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

:root {
    --amber: #d4922a;
    --navy: #1e2a3a;
    --dark: #1a1a2e;
    --text: #333;
    --text-light: #666;
    --bg: #fafafa;
    --white: #ffffff;
    --border: #e0e0e0;
}

html {
    scroll-behavior: smooth;
}

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

/* ========== Hero Section ========== */
#hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 60px 80px;
    background: linear-gradient(135deg, #fafafa 0%, #f0f0f0 100%);
    position: relative;
}

.hero-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    max-width: 1200px;
    width: 100%;
    gap: 60px;
}

.hero-text {
    flex: 1;
}

.hero-text h1 {
    font-size: 4.5rem;
    font-weight: 800;
    line-height: 1.1;
    margin-bottom: 24px;
    color: var(--dark);
}

.hero-text h1 .highlight {
    color: var(--amber);
}

.subtitle {
    font-size: 1.25rem;
    color: var(--text-light);
    margin-bottom: 40px;
    max-width: 480px;
    line-height: 1.7;
}

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

.hero-image {
    flex-shrink: 0;
}

.image-circle {
    width: 420px;
    height: 420px;
    border-radius: 50%;
    overflow: hidden;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.15);
}

.image-circle img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.scroll-arrow {
    position: absolute;
    bottom: 40px;
    color: #aaa;
    text-decoration: none;
    animation: bounce 2s ease infinite;
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateY(0); }
    40% { transform: translateY(-10px); }
    60% { transform: translateY(-5px); }
}

/* ========== Buttons ========== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 36px;
    border-radius: 50px;
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
    font-family: inherit;
}

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

.btn-primary:hover {
    background: #2a3d52;
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(30, 42, 58, 0.3);
}

.btn-secondary {
    background: transparent;
    color: var(--text);
    border: 1.5px solid var(--border);
}

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

.btn-full {
    width: 100%;
}

/* ========== Sections ========== */
#about, #contact {
    padding: 100px 80px;
}

.section-container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.8rem;
    font-weight: 800;
    text-align: center;
    color: var(--dark);
    margin-bottom: 16px;
}

.section-divider {
    width: 60px;
    height: 4px;
    background: var(--amber);
    margin: 0 auto 40px;
    border-radius: 2px;
}

/* ========== About Section ========== */
.about-description {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-light);
    max-width: 750px;
    margin: 0 auto 60px;
    line-height: 1.8;
}

.cards-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.card {
    background: var(--white);
    border: 1px solid #eee;
    border-radius: 16px;
    padding: 36px;
    transition: all 0.3s ease;
}

.card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.card-icon {
    width: 56px;
    height: 56px;
    background: var(--navy);
    border-radius: 14px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    color: var(--amber);
}

.card h3 {
    font-size: 1.25rem;
    font-weight: 700;
    margin-bottom: 10px;
    color: var(--dark);
}

.card p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
}

/* ========== Projects Section ========== */
#projects {
    padding: 100px 80px;
}

.projects-description {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 50px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
}

.project-card {
    background: var(--white);
    border: 1px solid #eee;
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.project-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.08);
}

.project-image {
    width: 100%;
    aspect-ratio: 16 / 10;
    overflow: hidden;
}

.project-image img,
.project-image svg {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
    transition: transform 0.4s ease;
}

.project-card:hover .project-image img,
.project-card:hover .project-image svg {
    transform: scale(1.03);
}

.project-info {
    padding: 28px;
}

.project-info h3 {
    font-size: 1.35rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 10px;
}

.project-subtitle {
    font-weight: 600;
    color: var(--dark) !important;
    font-size: 1rem !important;
    margin-bottom: 10px !important;
}

.project-info p {
    color: var(--text-light);
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 16px;
}

.project-tags {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.tag {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid #e0e0e0;
    color: var(--text-light);
}

/* ========== Contact Section ========== */
#contact {
    background: linear-gradient(135deg, #f5f5f5 0%, #ececec 100%);
}

.contact-description {
    text-align: center;
    font-size: 1.15rem;
    color: var(--text-light);
    margin-bottom: 30px;
}

.contact-links {
    display: flex;
    justify-content: center;
    gap: 32px;
    margin-bottom: 40px;
}

.contact-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    color: var(--navy);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: var(--amber);
}

.contact-form {
    max-width: 650px;
    margin: 0 auto;
    background: var(--white);
    padding: 48px;
    border-radius: 20px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
}

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

.form-group label {
    display: block;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--dark);
    font-size: 0.95rem;
}

.form-group input,
.form-group textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1.5px solid var(--border);
    border-radius: 12px;
    font-size: 1rem;
    font-family: inherit;
    color: var(--text);
    background: var(--white);
    transition: border-color 0.3s ease;
    outline: none;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
    color: #bbb;
}

.form-group input:focus,
.form-group textarea:focus {
    border-color: var(--amber);
}

.form-group textarea {
    resize: vertical;
}

.contact-form .btn-primary {
    margin-top: 8px;
    padding: 18px;
    font-size: 1.05rem;
}

/* ========== Footer ========== */
footer {
    text-align: center;
    padding: 30px;
    color: var(--text-light);
    font-size: 0.9rem;
}

/* ========== Animations ========== */
.animate-in {
    opacity: 0;
    transform: translateY(30px);
    animation: fadeUp 0.8s ease forwards;
}

.delay-1 { animation-delay: 0.2s; }
.delay-2 { animation-delay: 0.4s; }
.delay-3 { animation-delay: 0.6s; }

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

.scroll-reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: all 0.7s ease;
}

.scroll-reveal.visible {
    opacity: 1;
    transform: translateY(0);
}

/* ========== Responsive ========== */
@media (max-width: 900px) {
    #hero {
        padding: 40px 30px;
    }

    .hero-content {
        flex-direction: column;
        text-align: center;
    }

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

    .subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    .hero-buttons {
        justify-content: center;
    }

    .image-circle {
        width: 280px;
        height: 280px;
    }

    #about, #projects, #contact {
        padding: 60px 30px;
    }

    .projects-grid {
        grid-template-columns: 1fr;
    }

    .cards-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .section-title {
        font-size: 2.2rem;
    }

    .contact-form {
        padding: 30px;
    }
}