
    background-color: var(--color-gray-50);
}

.tech-logos {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: var(--spacing-lg);
}

.tech-logos img {
    height: 50px;
    width: auto;
    filter: grayscale(100%);
    opacity: 0.6;
    transition: all var(--transition-base);
}

.tech-logos img:hover {
    filter: grayscale(0%);
    opacity: 1;
}

/* --------------------------------------------------------------------------
   Contact Section
   -------------------------------------------------------------------------- */
.contact {
    padding: var(--spacing-4xl) 0;
}

.contact-wrapper {
    display: grid;
    gap: var(--spacing-3xl);
}

.contact-info h2 {
    font-size: var(--font-size-3xl);
    font-weight: 700;
    color: var(--color-gray-900);
    margin-bottom: var(--spacing-md);
}

.contact-info > p {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-xl);
}

.contact-details {
    margin-top: var(--spacing-xl);
}

.contact-item {
    display: flex;
    align-items: center;
    gap: var(--spacing-md);
    padding: var(--spacing-sm) 0;
    color: var(--color-gray-600);
}

.contact-item svg {
    width: 20px;
    height: 20px;
    stroke: var(--color-primary);
    flex-shrink: 0;
}

.contact-form-wrapper {
    background-color: var(--color-gray-50);
    padding: var(--spacing-xl);
    border-radius: var(--radius-xl);
}

.form-group {
    margin-bottom: var(--spacing-lg);
}

.form-group label {
    display: block;
    font-size: var(--font-size-sm);
    font-weight: 500;
    color: var(--color-gray-700);
    margin-bottom: var(--spacing-sm);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: var(--spacing-md);
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: var(--color-gray-400);
}

.form-group select {
    cursor: pointer;
}

.form-group textarea {
    resize: vertical;
    min-height: 100px;
}

/* Phone + Country Code combo */
.phone-input-group {
    display: flex;
    align-items: stretch;
    border: 1px solid var(--color-gray-300);
    border-radius: var(--radius-md);
    background-color: var(--color-white);
    overflow: hidden;
    transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
}

.phone-input-group:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.1);
}

.phone-country-select {
    flex-shrink: 0;
    width: auto;
    min-width: 130px;
    padding: var(--spacing-md) var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    border: none !important;
    border-right: 1px solid var(--color-gray-300) !important;
    border-radius: 0 !important;
    background-color: var(--color-gray-50) !important;
    box-shadow: none !important;
    cursor: pointer;
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
    outline: none;
    appearance: none;
    -webkit-appearance: none;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236b7280' d='M1 1l5 5 5-5'/%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 8px center;
    padding-right: 24px;
}

.phone-country-select:focus {
    border-color: transparent !important;
    box-shadow: none !important;
    outline: none;
}

.phone-number-input {
    flex: 1 1 auto;
    width: 100%;
    display: block;
    border: none !important;
    border-radius: 0 !important;
    box-shadow: none !important;
    outline: none;
    padding: var(--spacing-md) !important;
    min-width: 0;
    background-color: var(--color-white) !important;
    color: var(--color-gray-900);
}

.phone-number-input:focus {
    border-color: transparent !important;
    box-shadow: none !important;
    outline: none;
}

.form-message {
    margin-top: var(--spacing-md);
    padding: var(--spacing-md);
    border-radius: var(--radius-md);
    font-size: var(--font-size-sm);
    display: none;
}

.form-message.success {
    display: block;
    background-color: #d1fae5;
    color: #065f46;
}

.form-message.error {
    display: block;
    background-color: #fee2e2;
    color: #991b1b;
}

/* --------------------------------------------------------------------------
   Footer
   -------------------------------------------------------------------------- */
.footer {
    background-color: var(--color-gray-900);
    color: var(--color-white);
    padding: var(--spacing-3xl) 0 var(--spacing-xl);
}

.footer-content {
    display: grid;
    gap: var(--spacing-xl);
    margin-bottom: var(--spacing-xl);
}

.footer-brand img {
    height: 40px;
    margin-bottom: var(--spacing-md);
}

.footer-brand p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
}

.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-lg);
}

.footer-links a {
    font-size: var(--font-size-sm);
    color: var(--color-gray-400);
    transition: color var(--transition-fast);
}

.footer-links a:hover {
    color: var(--color-white);
}

.footer-bottom {
    padding-top: var(--spacing-xl);
    border-top: 1px solid var(--color-gray-800);
    text-align: center;
}

.footer-bottom p {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

/* --------------------------------------------------------------------------
   WhatsApp Floating Button
   -------------------------------------------------------------------------- */
.whatsapp-float {
    position: fixed;
    bottom: var(--spacing-xl);
    right: var(--spacing-xl);
    width: 60px;
    height: 60px;
    background-color: var(--color-accent);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: var(--shadow-xl);
    z-index: 999;
    transition: all var(--transition-base);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 25px rgba(37, 211, 102, 0.4);
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: var(--color-white);
}

/* --------------------------------------------------------------------------
   Animations
   -------------------------------------------------------------------------- */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.animate-fadeInUp {
    animation: fadeInUp 0.6s ease forwards;
}

/* --------------------------------------------------------------------------
   Pricing Section
   -------------------------------------------------------------------------- */
.pricing {
    padding: var(--spacing-4xl) 0;
    background-color: var(--color-gray-50);
}

.pricing-grid {
    display: grid;
    grid-template-columns: 1fr;
    gap: var(--spacing-xl);
    margin-top: var(--spacing-3xl);
}

.pricing-card {
    background-color: var(--color-white);
    border: 2px solid var(--color-gray-200);
    border-radius: var(--radius-xl);
    padding: var(--spacing-2xl);
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
    position: relative;
    transition: box-shadow var(--transition-base), border-color var(--transition-base);
}

.pricing-card:hover {
    box-shadow: var(--shadow-lg);
    border-color: var(--color-primary-light);
}

.pricing-card--featured {
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
}

.pricing-badge {
    position: absolute;
    top: -14px;
    left: 50%;
    transform: translateX(-50%);
    background-color: var(--color-primary);
    color: var(--color-white);
    font-size: var(--font-size-xs);
    font-weight: 700;
    letter-spacing: 0.05em;
    text-transform: uppercase;
    padding: 4px 16px;
    border-radius: 999px;
    white-space: nowrap;
}

.pricing-icon {
    font-size: 2.5rem;
}

.pricing-card h3 {
    font-size: var(--font-size-xl);
    color: var(--color-gray-900);
    font-weight: 700;
    margin: 0;
}

.pricing-price {
    display: flex;
    flex-direction: column;
    gap: 2px;
}

.pricing-from {
    font-size: var(--font-size-sm);
    color: var(--color-gray-500);
}

.pricing-amount {
    font-size: var(--font-size-4xl);
    font-weight: 800;
    color: var(--color-primary);
    line-height: 1;
}

.pricing-features {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
    flex: 1;
}

.pricing-features li {
    font-size: var(--font-size-sm);
    color: var(--color-gray-700);
}

.pricing-note {
    text-align: center;
    margin-top: var(--spacing-2xl);
    color: var(--color-gray-600);
    font-size: var(--font-size-sm);
}

.pricing-note a {
    color: var(--color-primary);
    font-weight: 600;
    text-decoration: underline;
}

/* Pricing Toggle */
.pricing-toggle-wrap {
    display: flex;
    align-items: center;
    justify-content: center;
    gap: var(--spacing-md);
    margin: var(--spacing-xl) 0 0;
}

.pricing-toggle-label {
    font-size: var(--font-size-sm);
    font-weight: 600;
    color: var(--color-gray-600);
    display: flex;
    align-items: center;
    gap: var(--spacing-xs);
}

.pricing-toggle {
    position: relative;
    width: 52px;
    height: 28px;
    background-color: var(--color-gray-300);
    border: none;
    border-radius: 999px;
    cursor: pointer;
    transition: background-color var(--transition-fast);
    flex-shrink: 0;
}

.pricing-toggle[aria-checked="true"] {
    background-color: var(--color-primary);
}

.pricing-toggle-thumb {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 22px;
    height: 22px;
    background-color: var(--color-white);
    border-radius: 50%;
    transition: transform var(--transition-fast);
    box-shadow: 0 1px 4px rgba(0,0,0,0.2);
}

.pricing-toggle[aria-checked="true"] .pricing-toggle-thumb {
    transform: translateX(24px);
}

.pricing-save-badge {
    background-color: var(--color-accent);
    color: var(--color-white);
    font-size: 11px;
    font-weight: 700;
    padding: 2px 8px;
    border-radius: 999px;
}

/* Amount with period inline */
.pricing-amount-wrap {
    display: flex;
    align-items: baseline;
    gap: 2px;
}

.pricing-period {
    font-size: var(--font-size-lg);
    color: var(--color-gray-500);
    font-weight: 500;
}

.pricing-billed {
    font-size: var(--font-size-xs);
    color: var(--color-accent);
    font-weight: 600;
    min-height: 1.2em;
    display: block;
}

/* --------------------------------------------------------------------------
   Responsive - Tablet (768px+)
   -------------------------------------------------------------------------- */
@media (min-width: 768px) {
    .hero-title {
        font-size: var(--font-size-4xl);
    }

    .hero-cta {
        flex-direction: row;
        justify-content: center;
    }

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

    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-study {
        grid-template-columns: 1fr 1fr;
    }

    .case-study.reverse .case-study-images {
        order: 2;
    }

    .case-study.reverse .case-study-content {
        order: 1;
    }

    .case-study-images {
        padding: var(--spacing-xl);
    }

    .case-study-img.secondary {
        display: block;
        position: absolute;
        width: 40%;
        bottom: var(--spacing-md);
        right: var(--spacing-md);
        box-shadow: var(--shadow-xl);
    }

    .case-study-content {
        display: flex;
        flex-direction: column;
        justify-content: center;
        padding: var(--spacing-xl);
    }

    .other-work-grid {
        grid-template-columns: repeat(3, 1fr);
    }

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

    .why-us-grid {
        grid-template-columns: repeat(4, 1fr);
    }

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

    .contact-wrapper {
        grid-template-columns: 1fr 1fr;
    }

    .footer-content {
        grid-template-columns: 1fr auto;
        align-items: center;
    }
}

/* --------------------------------------------------------------------------
   Responsive - Desktop (1024px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1024px) {
    .nav {
        display: flex;
    }

    .nav-cta {
        display: inline-flex;
    }

    .mobile-menu-btn {
        display: none;
    }

    .hero-title {
        font-size: var(--font-size-5xl);
    }

    .section-title {
        font-size: var(--font-size-4xl);
    }

    .case-study-content h3 {
        font-size: var(--font-size-3xl);
    }

    .tech-logos img {
        height: 60px;
    }
}

/* --------------------------------------------------------------------------
   Responsive - Large Desktop (1280px+)
   -------------------------------------------------------------------------- */
@media (min-width: 1280px) {
    .container {
        padding: 0 var(--spacing-xl);
    }

    .case-study-content {
        padding: var(--spacing-3xl);
    }
}