:root {
    --primary: #FF8C00;
    --primary-light: #FFD400;
    --primary-vivid: #FF5F00;
    --primary-dark: #FF8C00;
    --bg: #ffffff;
    --text: #1a1a1a;
    --text-muted: #666666;
    --border: #eeeeee;
    --card-bg: #ffffff;
    --shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

body {
    font-family: 'Inter', sans-serif;
    background-color: var(--bg);
    color: var(--text);
    line-height: 1.6;
    overflow-x: hidden;
}

h1,
h2,
h3,
h4,
.logo {
    font-family: 'Outfit', sans-serif;
    font-weight: 700;
}

.container {
    max-width: 1100px;
    margin: 0 auto;
    padding: 0 2rem;
}

/* Navbar */
.navbar {
    position: fixed;
    top: 0;
    width: 100%;
    z-index: 1000;
    background: #ffffff;
    border-bottom: 1px solid var(--border);
    padding: 1rem 0;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
}

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

.logo {
    font-size: 1.5rem;
    text-decoration: none;
    color: var(--text);
}

.logo span {
    color: var(--primary-vivid);
}

.nav-links {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-links a {
    text-decoration: none;
    color: var(--text);
    font-weight: 500;
    font-size: 0.95rem;
    transition: color 0.3s;
}

.nav-links a:hover {
    color: var(--primary-vivid);
}

.btn-campus {
    background: var(--primary-light);
    color: var(--text) !important;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
}

/* Hero Section */
.hero {
    padding: 12rem 0 8rem;
    text-align: center;
}

.hero h1 {
    font-size: 4rem;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    letter-spacing: -1px;
}

.hero h1 span {
    color: var(--primary-vivid);
}

.hero p {
    font-size: 1.2rem;
    color: var(--text-muted);
    max-width: 700px;
    margin: 0 auto 2.5rem;
}

.hero-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-main {
    background: var(--primary-vivid);
    color: #fff;
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    transition: transform 0.2s, opacity 0.2s;
}

.btn-main:hover {
    transform: translateY(-2px);
    opacity: 0.9;
}

.btn-secondary {
    border: 1px solid var(--border);
    color: var(--text);
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: background 0.2s;
}

.btn-secondary:hover {
    background: #f9f9f9;
}

/* About / Sections */
section {
    padding: 6rem 0;
}

.section-title {
    font-size: 2.2rem;
    margin-bottom: 3rem;
    text-align: center;
}

.grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-image img {
    width: 100%;
    border-radius: 20px;
    box-shadow: var(--shadow);
}

.badge {
    color: var(--primary-vivid);
    font-weight: 700;
    font-size: 0.8rem;
    text-transform: uppercase;
    letter-spacing: 1px;
    display: block;
    margin-bottom: 0.5rem;
}

.about-text h2 {
    font-size: 2.5rem;
    margin-bottom: 0.5rem;
}

.about-text h3 {
    font-size: 1.1rem;
    color: var(--text-muted);
    font-weight: 400;
    margin-bottom: 1.5rem;
}

.stats {
    display: flex;
    gap: 3rem;
    margin-top: 2rem;
}

.stat-item h4 {
    font-size: 2rem;
    color: var(--primary-vivid);
}

/* Skills Cards */
.skills-impact {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 2rem;
    margin-top: 4rem;
}

.impact-card,
.skills-card {
    background: #fdfdfd;
    padding: 2.5rem;
    border-radius: 16px;
    border: 1px solid var(--border);
}

.impact-card h4,
.skills-card h4 {
    margin-bottom: 1.5rem;
    color: var(--primary-dark);
}

.impact-card ul {
    list-style: none;
}

.impact-card li {
    margin-bottom: 0.8rem;
    padding-left: 1.5rem;
    position: relative;
}

.impact-card li::before {
    content: "•";
    color: var(--primary-vivid);
    position: absolute;
    left: 0;
    font-weight: bold;
}

.skill-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.skill-tags span {
    background: #fff;
    border: 1px solid var(--border);
    padding: 0.4rem 0.8rem;
    border-radius: 4px;
    font-size: 0.85rem;
}

/* Timeline */
.experience {
    background-color: #fcfcfc;
}

.experience-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 3rem;
}

.timeline {
    border-left: 2px solid var(--primary-light);
    padding-left: 2rem;
}

.timeline-item {
    margin-bottom: 2.5rem;
    position: relative;
}

.timeline-item::before {
    content: "";
    position: absolute;
    left: -2.7rem;
    top: 0.4rem;
    width: 1rem;
    height: 1rem;
    background: #fff;
    border: 2px solid var(--primary-vivid);
    border-radius: 50%;
}

.timeline-item .date {
    font-size: 0.85rem;
    color: var(--primary-dark);
    font-weight: 600;
}

.timeline-item h4 {
    margin-bottom: 0.2rem;
}

.timeline-item p {
    color: var(--text-muted);
    font-size: 0.95rem;
}

/* Services */
.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
}

.service-card {
    padding: 3rem 2rem;
    border-radius: 16px;
    background: #fff;
    border: 1px solid var(--border);
    text-align: center;
    transition: transform 0.3s;
}

.service-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-vivid);
}

.icon-box {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

/* Contact */
.contact {
    text-align: center;
}

.contact-box {
    max-width: 600px;
    margin: 0 auto;
}

.btn-whatsapp {
    background: #25D366;
    color: #fff;
    text-decoration: none;
    padding: 1.2rem 2.5rem;
    border-radius: 8px;
    font-weight: 700;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    margin-top: 2rem;
    transition: opacity 0.2s;
}

.btn-whatsapp:hover {
    opacity: 0.9;
}

footer {
    padding: 3rem 0;
    border-top: 1px solid var(--border);
    text-align: center;
    color: var(--text-muted);
}

/* Responsive */
@media (max-width: 968px) {

    .grid,
    .experience-grid,
    .services-grid,
    .skills-impact {
        grid-template-columns: 1fr;
    }

    .hero h1 {
        font-size: 3rem;
    }

    .nav-links {
        display: none;
    }
}