/* ===== Variables ===== */
:root {
    --midnight-blue: #2F2F4F;
    --neutral-gray: #8A8F8D;
    --jet-black: #2D2D2D;
    --white: #ffffff;
    --light-bg: #f5f5f7;
    --light-gray: #e8e8ea;
    --font: 'Outfit', sans-serif;
}

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

html {
    scroll-behavior: smooth;
    scroll-padding-top: 80px;
}

body {
    font-family: var(--font);
    color: var(--jet-black);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ===== Buttons ===== */
.btn {
    display: inline-block;
    padding: 14px 32px;
    border-radius: 8px;
    font-family: var(--font);
    font-size: 0.95rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: none;
}

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

.btn-primary:hover {
    background: #3d3d6b;
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(47, 47, 79, 0.3);
}

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

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

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

.btn-white:hover {
    background: var(--light-bg);
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.2);
}

.btn-nav {
    padding: 10px 24px;
    background: var(--midnight-blue);
    color: var(--white);
    border-radius: 6px;
}

.btn-nav:hover {
    background: #3d3d6b;
}

/* ===== Header ===== */
.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    padding: 16px 0;
    transition: all 0.3s ease;
    background: rgba(255,255,255,0.95);
    backdrop-filter: blur(10px);
}

.header.scrolled {
    padding: 10px 0;
    box-shadow: 0 2px 20px rgba(0,0,0,0.08);
}

.header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

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

.logo-text {
    display: flex;
    flex-direction: column;
    line-height: 1.1;
}

.logo-name {
    font-size: 1.25rem;
    font-weight: 700;
    color: var(--midnight-blue);
}

.logo-sub {
    font-size: 0.8rem;
    font-weight: 500;
    color: var(--neutral-gray);
    letter-spacing: 0.5px;
}

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

.nav-list a {
    font-size: 0.9rem;
    font-weight: 500;
    color: var(--jet-black);
    transition: color 0.2s;
}

.nav-list a:hover {
    color: var(--midnight-blue);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 4px;
}

.hamburger span {
    display: block;
    width: 24px;
    height: 2px;
    background: var(--jet-black);
    border-radius: 2px;
    transition: all 0.3s ease;
}

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

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

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

/* ===== Hero ===== */
.hero {
    position: relative;
    min-height: 100vh;
    display: flex;
    align-items: center;
    background: linear-gradient(135deg, var(--midnight-blue) 0%, #1a1a35 100%);
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-image: url('https://images.unsplash.com/photo-1541888946425-d81bb19240f5?w=1600&h=900&fit=crop');
    background-size: cover;
    background-position: center;
    opacity: 0.15;
}

.hero-content {
    position: relative;
    z-index: 2;
    max-width: 700px;
    padding: 120px 24px;
}

.hero h1 {
    font-size: clamp(2.5rem, 5vw, 3.8rem);
    font-weight: 700;
    color: var(--white);
    line-height: 1.15;
    margin-bottom: 24px;
}

.highlight {
    color: #a8a8d0;
}

.hero p {
    font-size: 1.15rem;
    color: rgba(255,255,255,0.8);
    margin-bottom: 40px;
    line-height: 1.7;
}

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

/* ===== Sections ===== */
.section {
    padding: 100px 0;
}

.section-header {
    text-align: center;
    margin-bottom: 64px;
}

.section-tag {
    display: inline-block;
    font-size: 0.8rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: var(--midnight-blue);
    margin-bottom: 16px;
    padding: 6px 16px;
    background: rgba(47, 47, 79, 0.08);
    border-radius: 20px;
}

.section-header h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    font-weight: 700;
    color: var(--jet-black);
    max-width: 600px;
    margin: 0 auto;
}

/* ===== About ===== */
.about {
    background: var(--white);
}

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

.about-text p {
    color: #555;
    margin-bottom: 20px;
    font-size: 1rem;
    line-height: 1.8;
}

.about-stats {
    display: flex;
    gap: 40px;
    margin-top: 40px;
    padding-top: 32px;
    border-top: 1px solid var(--light-gray);
}

.stat-number {
    display: block;
    font-size: 2rem;
    font-weight: 700;
    color: var(--midnight-blue);
}

.stat-label {
    font-size: 0.85rem;
    color: var(--neutral-gray);
}

.about-image img {
    border-radius: 16px;
    width: 100%;
    height: 400px;
    object-fit: cover;
    box-shadow: 0 20px 60px rgba(0,0,0,0.1);
}

/* ===== Services ===== */
.services {
    background: var(--light-bg);
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}

.service-card {
    background: var(--white);
    padding: 40px 28px;
    border-radius: 16px;
    transition: all 0.3s ease;
    border: 1px solid transparent;
}

.service-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 20px 60px rgba(47, 47, 79, 0.1);
    border-color: rgba(47, 47, 79, 0.1);
}

.service-icon {
    width: 64px;
    height: 64px;
    background: rgba(47, 47, 79, 0.06);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.service-card h3 {
    font-size: 1.1rem;
    font-weight: 600;
    color: var(--jet-black);
    margin-bottom: 12px;
}

.service-card p {
    font-size: 0.9rem;
    color: var(--neutral-gray);
    line-height: 1.7;
}

/* ===== Projects ===== */
.projects {
    background: var(--white);
}


/* ===== Team ===== */
.team {
    background: var(--light-bg);
}


/* ===== CTA ===== */
.cta {
    background: linear-gradient(135deg, var(--midnight-blue) 0%, #1a1a35 100%);
    padding: 100px 0;
    text-align: center;
}

.cta h2 {
    font-size: clamp(1.8rem, 3.5vw, 2.5rem);
    color: var(--white);
    margin-bottom: 20px;
}

.cta p {
    color: rgba(255,255,255,0.7);
    font-size: 1.1rem;
    max-width: 500px;
    margin: 0 auto 40px;
}

/* ===== Contact ===== */
.contact {
    background: var(--white);
}

.contact-grid {
    display: grid;
    grid-template-columns: 1fr 1.2fr;
    gap: 64px;
    align-items: start;
}

.contact-item {
    display: flex;
    gap: 16px;
    align-items: flex-start;
    margin-bottom: 32px;
}

.contact-item h4 {
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--jet-black);
    margin-bottom: 4px;
}

.contact-item p {
    font-size: 0.9rem;
    color: var(--neutral-gray);
}

.contact-form {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.contact-form input,
.contact-form textarea {
    width: 100%;
    padding: 14px 18px;
    border: 1px solid var(--light-gray);
    border-radius: 10px;
    font-family: var(--font);
    font-size: 0.9rem;
    color: var(--jet-black);
    transition: border-color 0.2s;
    background: var(--light-bg);
}

.contact-form input:focus,
.contact-form textarea:focus {
    outline: none;
    border-color: var(--midnight-blue);
    background: var(--white);
}

.contact-form textarea {
    resize: vertical;
}

.contact-form .btn {
    align-self: flex-start;
}

/* ===== Footer ===== */
.footer {
    background: var(--jet-black);
    padding: 64px 0 0;
    color: rgba(255,255,255,0.7);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 48px;
}

.footer-desc {
    margin-top: 16px;
    font-size: 0.9rem;
    line-height: 1.7;
    color: rgba(255,255,255,0.5);
}

.footer-links h4 {
    color: var(--white);
    font-size: 0.95rem;
    font-weight: 600;
    margin-bottom: 20px;
}

.footer-links li {
    margin-bottom: 10px;
}

.footer-links a {
    font-size: 0.9rem;
    color: rgba(255,255,255,0.5);
    transition: color 0.2s;
}

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

.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.1);
    padding: 24px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.4);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .services-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}

@media (max-width: 768px) {
    .hamburger {
        display: flex;
    }

    .nav-list {
        position: fixed;
        top: 0;
        right: -100%;
        width: 280px;
        height: 100vh;
        background: var(--white);
        flex-direction: column;
        padding: 80px 32px;
        gap: 24px;
        transition: right 0.3s ease;
        box-shadow: -4px 0 20px rgba(0,0,0,0.1);
    }

    .nav-list.active {
        right: 0;
    }

    .hero-content {
        padding: 140px 24px 80px;
    }

    .about-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .about-stats {
        gap: 24px;
    }

    .contact-grid {
        grid-template-columns: 1fr;
        gap: 40px;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

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