/* ==========================================
   PT. Rajawali Terbang Tinggi Indonesia
   Main Stylesheet
========================================== */

:root{

--primary:#0B1F4D;
--secondary:#2563EB;
--accent:#3B82F6;

--text:#334155;
--light:#64748B;

--bg:#FFFFFF;
--section:#F8FAFC;

--border:#E2E8F0;

--radius:16px;

--shadow:
0 10px 35px rgba(15,23,42,.08);

--transition:.35s ease;

}

*{

margin:0;
padding:0;
box-sizing:border-box;

}

html{

scroll-behavior:smooth;

}

body{

font-family:'Inter',sans-serif;

background:white;

color:var(--text);

line-height:1.8;

overflow-x:hidden;

}

img{

max-width:100%;
display:block;

}

a{

text-decoration:none;

color:inherit;

}

ul{

list-style:none;

}

.container{

width:min(1180px,92%);
margin:auto;

}

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

header{

position:fixed;

top:0;
left:0;

width:100%;

z-index:999;

background:rgba(255,255,255,.92);

backdrop-filter:blur(12px);

border-bottom:1px solid rgba(0,0,0,.05);

transition:.3s;

}

.navbar{

display:flex;

justify-content:space-between;

align-items:center;

height:78px;

}

.brand{

display:flex;

align-items:center;

gap:14px;

font-family:Poppins,sans-serif;

font-size:22px;

font-weight:700;

color:var(--primary);

}

.brand img{

height:46px;

}

nav{

display:flex;

gap:36px;

}

nav a{

font-weight:500;

position:relative;

transition:.25s;

}

nav a:hover{

color:var(--secondary);

}

nav a::after{

content:"";

position:absolute;

left:0;

bottom:-8px;

width:0;

height:2px;

background:var(--secondary);

transition:.3s;

}

nav a:hover::after{

width:100%;

}

.menu-btn{

display:none;

font-size:26px;

cursor:pointer;

color:var(--primary);

}

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

#hero{

min-height:100vh;

display:flex;

align-items:center;

position:relative;

overflow:hidden;

padding-top:90px;

}

.hero-bg{

position:absolute;

top:-120px;
right:-120px;

width:520px;

height:520px;

background:

radial-gradient(circle,
rgba(37,99,235,.08),
transparent 70%);

border-radius:50%;

}

.hero-container{

text-align:center;

position:relative;

z-index:2;

}

.hero-logo{

width:340px;

margin:auto;

margin-bottom:35px;

}

#hero h1{

font-family:Poppins,sans-serif;

font-size:54px;

line-height:1.2;

font-weight:700;

color:var(--primary);

margin-bottom:24px;

}

#hero p{

max-width:760px;

margin:auto;

font-size:20px;

color:var(--light);

margin-bottom:45px;

}

.btn{

display:inline-block;

padding:16px 36px;

background:

linear-gradient(
135deg,
var(--secondary),
var(--primary));

color:white;

border-radius:40px;

font-weight:600;

transition:.35s;

box-shadow:

0 12px 30px rgba(37,99,235,.25);

}

.btn:hover{

transform:translateY(-4px);

box-shadow:

0 18px 40px rgba(37,99,235,.35);

}

/* ==========================
SECTIONS
========================== */

section{

padding:110px 0;

}

.section-title{

text-align:center;

margin-bottom:70px;

}

.section-title img{

width:220px;

margin:auto;

margin-bottom:28px;

}

.section-title h2{

font-family:Poppins,sans-serif;

font-size:40px;

color:var(--primary);

margin-bottom:18px;

}

.section-title p{

max-width:720px;

margin:auto;

color:var(--light);

font-size:18px;

}

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

#about{

background:var(--section);

}

.about-grid{

display:grid;

grid-template-columns:1fr 1.2fr;

gap:70px;

align-items:center;

}

#about h2{

font-family:Poppins,sans-serif;

font-size:42px;

line-height:1.25;

color:var(--primary);

}

#about p{

font-size:18px;

margin-bottom:22px;

color:var(--text);

}

/* ==========================================
SERVICES
========================================== */

.cards{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:34px;

}

.card{

background:white;

border:1px solid var(--border);

border-radius:var(--radius);

padding:40px;

transition:var(--transition);

box-shadow:var(--shadow);

position:relative;

overflow:hidden;

}

.card::before{

content:"";

position:absolute;

left:0;

top:0;

width:5px;

height:100%;

background:linear-gradient(
180deg,
var(--secondary),
var(--primary));

transform:scaleY(0);

transform-origin:top;

transition:.4s;

}

.card:hover{

transform:translateY(-8px);

}

.card:hover::before{

transform:scaleY(1);

}

.icon{

width:72px;

height:72px;

border-radius:18px;

display:flex;

align-items:center;

justify-content:center;

background:#EFF6FF;

font-size:30px;

color:var(--secondary);

margin-bottom:28px;

}

.card h3{

font-family:Poppins,sans-serif;

font-size:26px;

margin-bottom:22px;

color:var(--primary);

}

.card ul{

padding-left:18px;

}

.card li{

position:relative;

padding-left:18px;

margin-bottom:12px;

font-size:17px;

color:var(--text);

}

.card li::before{

content:"";

position:absolute;

left:0;

top:12px;

width:7px;

height:7px;

border-radius:50%;

background:var(--secondary);

}

/* ==========================================
APPROACH
========================================== */

#approach{

background:var(--section);

}

.timeline{

display:grid;

grid-template-columns:repeat(5,1fr);

gap:24px;

position:relative;

}

.timeline::before{

content:"";

position:absolute;

left:8%;

right:8%;

top:34px;

height:3px;

background:var(--border);

z-index:0;

}

.timeline div{

position:relative;

text-align:center;

z-index:2;

}

.timeline span{

display:flex;

align-items:center;

justify-content:center;

margin:auto;

width:68px;

height:68px;

border-radius:50%;

background:linear-gradient(
135deg,
var(--secondary),
var(--primary));

color:white;

font-weight:700;

font-size:22px;

margin-bottom:24px;

box-shadow:

0 10px 25px rgba(37,99,235,.25);

}

.timeline h3{

font-family:Poppins,sans-serif;

font-size:22px;

margin-bottom:12px;

color:var(--primary);

}

.timeline p{

font-size:16px;

color:var(--light);

}

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

#contact{

text-align:center;

}

.contact{

max-width:900px;

}

.contact h2{

font-family:Poppins,sans-serif;

font-size:42px;

color:var(--primary);

margin-bottom:18px;

}

.contact>p{

font-size:19px;

color:var(--light);

margin-bottom:60px;

}

.contact-box{

display:grid;

grid-template-columns:repeat(2,1fr);

gap:30px;

margin-bottom:50px;

}

.contact-box div{

background:white;

border:1px solid var(--border);

border-radius:var(--radius);

padding:35px;

box-shadow:var(--shadow);

transition:.3s;

}

.contact-box div:hover{

transform:translateY(-6px);

}

.contact-box i{

font-size:34px;

color:var(--secondary);

margin-bottom:20px;

}

.contact-box h3{

font-family:Poppins,sans-serif;

margin-bottom:10px;

color:var(--primary);

}

.contact-box p{

font-size:17px;

color:var(--text);

}

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

footer{

background:var(--primary);

color:white;

text-align:center;

padding:70px 0;

}

.footer-logo{

width:90px;

margin:auto;

margin-bottom:24px;

filter:brightness(100);

}

footer p{

opacity:.92;

margin:8px 0;

}

/* ==========================================
SCROLL ANIMATION
========================================== */

.reveal{

opacity:0;

transform:translateY(50px);

transition:

opacity .8s ease,

transform .8s ease;

}

.reveal.active{

opacity:1;

transform:translateY(0);

}

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

@media(max-width:992px){

.about-grid{

grid-template-columns:1fr;

text-align:center;

}

.cards{

grid-template-columns:1fr;

}

.timeline{

grid-template-columns:1fr;

gap:50px;

}

.timeline::before{

display:none;

}

.contact-box{

grid-template-columns:1fr;

}

#hero h1{

font-size:42px;

}

.hero-logo{

width:260px;

}

.section-title h2{

font-size:34px;

}

#about h2{

font-size:36px;

}

.contact h2{

font-size:36px;

}

}

@media(max-width:768px){

nav{

position:fixed;

top:78px;

right:-100%;

width:260px;

height:calc(100vh - 78px);

background:white;

display:flex;

flex-direction:column;

padding:40px;

gap:28px;

box-shadow:-10px 0 30px rgba(0,0,0,.08);

transition:.35s;

}

nav.show{

right:0;

}

.menu-btn{

display:block;

}

#hero{

padding-top:120px;

}

#hero h1{

font-size:34px;

}

#hero p{

font-size:18px;

}

.btn{

padding:14px 30px;

}

section{

padding:90px 0;

}

.brand span{

display:none;

}

}

/* Active Navigation */

nav a.active{

color:var(--secondary);

}

nav a.active::after{

width:100%;

}

/* Better Button Animation */

.btn:active{

transform:scale(.97);

}

/* Hero Transition */

#hero{

transition:opacity .2s linear;

}

.google-form{

background:white;

padding:18px;

border-radius:20px;

box-shadow:

0 15px 40px rgba(15,23,42,.08);

border:1px solid #E2E8F0;

}

.google-form iframe{

width:100%;

border:none;

border-radius:16px;

}

#contactForm{

background:white;

padding:50px;

border-radius:22px;

box-shadow:0 20px 45px rgba(15,23,42,.08);

margin-top:50px;

}

.form-grid{

display:grid;

grid-template-columns:1fr 1fr;

gap:25px;

}

.full{

grid-column:1 / -1;

}

.input-group{

display:flex;

flex-direction:column;

}

.input-group label{

font-weight:600;

margin-bottom:10px;

color:#0B1F4D;

}

.input-group input,
.input-group select,
.input-group textarea{

padding:15px;

border:1px solid #CBD5E1;

border-radius:12px;

font-size:16px;

font-family:Inter;

transition:.3s;

}

.input-group input:focus,
.input-group select:focus,
.input-group textarea:focus{

outline:none;

border-color:#2563EB;

box-shadow:0 0 0 3px rgba(37,99,235,.15);

}

textarea{

resize:vertical;

}

#responseMessage{

margin-top:25px;

font-weight:600;

}

@media(max-width:768px){

.form-grid{

grid-template-columns:1fr;

}

}

.input-group input,
.input-group textarea{

    width:100%;

    padding:16px 18px;

    font-size:16px;

    font-family:Inter,sans-serif;

    border:1px solid #CBD5E1;

    border-radius:14px;

    background:#FFFFFF;

    transition:all .25s ease;

}

.input-group input:focus,
.input-group textarea:focus{

    outline:none;

    border-color:#2563EB;

    box-shadow:0 0 0 4px rgba(37,99,235,.12);

}

textarea{

    min-height:180px;

    resize:vertical;

}