* {
box-sizing: border-box;
}

html {
scroll-behavior: smooth;
}

body {
margin: 0;
font-family: Arial, sans-serif;
color: #1b2a41;
background: #eef4fb;
overflow-x: hidden;
}

.container {
width: 100%;
max-width: 1100px;
margin: 0 auto;
padding: 0 20px;
}

/* NAV */
.navbar {
position: fixed;
top: 0;
left: 0;
width: 100%;
z-index: 1000;
background: rgba(8, 20, 48, 0.9);
padding: 18px 0;
}

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

.logo {
color: #fff;
font-size: 28px;
font-weight: 700;
}

.nav-links {
display: flex;
gap: 24px;
}

.nav-links a {
color: #fff;
text-decoration: none;
font-weight: 700;
font-size: 15px;
}

/* HERO */
.hero {
min-height: 100vh;
background: linear-gradient(rgba(0,0,0,0.58), rgba(0,0,0,0.58)),
url("images/hero.jpg") center/cover no-repeat;
color: #fff;
text-align: center;
padding: 140px 20px 90px;
display: flex;
align-items: center;
}

.hero-content {
width: 100%;
}

.top-text {
font-size: 15px;
letter-spacing: 4px;
font-weight: 700;
margin-bottom: 22px;
}

.hero h1 {
font-size: 56px;
line-height: 1.12;
max-width: 900px;
margin: 0 auto 24px;
}

.subtitle {
font-size: 22px;
line-height: 1.55;
max-width: 760px;
margin: 0 auto 34px;
}

.hero-buttons {
display: flex;
justify-content: center;
align-items: center;
gap: 16px;
}

.btn {
display: inline-block;
width: 260px;
max-width: 100%;
padding: 16px 24px;
text-align: center;
text-decoration: none;
border-radius: 12px;
font-weight: 700;
transition: 0.2s ease;
}

.btn-primary {
background: #ff6a13;
color: #fff;
}

.btn-secondary {
background: transparent;
color: #fff;
border: 3px solid #ff6a13;
}

/* SECTIONS */
.section {
padding: 80px 20px;
background: #fff;
}

.section.light {
background: #eef4fb;
}

.section h2 {
text-align: center;
font-size: 42px;
color: #12306b;
margin: 0 0 20px;
}

.section-text {
text-align: center;
max-width: 760px;
margin: 0 auto 45px;
font-size: 20px;
line-height: 1.55;
color: #4a5568;
}

/* CARDS */
.cards {
display: grid;
grid-template-columns: repeat(3, 1fr);
gap: 26px;
}

.card {
background: #fff;
border-radius: 22px;
padding: 34px 24px;
text-align: center;
box-shadow: 0 14px 35px rgba(0,0,0,0.08);
}

.card h3 {
color: #12306b;
font-size: 23px;
margin: 0 0 18px;
}

.card p {
color: #4a5568;
font-size: 17px;
line-height: 1.55;
margin: 0 0 12px;
}

/* ABOUT */
.avatar {
width: 200px !important;
height: 200px !important;
object-fit: cover;
object-position: center top;
border-radius: 50%;
display: block;
margin: 20px auto;
box-shadow: 0 8px 20px rgba(0,0,0,0.2);
border: 4px solid #fff;
}

/* CTA */
.cta-section {
background: #eef4fb;
}

.cta-box {
background: linear-gradient(135deg, #12306b, #1f3f8f);
color: #fff;
border-radius: 26px;
padding: 55px 30px;
text-align: center;
max-width: 900px;
margin: 0 auto;
}

.cta-box h2 {
color: #fff;
}

.cta-box p {
max-width: 650px;
margin: 0 auto 28px;
font-size: 20px;
line-height: 1.6;
}

/* CONTACT */
.contact-box {
background: #fff;
border-radius: 24px;
padding: 50px 30px;
box-shadow: 0 14px 35px rgba(0,0,0,0.08);
}

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

.contact-item h3 {
color: #12306b;
}

/* WHATSAPP */
.whatsapp-btn {
position: fixed;
right: 26px;
bottom: 26px;
width: 72px;
height: 72px;
background: #25d366;
border-radius: 50%;
display: flex;
align-items: center;
justify-content: center;
box-shadow: 0 12px 30px rgba(0,0,0,0.25);
z-index: 999;
}

.whatsapp-btn img {
width: 42px;
height: 42px;
}

/* FOOTER */
.footer {
background: #12306b;
color: #fff;
text-align: center;
padding: 24px 20px;
}

/* MOBILE */
@media (max-width: 768px) {
.navbar {
padding: 16px 0;
}

.nav-wrap {
flex-direction: column;
gap: 14px;
}

.logo {
font-size: 30px;
}

.nav-links {
width: 100%;
justify-content: center;
gap: 18px;
flex-wrap: nowrap;
}

.nav-links a {
font-size: 15px;
white-space: nowrap;
}

.hero {
min-height: auto;
padding: 170px 18px 75px;
}

.top-text {
font-size: 13px;
letter-spacing: 3px;
line-height: 1.8;
}

.hero h1 {
font-size: 42px;
line-height: 1.18;
}

.subtitle {
font-size: 21px;
}

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

.hero-buttons .btn {
width: 100%;
max-width: 300px;
}

.section {
padding: 65px 18px;
}

.section h2 {
font-size: 38px;
}

.section-text {
font-size: 21px;
}

.cards {
grid-template-columns: 1fr;
gap: 28px;
}

.card {
width: 100%;
padding: 38px 24px;
}

.card h3 {
font-size: 27px;
}

.card p {
font-size: 21px;
}

.cta-box {
padding: 45px 22px;
}

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

.whatsapp-btn {
width: 68px;
height: 68px;
right: 22px;
bottom: 22px;
}
}

@media (max-width: 390px) {
.nav-links {
gap: 12px;
}

.nav-links a {
font-size: 14px;
}

.hero h1 {
font-size: 38px;
}
}