/* ==========================================================================
   Design System & Modern Reset - SoftSys
   ========================================================================== */

@import url('https://fonts.googleapis.com/css2?family=Inter:wght@300;400;500;600;700&family=Outfit:wght@400;500;600;700;800&display=swap');

:root {
    /* Fonts */
    --font-sans: 'Inter', sans-serif;
    --font-heading: 'Outfit', sans-serif;

    /* Transition Speeds */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --transition-slow: 0.5s ease;

    /* Theme Variables - Dark Theme (Default) */
    --bg-color: #18181b;
    --bg-gradient: linear-gradient(135deg, #18181b 0%, #27272a 100%);
    --surface-color: rgba(39, 39, 42, 0.6);
    --surface-solid: #27272a;
    --text-color: #f4f4f5;
    --text-muted: #a1a1aa;
    --primary-color: #ef4444;
    --primary-hover: #dc2626;
    --primary-rgb: 239, 68, 68;
    --accent-color: #71717a;
    --accent-hover: #52525b;
    --accent-rgb: 113, 113, 122;
    --border-color: rgba(255, 255, 255, 0.08);
    --shadow-color: rgba(0, 0, 0, 0.4);
    --card-hover-bg: rgba(39, 39, 42, 0.9);
    --grid-color: rgba(255, 255, 255, 0.035);
    
    /* Layout Constants */
    --header-height: 80px;
    --border-radius-sm: 8px;
    --border-radius-md: 16px;
    --border-radius-lg: 24px;
    --max-width: 1200px;
}

/* Light Theme Variables overrides */
body.light-theme {
    --bg-color: #f4f4f5;
    --bg-gradient: linear-gradient(135deg, #f4f4f5 0%, #e4e4e7 100%);
    --surface-color: rgba(255, 255, 255, 0.8);
    --surface-solid: #ffffff;
    --text-color: #18181b;
    --text-muted: #52525b;
    --primary-color: #dc2626;
    --primary-hover: #b91c1c;
    --primary-rgb: 220, 38, 38;
    --accent-color: #71717a;
    --accent-hover: #4f4f56;
    --accent-rgb: 113, 113, 122;
    --border-color: rgba(24, 24, 27, 0.08);
    --shadow-color: rgba(24, 24, 27, 0.04);
    --card-hover-bg: #ffffff;
    --grid-color: rgba(24, 24, 27, 0.03);
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: var(--header-height);
}

body {
    font-family: var(--font-sans);
    background-color: var(--bg-color);
    background-image: var(--bg-gradient);
    color: var(--text-color);
    line-height: 1.6;
    overflow-x: hidden;
    transition: background-color var(--transition-normal), color var(--transition-normal);
}

a {
    color: inherit;
    text-decoration: none;
    transition: color var(--transition-fast);
}

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

button, input, textarea {
    font-family: inherit;
    font-size: inherit;
    color: inherit;
    background: none;
    border: none;
    outline: none;
}

li {
    list-style: none;
}

/* ==========================================================================
   Typography & Base Components
   ========================================================================== */

h1, h2, h3, h4, h5, h6 {
    font-family: var(--font-heading);
    font-weight: 700;
    line-height: 1.25;
    margin-bottom: 0.5em;
}

h1 {
    font-size: clamp(2.5rem, 5vw, 4rem);
    letter-spacing: -0.02em;
}

h2 {
    font-size: clamp(2rem, 4vw, 2.75rem);
    text-align: center;
    position: relative;
    margin-bottom: 1.5rem;
}

h2::after {
    content: '';
    display: block;
    width: 60px;
    height: 4px;
    background: var(--primary-color);
    margin: 12px auto 0;
    border-radius: 2px;
    transition: background var(--transition-normal);
}

p {
    font-size: 1rem;
    color: var(--text-muted);
    margin-bottom: 1.5rem;
}

.text-highlight {
    color: var(--primary-color);
    transition: color var(--transition-normal);
}

.container {
    width: 100%;
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 24px;
}

.section {
    padding: clamp(4rem, 10vw, 8rem) 0;
    position: relative;
}

.section-subtitle {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3.5rem;
    font-size: 1.125rem;
}

/* ==========================================================================
   Buttons
   ========================================================================== */

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 14px 28px;
    border-radius: var(--border-radius-sm);
    font-weight: 600;
    cursor: pointer;
    transition: all var(--transition-fast);
    font-family: var(--font-sans);
}

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

.btn-primary:hover {
    background-color: var(--primary-hover);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(var(--primary-rgb), 0.35);
}

body.light-theme .btn-primary {
    color: #ffffff;
}

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

.btn-secondary:hover {
    border-color: var(--primary-color);
    color: var(--primary-color);
    transform: translateY(-2px);
}

/* ==========================================================================
   Header & Navigation
   ========================================================================== */

.top-bar {
    background-color: rgba(24, 24, 27, 0.95);
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    padding: 8px 0;
    font-size: 0.875rem;
    color: #94a3b8;
    transition: all var(--transition-normal);
}

body.light-theme .top-bar {
    background-color: #f1f5f9;
    border-bottom: 1px solid rgba(15, 23, 42, 0.05);
    color: #475569;
}

.top-bar .container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.top-contact-info {
    display: flex;
    gap: 24px;
}

.top-contact-info a {
    display: flex;
    align-items: center;
    gap: 8px;
}

.top-contact-info a:hover {
    color: var(--primary-color);
}

.main-header {
    height: var(--header-height);
    position: sticky;
    top: 0;
    z-index: 1000;
    background-color: var(--surface-color);
    backdrop-filter: blur(12px) saturate(180%);
    -webkit-backdrop-filter: blur(12px) saturate(180%);
    border-bottom: 1px solid var(--border-color);
    transition: all var(--transition-normal);
}

.main-header .container {
    height: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    display: flex;
    align-items: center;
    gap: 12px;
}

.logo img {
    height: 48px;
    width: auto;
}

.logo-text {
    font-family: var(--font-heading);
    font-size: 1.5rem;
    font-weight: 800;
    letter-spacing: -0.01em;
}

.nav-menu {
    display: flex;
    align-items: center;
    gap: 32px;
}

.nav-link {
    font-weight: 500;
    font-size: 0.95rem;
    position: relative;
    padding: 6px 0;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background-color: var(--primary-color);
    transition: width var(--transition-fast);
}

.nav-link:hover::after,
.nav-link.active::after {
    width: 100%;
}

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

.theme-toggle-btn {
    background: none;
    border: none;
    cursor: pointer;
    padding: 8px;
    border-radius: 50%;
    color: var(--text-color);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.theme-toggle-btn:hover {
    background-color: var(--border-color);
    color: var(--primary-color);
}

.theme-toggle-btn svg {
    width: 20px;
    height: 20px;
    fill: currentColor;
}

/* Icon visibility matching theme state */
.theme-toggle-btn .sun-icon { display: block; }
.theme-toggle-btn .moon-icon { display: none; }
body.light-theme .theme-toggle-btn .sun-icon { display: none; }
body.light-theme .theme-toggle-btn .moon-icon { display: block; }

.hamburger {
    display: none;
    cursor: pointer;
    flex-direction: column;
    gap: 6px;
    padding: 8px;
    border-radius: var(--border-radius-sm);
    background: transparent;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background-color: var(--text-color);
    transition: all var(--transition-fast);
}

/* Hamburger active states */
.hamburger.open span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 6px);
}
.hamburger.open span:nth-child(2) {
    opacity: 0;
}
.hamburger.open span:nth-child(3) {
    transform: rotate(-45deg) translate(5px, -7px);
}

/* ==========================================================================
   Hero Section
   ========================================================================== */

.hero-section {
    padding: 100px 0 120px;
    display: flex;
    align-items: center;
    position: relative;
    overflow: hidden;
    background-size: 40px 40px;
    background-image: 
        linear-gradient(to right, var(--grid-color) 1px, transparent 1px),
        linear-gradient(to bottom, var(--grid-color) 1px, transparent 1px);
}

/* Background gradient mesh glows */
.hero-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(var(--primary-rgb), 0.15) 0%, rgba(var(--accent-rgb), 0.05) 50%, rgba(0, 0, 0, 0) 100%);
    top: -100px;
    right: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
    animation: pulseGlow 15s infinite alternate ease-in-out;
}

.hero-glow-2 {
    position: absolute;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(var(--accent-rgb), 0.12) 0%, rgba(0, 0, 0, 0) 100%);
    bottom: -100px;
    left: -100px;
    border-radius: 50%;
    z-index: 0;
    pointer-events: none;
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.2fr 0.8fr;
    gap: 48px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.hero-content h1 {
    font-size: clamp(2.5rem, 5.5vw, 4.25rem);
    line-height: 1.15;
    margin-bottom: 1.5rem;
}

.hero-content p {
    font-size: 1.25rem;
    margin-bottom: 2.5rem;
    max-width: 600px;
}

.hero-actions {
    display: flex;
    gap: 16px;
    flex-wrap: wrap;
}

.hero-visual {
    position: relative;
    display: flex;
    justify-content: center;
    align-items: center;
}

.hero-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 32px;
    box-shadow: 0 20px 40px var(--shadow-color);
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    width: 100%;
    max-width: 400px;
    text-align: center;
    position: relative;
    animation: float 6s ease-in-out infinite;
}

.hero-card-icon {
    width: 72px;
    height: 72px;
    background: rgba(var(--primary-rgb), 0.1);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    margin-bottom: 20px;
    box-shadow: inset 0 0 12px rgba(var(--primary-rgb), 0.2);
}

.hero-card h3 {
    margin-bottom: 12px;
}

.hero-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ==========================================================================
   About Section
   ========================================================================== */

.about-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 64px;
    align-items: center;
}

.about-content h2 {
    text-align: left;
    margin-bottom: 1.5rem;
}

.about-content h2::after {
    margin: 12px 0 0 0;
}

.about-content p {
    font-size: 1.1rem;
    line-height: 1.7;
    margin-bottom: 2rem;
}

.about-pillars {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
}

.pillar-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    padding: 24px;
    border-radius: var(--border-radius-md);
    transition: all var(--transition-normal);
}

.pillar-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    background: var(--card-hover-bg);
    box-shadow: 0 12px 24px var(--shadow-color);
}

.pillar-icon {
    width: 44px;
    height: 44px;
    color: var(--primary-color);
    margin-bottom: 16px;
    display: flex;
    align-items: center;
}

.pillar-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
}

/* ==========================================================================
   Services Section
   ========================================================================== */

.services-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 30px;
}

.service-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 36px;
    transition: all var(--transition-normal);
    position: relative;
    overflow: hidden;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.service-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: linear-gradient(90deg, var(--primary-color), var(--accent-color));
    opacity: 0;
    transition: opacity var(--transition-normal);
}

.service-card:hover {
    transform: translateY(-8px);
    border-color: rgba(var(--primary-rgb), 0.3);
    background: var(--card-hover-bg);
    box-shadow: 0 16px 36px var(--shadow-color);
}

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

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: var(--border-radius-sm);
    background: rgba(var(--primary-rgb), 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    margin-bottom: 24px;
    transition: all var(--transition-fast);
}

.service-card:hover .service-icon {
    background: var(--primary-color);
    color: #ffffff;
}

body.light-theme .service-card:hover .service-icon {
    color: #ffffff;
}

.service-card h3 {
    font-size: 1.35rem;
    margin-bottom: 16px;
}

.service-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Clients Section
   ========================================================================== */

.clients-section {
    background: var(--surface-solid);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
    padding: 60px 0;
    transition: background-color var(--transition-normal);
}

.clients-slider {
    overflow: hidden;
    position: relative;
    width: 100%;
}

.clients-track {
    display: flex;
    gap: 60px;
    align-items: center;
    width: max-content;
    animation: infiniteScroll 30s linear infinite;
}

.clients-track:hover {
    animation-play-state: paused;
}

/* Logo Cards styling for Clients and Brands */
.logo-card {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #ffffff;
    border-radius: var(--border-radius-sm);
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
    opacity: 0.65;
    transition: opacity var(--transition-fast), transform var(--transition-fast), filter var(--transition-fast);
    filter: grayscale(1);
}

.logo-card:hover {
    opacity: 1;
    transform: translateY(-2px);
    filter: grayscale(0);
    box-shadow: 0 8px 20px rgba(239, 68, 68, 0.15);
}

.logo-card img {
    object-fit: contain;
    display: block;
}

.client-logo {
    width: 140px;
    height: 70px;
    padding: 10px 20px;
    flex-shrink: 0;
}

.client-logo img {
    max-height: 50px;
    max-width: 100px;
}

.brands-container {
    margin-top: 60px;
    border-top: 1px solid var(--border-color);
    padding-top: 50px;
}

.brands-grid {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
}

.brand-logo-item {
    width: 140px;
    height: 70px;
    padding: 10px 20px;
    filter: none;
    opacity: 0.85;
}

.brand-logo-item:hover {
    filter: none;
    opacity: 1;
}

.brand-logo-item img {
    max-height: 50px;
    max-width: 100px;
}

/* ==========================================================================
   How We Work Section
   ========================================================================== */

.steps-container {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 40px;
    position: relative;
    margin-top: 40px;
}

.steps-container::before {
    content: '';
    position: absolute;
    top: 50px;
    left: 10%;
    right: 10%;
    height: 2px;
    background: var(--border-color);
    z-index: 0;
}

.step-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 32px;
    text-align: center;
    position: relative;
    z-index: 1;
    transition: all var(--transition-normal);
}

.step-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
    box-shadow: 0 12px 24px var(--shadow-color);
}

.step-number {
    width: 44px;
    height: 44px;
    background: var(--primary-color);
    color: #ffffff;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-family: var(--font-heading);
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 24px;
    box-shadow: 0 4px 12px rgba(var(--primary-rgb), 0.3);
}

body.light-theme .step-number {
    color: #ffffff;
}

.step-card h3 {
    font-size: 1.25rem;
    margin-bottom: 12px;
}

.step-card p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

/* ==========================================================================
   Contact Section
   ========================================================================== */

.contact-grid {
    display: grid;
    grid-template-columns: 0.85fr 1.15fr;
    gap: 60px;
    align-items: start;
}

.contact-info {
    display: flex;
    flex-direction: column;
    gap: 32px;
}

.contact-info h3 {
    font-size: 1.75rem;
    margin-bottom: 1.25rem;
}

.contact-card {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-md);
    padding: 24px;
    display: flex;
    align-items: flex-start;
    gap: 20px;
    transition: border-color var(--transition-normal);
}

.contact-card:hover {
    border-color: var(--primary-color);
}

.contact-card-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--border-radius-sm);
    background: rgba(var(--primary-rgb), 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--primary-color);
    flex-shrink: 0;
}

.contact-card-content h4 {
    font-size: 1.05rem;
    font-weight: 600;
    margin-bottom: 6px;
}

.contact-card-content p {
    margin-bottom: 0;
    font-size: 0.95rem;
}

.contact-form-container {
    background: var(--surface-color);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-lg);
    padding: 48px;
    box-shadow: 0 16px 36px var(--shadow-color);
}

.contact-form-container h3 {
    font-size: 1.5rem;
    margin-bottom: 8px;
}

.contact-form-container p {
    margin-bottom: 32px;
}

.form-group {
    margin-bottom: 24px;
    position: relative;
}

.form-input {
    width: 100%;
    background: rgba(var(--bg-color), 0.5);
    border: 1px solid var(--border-color);
    border-radius: var(--border-radius-sm);
    padding: 14px 16px;
    font-size: 1rem;
    color: var(--text-color);
    transition: all var(--transition-fast);
}

.form-input:focus {
    border-color: var(--primary-color);
    background: var(--surface-solid);
    box-shadow: 0 0 0 4px rgba(var(--primary-rgb), 0.1);
}

.form-label {
    position: absolute;
    left: 16px;
    top: 14px;
    color: var(--text-muted);
    pointer-events: none;
    transition: all var(--transition-fast);
    font-size: 1rem;
}

/* Floating Label Logic */
.form-input:focus ~ .form-label,
.form-input:not(:placeholder-shown) ~ .form-label {
    top: -10px;
    left: 12px;
    font-size: 0.8rem;
    background-color: var(--surface-solid);
    padding: 0 6px;
    color: var(--primary-color);
    font-weight: 600;
}

body.light-theme .form-input:focus ~ .form-label,
body.light-theme .form-input:not(:placeholder-shown) ~ .form-label {
    background-color: var(--surface-solid);
}

textarea.form-input {
    min-height: 120px;
    resize: vertical;
}

.contact-form-container button {
    width: 100%;
}

/* Form success message overlay styles */
.form-status {
    display: none;
    margin-top: 20px;
    padding: 16px;
    border-radius: var(--border-radius-sm);
    font-weight: 500;
    text-align: center;
}

.form-status.success {
    display: block;
    background-color: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #10b981;
}

.form-status.error {
    display: block;
    background-color: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #ef4444;
}

/* ==========================================================================
   Footer
   ========================================================================== */

.main-footer {
    background-color: var(--surface-solid);
    border-top: 1px solid var(--border-color);
    padding: 80px 0 40px;
    transition: background-color var(--transition-normal);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.2fr repeat(2, 0.9fr);
    gap: 48px;
    margin-bottom: 60px;
}

.footer-brand .logo {
    margin-bottom: 20px;
}

.footer-brand p {
    font-size: 0.95rem;
    margin-bottom: 0;
}

.footer-nav h4 {
    font-size: 1.15rem;
    margin-bottom: 24px;
}

.footer-nav ul {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-nav a {
    font-size: 0.95rem;
    color: var(--text-muted);
}

.footer-nav a:hover {
    color: var(--primary-color);
    padding-left: 4px;
}

.footer-bottom {
    border-top: 1px solid var(--border-color);
    padding-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
    color: var(--text-muted);
    font-size: 0.875rem;
}

.footer-bottom p {
    margin-bottom: 0;
}

/* ==========================================================================
   Floating Widgets & Animations
   ========================================================================== */

.whatsapp-float {
    position: fixed;
    bottom: 32px;
    right: 32px;
    width: 60px;
    height: 60px;
    background-color: #25d366;
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 20px rgba(37, 211, 102, 0.4);
    z-index: 999;
    transition: transform var(--transition-fast), box-shadow var(--transition-fast);
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 8px 24px rgba(37, 211, 102, 0.5);
}

.whatsapp-float::after {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: 2px solid #25d366;
    border-radius: 50%;
    z-index: -1;
    animation: whatsappPulse 2s infinite;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
    fill: currentColor;
}

/* Scroll Top Button */
.scroll-top-btn {
    position: fixed;
    bottom: 32px;
    left: 32px;
    width: 50px;
    height: 50px;
    background-color: var(--surface-solid);
    border: 1px solid var(--border-color);
    color: var(--text-color);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 16px var(--shadow-color);
    z-index: 999;
    cursor: pointer;
    opacity: 0;
    visibility: hidden;
    transition: all var(--transition-fast);
}

.scroll-top-btn.visible {
    opacity: 1;
    visibility: visible;
}

.scroll-top-btn:hover {
    color: var(--primary-color);
    border-color: var(--primary-color);
    transform: translateY(-3px);
}

.scroll-top-btn svg {
    width: 20px;
    height: 20px;
}

/* Animations Definitions */
@keyframes float {
    0% { transform: translateY(0px); }
    50% { transform: translateY(-12px); }
    100% { transform: translateY(0px); }
}

@keyframes pulseGlow {
    0% { transform: scale(1); opacity: 0.8; }
    100% { transform: scale(1.15); opacity: 0.95; }
}

@keyframes infiniteScroll {
    0% { transform: translateX(0); }
    100% { transform: translateX(calc(-100% / 2)); } /* scroll exactly half path to repeat flawlessly */
}

@keyframes whatsappPulse {
    0% { transform: scale(1); opacity: 1; }
    100% { transform: scale(1.4); opacity: 0; }
}

/* Scroll reveal helper class */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.8s ease, transform 0.8s ease;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* ==========================================================================
   Responsive Breakpoints
   ========================================================================== */

@media (max-width: 1024px) {
    .hero-grid {
        grid-template-columns: 1fr;
        text-align: center;
        gap: 36px;
    }
    .hero-content h1 {
        margin: 0 auto 1.5rem;
    }
    .hero-content p {
        margin-left: auto;
        margin-right: auto;
    }
    .hero-actions {
        justify-content: center;
    }
    .hero-visual {
        margin-top: 24px;
    }
    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    .about-content h2 {
        text-align: center;
    }
    .about-content h2::after {
        margin-left: auto;
        margin-right: auto;
    }
    .steps-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
    .steps-container::before {
        display: none;
    }
    .contact-grid {
        grid-template-columns: 1fr;
        gap: 48px;
    }
    .footer-grid {
        grid-template-columns: 1fr repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    :root {
        --header-height: 70px;
    }
    .top-bar {
        display: none; /* Hide top info bar on mobile to prioritize main content area */
    }
    .hamburger {
        display: flex;
    }
    .nav-menu {
        position: fixed;
        top: var(--header-height);
        left: -100%;
        width: 100%;
        height: calc(100vh - var(--header-height));
        background-color: var(--surface-solid);
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 40px;
        transition: left var(--transition-normal);
        z-index: 998;
        border-top: 1px solid var(--border-color);
        box-shadow: 0 10px 30px var(--shadow-color);
    }
    .nav-menu.open {
        left: 0;
    }
    .nav-link {
        font-size: 1.25rem;
    }
    .services-grid {
        grid-template-columns: 1fr;
    }
    .contact-form-container {
        padding: 32px 24px;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .whatsapp-float {
        bottom: 24px;
        right: 24px;
        width: 50px;
        height: 50px;
    }
    .whatsapp-float svg {
        width: 26px;
        height: 26px;
    }
    .scroll-top-btn {
        bottom: 24px;
        left: 24px;
        width: 44px;
        height: 44px;
    }
}