/*==============================
  VARIABLES
==============================*/

:root {
    --blue: #0D2B52;
    --blue-light: #1D457C;
    --green: #74B843;
    --turquoise: #67B6BD;
    --white: #fff;
    --light: #F6F8FB;
    --gray: #6D7886;
    --dark: #10253F;
    --shadow: 0 15px 45px rgba(0, 0, 0, .08);
    --radius: 18px;
}

/*==============================
  RESET
==============================*/

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    background: #fff;
    color: var(--dark);
    line-height: 1.7;
    overflow-x: hidden;
}

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

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

ul {
    list-style: none;
}

/*==============================
  LAYOUT
==============================*/

.container {
    width: min(1180px, 92%);
    margin: auto;
}

section {
    padding: 110px 0;
}

/*==============================
  TYPOGRAPHY
==============================*/

h1 {
    font-size: 68px;
    font-weight: 800;
    line-height: 1.08;
    margin-bottom: 30px;
    color: var(--blue);
}

h2 {
    font-size: 46px;
    font-weight: 700;
    line-height: 1.2;
    margin-bottom: 25px;
    color: var(--blue);
}

h3 {
    font-size: 26px;
    line-height: 1.3;
    margin-bottom: 18px;
    color: var(--blue);
}

p {
    font-size: 18px;
    line-height: 1.8;
    color: var(--gray);
}

.section-tag {
    display: inline-block;
    margin-bottom: 25px;
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 4px;
    text-transform: uppercase;
    color: var(--green);
}

.section-title {
    text-align: center;
    margin-bottom: 40px;
}

/*==============================
  HEADER
==============================*/

header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, .96);
    backdrop-filter: blur(12px);
    box-shadow: 0 8px 30px rgba(0, 0, 0, .06);
}

nav {
    height: 90px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

nav ul {
    display: flex;
    gap: 42px;
}

nav a {
    font-weight: 600;
    transition: .25s;
}

nav a:hover {
    color: var(--turquoise);
}

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

.logo img {
    height: 64px;
    width: auto;
    transition: .25s;
}

.logo img:hover {
    transform: scale(1.03);
}

/*==============================
  BUTTONS
==============================*/

.button {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 34px;
    background: var(--blue);
    color: #fff;
    border-radius: 999px;
    font-weight: 700;
    transition: .3s;
    box-shadow: var(--shadow);
}

.button:hover {
    background: var(--blue-light);
    transform: translateY(-3px);
}

.button-outline {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 16px 34px;
    border: 2px solid var(--blue);
    border-radius: 999px;
    font-weight: 700;
    color: var(--blue);
    transition: .3s;
}

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

/*==============================
  HOME HERO
==============================*/

.hero {
    position: relative;
    padding: 100px 0 120px;
    overflow: hidden;
    isolation: isolate;
    background:
        url("./images/navigation.svg") center/cover no-repeat,
        radial-gradient(circle at 15% 20%, rgba(103, 182, 189, .14), transparent 30%),
        radial-gradient(circle at 90% 80%, rgba(116, 184, 67, .10), transparent 30%),
        linear-gradient(180deg, #fff, #f4f9fc);
}

.hero-grid {
    display: grid;
    grid-template-columns: 1.25fr .75fr;
    gap: 70px;
    align-items: center;
    position: relative;
    z-index: 2;
}

.hero-text {
    max-width: 700px;
    margin-bottom: 42px;
    font-size: 20px;
}

.hero-buttons {
    display: flex;
    gap: 18px;
    flex-wrap: wrap;
}

.hero-card {
    background: #fff;
    padding: 50px;
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    border-top: 6px solid var(--green);
}

.hero-card h3 {
    font-size: 34px;
    margin-bottom: 20px;
}

.hero-feature {
    display: flex;
    gap: 18px;
    margin-top: 26px;
    align-items: flex-start;
}

.hero-feature span {
    font-size: 34px;
    width: 46px;
    flex-shrink: 0;
}

.hero-feature h4 {
    font-size: 20px;
    margin-bottom: 6px;
    color: var(--blue);
}

.hero-feature p {
    font-size: 16px;
    line-height: 1.6;
}

/*==============================
  HERO PARTICLES
==============================*/

.hero-particles {
    position: absolute;
    inset: 0;
    overflow: hidden;
    pointer-events: none;
    z-index: 1;
}

.particle {
    position: absolute;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: #74D8E8;
    box-shadow:
        0 0 6px rgba(116, 216, 232, .7),
        0 0 14px rgba(116, 216, 232, .35);
}

.p1 {
    left: -3%;
    top: 73%;
    animation: move1 8s linear infinite;
}

.p2 {
    left: 58%;
    top: 58%;
    animation: move2 10s linear infinite;
}

.p3 {
    left: 28%;
    top: 28%;
    animation: move3 12s linear infinite;
}

@keyframes move1 {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(1200px, -520px);
    }
}

@keyframes move2 {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(800px, 260px);
    }
}

@keyframes move3 {
    from {
        transform: translate(0, 0);
    }

    to {
        transform: translate(420px, 380px);
    }
}

/*==================================================
  ABOUT
==================================================*/

.about {
    background: #fff;
}

.about-grid {
    display: grid;
    grid-template-columns: 1.1fr .9fr;
    gap: 70px;
    align-items: start;
}

.about-grid p {
    margin-bottom: 24px;
}

.stats {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
}

.stat-card {
    background: #fff;
    padding: 35px;
    border-radius: 18px;
    box-shadow: var(--shadow);
    transition: .3s;
}

.stat-card:hover {
    transform: translateY(-6px);
}

.stat-card h3 {
    font-size: 42px;
    margin-bottom: 12px;
}

.stat-card h4 {
    font-size: 22px;
    margin-bottom: 12px;
    color: var(--blue);
}

/*==================================================
  HOME TECHNOLOGY
==================================================*/

.technology {
    background: var(--light);
}

.technology-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 35px;
}

.tech-card {
    background: #fff;
    padding: 40px;
    border-radius: 20px;
    box-shadow: var(--shadow);
    transition: .35s;
}

.tech-card:hover {
    transform: translateY(-6px);
}

.icon {
    font-size: 54px;
    margin-bottom: 25px;
}

.tech-card h3 {
    margin-bottom: 20px;
}

/*==================================================
  PAGE HERO
==================================================*/

.page-hero {
    padding: 150px 0 80px;
    text-align: center;
    background: #fff;
}

.page-hero .container {
    max-width: 900px;
}

.page-hero h1 {
    font-size: 64px;
    line-height: 1.15;
    margin-bottom: 35px;
}

.page-hero p {
    max-width: 820px;
    margin: 0 auto;
    font-size: 24px;
    line-height: 1.8;
}

/*==================================================
  VISION PAGE
==================================================*/

.vision-content {
    padding: 60px 0 90px;
    text-align: center;
}

.vision-content .container {
    max-width: 900px;
}

.vision-content p {
    margin: 0 auto 24px;
    max-width: 900px;
}

/*==================================================
  ROADMAP PAGE
==================================================*/

.roadmap-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 40px;
}

.roadmap {
    padding-top: 20px;
}

.phase-card {
    background: #fff;
    border: 1px solid #eef3f8;
    border-radius: 20px;
    padding: 36px 30px;
    box-shadow: 0 15px 35px rgba(13, 43, 82, .07);
    transition: .3s;
    display: flex;
    flex-direction: column;
}

.phase-card:hover {
    transform: translateY(-6px);
}

.phase-card span {
    display: inline-block;
    margin-bottom: 18px;
    color: var(--green);
    font-size: 16px;
    font-weight: 700;
    letter-spacing: 3px;
    text-transform: uppercase;
}

.phase-card h3 {
    font-size: 26px;
    margin-bottom: 18px;
}

.phase-card p {
    font-size: 17px;
    line-height: 1.8;
}

/*==================================================
  CONTACT PAGE
==================================================*/

.contact-info {
    padding: 60px 0;
    text-align: center;
}

.contact-info .container {
    max-width: 900px;
}

.contact-info .section-description {
    max-width: 900px;
    margin: 0 auto;
    font-size: 20px;
    line-height: 1.8;
}

/*==================================================
  FOOTER
==================================================*/

.contact {
    background: #fff;
    border-top: 1px solid #e8eef5;
    padding: 70px 0;
}

.footer-content {
    display: grid;
    grid-template-columns: 1.4fr .9fr;
    gap: 80px;
    align-items: center;
}

.footer-left h2 {
    font-size: 56px;
    margin-bottom: 28px;
}

.footer-left p {
    max-width: 650px;
    font-size: 22px;
    margin-bottom: 35px;
}

.footer-right {
    text-align: center;
}

.footer-right img {
    width: 190px;
    margin: 0 auto 30px;
}

.footer-right h3 {
    margin-bottom: 10px;
}

.footer-contact {
    margin: 20px 0;
}

.footer-contact p {
    margin: 8px 0;
}

.footer-contact a {
    color: var(--blue);
    font-weight: 600;
    transition: .25s;
}

.footer-contact a:hover {
    color: var(--green);
}

.footer-note {
    margin: 18px 0;
    color: var(--gray);
}

.footer-copy {
    margin-top: 18px;
    font-size: 15px;
    color: #8a94a3;
}

/*==================================================
  GLOBAL ANIMATIONS
==================================================*/

.button,
.button-outline,
.tech-card,
.stat-card,
.phase-card {
    transition: all .3s ease;
}

.button:hover {
    transform: translateY(-3px);
}

/*==================================================
  RESPONSIVE
==================================================*/

@media (max-width:1100px) {

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

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

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

    .hero {
        text-align: center;
    }

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

    .footer-left,
    .footer-right {
        text-align: center;
    }

    .footer-left p {
        margin: 0 auto 35px;
    }

}

@media (max-width:768px) {

    section {
        padding: 80px 0;
    }

    nav {
        height: 80px;
    }

    nav ul {
        gap: 18px;
        font-size: 15px;
    }

    .logo img {
        height: 54px;
    }

    h1 {
        font-size: 46px;
    }

    h2 {
        font-size: 34px;
    }

    .page-hero h1 {
        font-size: 48px;
    }

    .page-hero p {
        font-size: 20px;
    }

    .hero-card,
    .tech-card,
    .stat-card,
    .phase-card {
        padding: 28px;
    }

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

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

    .footer-left h2 {
        font-size: 42px;
    }

    .footer-left p {
        font-size: 18px;
    }

}

@media (max-width:520px) {

    .container {
        width: 94%;
    }

    nav ul {
        display: none;
    }

    .button {
        padding: 14px 26px;
    }

    .hero {
        padding: 80px 0;
    }

    .page-hero {
        padding: 130px 0 70px;
    }

    .section-tag {
        letter-spacing: 3px;
        font-size: 13px;
    }

    h1 {
        font-size: 38px;
    }

    .page-hero h1 {
        font-size: 40px;
    }

    .page-hero p {
        font-size: 18px;
    }

    .footer-right img {
        width: 170px;
    }

}

nav a.active {
    color: var(--green);
}

/*==================================================
  END
==================================================*/