:root {
    --primary-blue: #003366;
    --text-charcoal: #1a1a1a;
    --bg-white: #ffffff;
    --light-gray: #f4f4f4;
    --accent-gray: #dddddd;
    --transition-speed: 0.4s;
    --max-width: 1200px;
    --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.05);
    --shadow-bold: 0 20px 40px rgba(0, 31, 63, 0.1);
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeIn {
    from {
        opacity: 0;
    }

    to {
        opacity: 1;
    }
}

@keyframes slideInLeft {
    from {
        opacity: 0;
        transform: translateX(-30px);
    }

    to {
        opacity: 1;
        transform: translateX(0);
    }
}

@keyframes scaleIn {
    from {
        opacity: 0;
        transform: scale(0.95);
    }

    to {
        opacity: 1;
        transform: scale(1);
    }
}

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

.reveal {
    opacity: 0;
    transition: all 0.8s ease-out;
}

.reveal.visible {
    opacity: 1;
}

.fade-up {
    transform: translateY(30px);
}

.fade-up.visible {
    transform: translateY(0);
}

.slide-left {
    transform: translateX(-30px);
}

.slide-left.visible {
    transform: translateX(0);
}

.scale-in {
    transform: scale(0.95);
}

.scale-in.visible {
    transform: scale(1);
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
    line-height: 1.6;
    color: var(--text-charcoal);
    background-color: var(--bg-white);
    overflow-x: hidden;
}

h1,
h2,
h3 {
    line-height: 1.2;
    margin-bottom: 1.5rem;
    font-weight: 700;
}

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

ul {
    list-style: none;
}

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

.container {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 0 1.5rem;
}

/* Header & Navigation */
header {
    background: var(--bg-white);
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    padding: 1rem 0;
    position: sticky;
    top: 0;
    z-index: 1000;
}

nav {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    font-size: 1.25rem;
    font-weight: 800;
    color: var(--primary-blue);
    letter-spacing: -0.5px;
    line-height: 1.1;
    display: flex;
    flex-direction: column;
}

.logo span {
    font-size: 0.75rem;
    font-weight: 500;
    color: #666;
    letter-spacing: 1px;
    text-transform: uppercase;
}

.nav-links {
    display: flex;
    gap: 2rem;
}

.nav-links a {
    font-size: 0.95rem;
    font-weight: 500;
    color: #444;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--primary-blue);
}

.menu-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
}

.menu-toggle span {
    width: 25px;
    height: 3px;
    background: var(--text-charcoal);
    border-radius: 3px;
}

/* Hero Section */
.hero {
    padding: 100px 0;
    background: linear-gradient(135deg, #f9f9f9 0%, #ffffff 100%);
    text-align: center;
}

.hero h1 {
    font-size: 3rem;
    max-width: 900px;
    margin-left: auto;
    margin-right: auto;
    color: var(--primary-blue);
}

.hero p {
    font-size: 1.25rem;
    color: #555;
    margin-bottom: 2.5rem;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
}

.btn {
    display: inline-block;
    padding: 1rem 2.5rem;
    background: var(--primary-blue);
    color: #fff;
    border-radius: 4px;
    font-weight: 600;
    transition: var(--transition-speed);
    border: 2px solid var(--primary-blue);
}

.btn:hover {
    background: transparent;
    color: var(--primary-blue);
}

.btn-outline {
    background: transparent;
    color: var(--primary-blue);
}

.btn-outline:hover {
    background: var(--primary-blue);
    color: #fff;
}

/* Sections */
section {
    padding: 80px 0;
}

.section-title {
    text-align: center;
    margin-bottom: 3.5rem;
}

.section-title h2 {
    font-size: 2.25rem;
    color: var(--primary-blue);
}

.section-title p {
    color: #666;
    max-width: 600px;
    margin: 0 auto;
}

/* Grid Layouts */
.grid {
    display: grid;
    gap: 2rem;
}

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

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

/* Cards */
.card {
    background: #fff;
    padding: 2.5rem;
    border: 1px solid #eee;
    border-radius: 12px;
    transition: var(--transition-speed) cubic-bezier(0.165, 0.84, 0.44, 1);
}

.card:hover {
    border-color: var(--primary-blue);
    transform: translateY(-10px);
    box-shadow: var(--shadow-bold);
}

.card h3 {
    color: var(--primary-blue);
    margin-bottom: 1rem;
}

/* Footer */
footer {
    background: #111;
    color: #fff;
    padding: 60px 0 30px;
}

.footer-content {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 3rem;
    margin-bottom: 40px;
}

.footer-logo {
    font-size: 1.5rem;
    font-weight: 800;
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer-links h4 {
    margin-bottom: 1.5rem;
    color: #fff;
}

.footer-links ul li {
    margin-bottom: 0.75rem;
}

.footer-links ul li a {
    color: #aaa;
    font-size: 0.9rem;
}

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

.footer-bottom {
    border-top: 1px solid #333;
    padding-top: 30px;
    text-align: center;
    font-size: 0.85rem;
    color: #777;
}

/* Responsive */
@media (max-width: 992px) {
    .grid-3 {
        grid-template-columns: repeat(2, 1fr);
    }

    .hero h1 {
        font-size: 2.5rem;
    }
}

/* Floating WhatsApp Button */
.whatsapp-button {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #25d366 0%, #20ba5a 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-bold);
    transition: all var(--transition-speed) ease;
    z-index: 999;
    border: none;
    cursor: pointer;
}

.whatsapp-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.whatsapp-button:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 25px 45px rgba(37, 211, 102, 0.35);
}

.whatsapp-button:active {
    transform: scale(0.95);
}

/* Floating LinkedIn Button */
.linkedin-button {
    position: fixed;
    bottom: 2rem;
    right: 6rem;
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #0077B5 0%, #0066A1 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    text-decoration: none;
    box-shadow: var(--shadow-bold);
    transition: all var(--transition-speed) ease;
    z-index: 999;
    border: none;
    cursor: pointer;
}

.linkedin-icon {
    width: 32px;
    height: 32px;
    object-fit: contain;
}

.linkedin-button:hover {
    transform: scale(1.1) translateY(-5px);
    box-shadow: 0 25px 45px rgba(0, 119, 181, 0.35);
}

.linkedin-button:active {
    transform: scale(0.95);
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background: #fff;
        flex-direction: column;
        padding: 2rem;
        gap: 1.5rem;
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    }

    .nav-links.active {
        display: flex;
    }

    .menu-toggle {
        display: flex;
    }

    .grid-3,
    .grid-2 {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 2rem;
    }

    .footer-content {
        grid-template-columns: 1fr;
    }

    .linkedin-button {
        bottom: 1.5rem;
        right: 5rem;
        width: 56px;
        height: 56px;
    }

    .linkedin-icon {
        width: 28px;
        height: 28px;
    }

    .whatsapp-button {
        bottom: 1.5rem;
        right: 1.5rem;
        width: 56px;
        height: 56px;
        font-size: 28px;
    }
}

@media (max-width: 480px) {
    .whatsapp-button {
        bottom: 1rem;
        right: 1rem;
        width: 50px;
        height: 50px;
        font-size: 24px;
    }

    .linkedin-button {
        bottom: 5.2rem;
        right: 1rem;
        width: 50px;
        height: 50px;
    }

    .linkedin-icon {
        width: 24px;
        height: 24px;
    }

    .whatsapp-icon {
        width: 24px;
        height: 24px;
    }
}