/* Spark Influence — Style Sheet */
/* Colors: Black #181819 | Gold #caa42c | White #ffffff */
/* Font: Poppins (300,400,500,600,700) */

@import url('https://fonts.googleapis.com/css2?family=Poppins:wght@300;400;500;600;700&display=swap');

/* ─── Custom Properties ─── */
:root {
    --black: #000000;
    --charcoal: #0a0a0a;
    --dark-gray: #141414;
    --gold: #caa42c;
    --gold-hover: #d4b040;
    --gold-dark: #a88820;
    --white: #ffffff;
    --off-white: #f5f5f0;
    --font: 'Poppins', sans-serif;
    --max-width: 1200px;
    --transition: all 0.3s ease;
}

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

html{scroll-behavior:smooth}

body{
    font-family:var(--font);
    background:var(--black);
    color:var(--white);
    line-height:1.6;
    overflow-x:hidden;
    -webkit-font-smoothing:antialiased;
}

/* ─── Typography ─── */
h1{font-size:clamp(36px,6vw,64px);font-weight:700;line-height:1.15;margin-bottom:20px}
h2{font-size:clamp(28px,4vw,42px);font-weight:600;margin-bottom:16px}
h3{font-size:20px;font-weight:600;margin-bottom:8px}
p{font-size:16px;color:var(--white)}
a{color:var(--gold);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--gold-hover)}

/* ─── Focus States ─── */
:focus-visible{outline:2px solid var(--gold);outline-offset:2px;border-radius:2px}

/* ─── Reduced Motion ─── */
@media(prefers-reduced-motion:reduce){
    *,*::before,*::after{animation-duration:0.01ms!important;animation-iteration-count:1!important;transition-duration:0.01ms!important;scroll-behavior:auto!important}
}

/* ─── Layout ─── */
.container{max-width:var(--max-width);margin:0 auto;padding:0 24px}
section{padding:100px 0}

.section-label{display:inline-block;font-size:12px;font-weight:600;text-transform:uppercase;letter-spacing:2px;color:var(--gold);margin-bottom:12px}
.section-header{text-align:center;margin-bottom:60px}
.section-header p{max-width:600px;margin:0 auto}
.section-line{width:60px;height:2px;background:var(--gold);margin:20px auto 0}

/* ─── Buttons ─── */
.btn{
    padding:14px 36px;border-radius:5px;font-weight:600;font-size:15px;font-family:inherit;
    cursor:pointer;transition:var(--transition);text-decoration:none;display:inline-block;border:none;
}
.btn-gold{background:var(--gold);color:var(--black)}
.btn-gold:hover{background:#e6c84d;color:var(--black);transform:translateY(-2px);transition:background 0.2s,transform 0.2s}
.btn-lg{padding:18px 44px;font-size:17px;font-weight:700}
.btn-outline{border:2px solid var(--gold);color:var(--gold);background:transparent}
.btn-outline:hover{background:var(--gold);color:var(--black)}

/* ─── Header ─── */
header{
    position:fixed;top:0;width:100%;z-index:1000;
    background:rgba(0,0,0,0.95);backdrop-filter:blur(10px);
    border-bottom:1px solid rgba(255,255,255,0.15);
    transition:var(--transition);
}
header .container{display:flex;justify-content:space-between;align-items:center;padding:16px 24px}
.header-scrolled{box-shadow:0 2px 20px rgba(0,0,0,0.3)}
.logo{height:48px;width:auto}

.nav-links{display:flex;gap:28px;list-style:none}
.nav-links a{color:rgba(255,255,255,0.85);text-decoration:none;font-size:14px;font-weight:500;transition:color 0.2s;position:relative}
.nav-links a:hover{color:var(--gold)}
.nav-links a::after{
    content:'';position:absolute;bottom:-4px;left:0;width:0;height:2px;
    background:var(--gold);transition:width 0.3s ease;
}
.nav-links a:hover::after{width:100%}

.menu-toggle{display:none;background:none;border:none;color:var(--white);font-size:24px;cursor:pointer}

/* ─── Hero ─── */
.hero{min-height:100vh;display:flex;align-items:center;position:relative;overflow:hidden}
.hero::before{
    content:'';position:absolute;inset:0;
    background:radial-gradient(ellipse at top right,rgba(202,164,44,0.08),transparent 60%),
               radial-gradient(ellipse at bottom left,rgba(202,164,44,0.04),transparent 60%);
    z-index:0;
}
.hero .container{position:relative;z-index:1;display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.hero-content{max-width:560px}
.hero-content .section-label{margin-bottom:20px}
.hero-content h1 span{color:var(--gold)}
.hero-content p{font-size:18px;margin-bottom:32px;color:rgba(255,255,255,0.9)}
.hero-cta{display:flex;gap:16px;flex-wrap:wrap}
.hero-image img{width:100%;border-radius:12px;box-shadow:0 20px 60px rgba(0,0,0,0.4)}

/* ─── About ─── */
.about .container{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.about-image img{width:100%;border-radius:12px}
.about-text ul{list-style:none;margin-top:20px}
.about-text ul li{padding:8px 0;font-size:15px;color:var(--white);position:relative;padding-left:24px}
.about-text ul li::before{content:'▸';position:absolute;left:0;color:var(--gold)}

/* ─── Alternating Sections ─── */
.alt-light{background:var(--off-white)}
.alt-light,.alt-light p,.alt-light h2,.alt-light h3,.alt-light .section-label{color:var(--black)}
.alt-light .section-line{background:var(--black)}
.alt-light .service-card{background:var(--white);border-color:rgba(0,0,0,0.1);box-shadow:0 1px 4px rgba(0,0,0,0.06)}
.alt-light .service-card:hover{background:var(--white);box-shadow:0 8px 32px rgba(0,0,0,0.1)}
.alt-light .service-card p{color:rgba(0,0,0,0.7)}
.alt-light .step p{color:rgba(0,0,0,0.7)}
.alt-light .why-card{background:var(--white);border:1px solid rgba(0,0,0,0.08)}
.alt-light .why-card p{color:rgba(0,0,0,0.7)}
.alt-light .contact-form input,.alt-light .contact-form textarea{background:var(--white);color:var(--black);border-color:rgba(0,0,0,0.15)}
.alt-light .contact-form input:focus,.alt-light .contact-form textarea:focus{border-color:var(--black);box-shadow:0 0 0 3px rgba(0,0,0,0.08)}
.alt-light .contact-detail,.alt-light .contact-detail a{color:var(--black)}

/* ─── Services ─── */
.services-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.service-card{
    background:var(--charcoal);border-radius:10px;padding:36px 28px;
    transition:var(--transition);border:1px solid transparent;
}
.service-card:hover{border-color:var(--gold);transform:translateY(-4px);box-shadow:0 8px 32px rgba(0,0,0,0.3)}
.service-card img{width:100%;height:180px;object-fit:cover;border-radius:8px;margin-bottom:20px}
.service-card h3{margin-bottom:8px}
.service-card p{font-size:14px;color:rgba(255,255,255,0.8)}

/* ─── Approach ─── */
.approach-steps{display:grid;grid-template-columns:repeat(3,1fr);gap:0;max-width:760px;margin:0 auto}
.step{text-align:center;padding:40px 28px;position:relative}
.step-number{
    width:64px;height:64px;border-radius:50%;background:var(--gold);color:var(--black);
    font-size:28px;font-weight:700;display:flex;align-items:center;justify-content:center;margin:0 auto 20px;
}
.step h3{font-size:17px;margin-bottom:10px}
.step p{font-size:14px;color:rgba(255,255,255,0.8);line-height:1.6}
.step:not(:last-child)::after{
    content:'';position:absolute;top:32px;right:-1px;width:40px;height:2px;background:var(--gold);opacity:0.4;
}

/* ─── Why Us ─── */
.why-us{position:relative}
.why-us::before{
    content:'';position:absolute;inset:0;
    background:url('../images/bg-why-choose-us.webp') center/cover no-repeat;
    opacity:0.15;z-index:0;
}
.why-us .container{position:relative;z-index:1}
.why-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.why-card{
    text-align:center;padding:40px 24px;
    background:linear-gradient(180deg,rgba(202,164,44,0.06),transparent);
    border-radius:10px;transition:var(--transition);
}
.why-card:hover{background:linear-gradient(180deg,rgba(202,164,44,0.12),transparent)}
.why-card h3{font-size:16px;margin-bottom:8px}
.why-card p{font-size:13px;color:rgba(255,255,255,0.75)}
.why-icon{font-size:36px;margin-bottom:16px}

/* ─── Industries ─── */
.industries-grid{display:flex;flex-wrap:wrap;gap:12px;justify-content:center}
.industry-tag{
    padding:12px 24px;border:2px solid var(--black);border-radius:30px;
    font-size:14px;font-weight:500;color:var(--black);background:var(--off-white);transition:var(--transition);cursor:default;
}
.industry-tag:hover{background:var(--gold);color:var(--black);border-color:var(--gold)}

/* ─── Goal ─── */
.vision{background:var(--charcoal)}
.values-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:start}
.values-list{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.value-item{padding:24px;background:var(--dark-gray);border-radius:8px;border-left:3px solid var(--gold)}
.value-item h3{font-size:16px;margin-bottom:4px}
.value-item p{font-size:13px;color:rgba(255,255,255,0.75)}
.goal-text p{font-size:18px;margin-top:16px}

/* ─── Contact ─── */
.contact-wrapper{display:grid;grid-template-columns:1fr 1fr;gap:60px}
.contact-info h3{margin-bottom:12px}
.contact-info p{margin-bottom:20px}
.contact-detail{display:flex;align-items:center;gap:12px;margin-bottom:16px;font-size:15px;color:var(--white)}
.contact-detail .icon{color:var(--gold);font-size:18px;display:inline-flex;align-items:center;flex-shrink:0}
.contact-form{display:flex;flex-direction:column;gap:16px}
.contact-form input,.contact-form textarea{
    padding:14px 16px;border:1px solid rgba(255,255,255,0.15);border-radius:6px;
    background:var(--charcoal);color:var(--white);font-family:var(--font);font-size:15px;
    transition:border-color 0.3s,box-shadow 0.3s;
}
.contact-form input:focus,.contact-form textarea:focus{
    outline:none;border-color:var(--gold);box-shadow:0 0 0 3px rgba(202,164,44,0.1);
}
.contact-form textarea{resize:vertical;min-height:140px}
.contact-form button{width:100%}

.contact-form input:invalid:not(:placeholder-shown),
.contact-form textarea:invalid:not(:placeholder-shown){border-color:#dc2626}
.contact-form input:valid:not(:placeholder-shown),
.contact-form textarea:valid:not(:placeholder-shown){border-color:#16a34a}
.contact-form .char-count{font-size:11px;color:rgba(255,255,255,0.5);text-align:right;margin-top:-12px}

/* ─── Footer ─── */
footer{
    background:var(--black);padding:40px 0;text-align:center;
    border-top:1px solid rgba(255,255,255,0.08);
}
footer .logo{height:56px;width:auto;margin-bottom:16px}
footer p{font-size:13px;color:var(--white)}

/* ─── Scroll Animations ─── */
.animate-in{opacity:0;transform:translateY(20px);transition:opacity 0.6s ease,transform 0.6s ease}
.animate-in.visible{opacity:1;transform:translateY(0)}
.stagger-1{transition-delay:0.1s}
.stagger-2{transition-delay:0.2s}
.stagger-3{transition-delay:0.3s}
.stagger-4{transition-delay:0.4s}
.stagger-5{transition-delay:0.5s}
.stagger-6{transition-delay:0.6s}

/* ─── WhatsApp Float ─── */
.whatsapp-float{
    position:fixed;bottom:30px;right:30px;width:60px;height:60px;
    background:var(--gold);border-radius:50%;display:flex;align-items:center;justify-content:center;
    box-shadow:0 4px 12px rgba(0,0,0,0.3);z-index:999;
    transition:transform 0.3s ease,box-shadow 0.3s ease;
}
.whatsapp-float:hover{transform:scale(1.1);box-shadow:0 6px 18px rgba(202,164,44,0.4)}
.whatsapp-float svg{width:32px;height:32px;fill:var(--white)}

/* ─── Back to Top ─── */
.back-to-top{
    position:fixed;bottom:100px;right:30px;width:45px;height:45px;
    background:var(--gold);color:var(--black);border:none;border-radius:50%;
    font-size:20px;cursor:pointer;z-index:998;opacity:0;visibility:hidden;
    transition:opacity 0.3s,visibility 0.3s,transform 0.3s;
    display:flex;align-items:center;justify-content:center;
}
.back-to-top.visible{opacity:1;visibility:visible}
.back-to-top:hover{transform:translateY(-3px)}

/* ─── Responsive ─── */
@media(max-width:1024px){
    .services-grid{grid-template-columns:1fr 1fr}
    .why-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:900px){
    .hero .container,.about .container,.contact-wrapper,.values-grid{grid-template-columns:1fr}
    .why-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
    section{padding:70px 0}
    .services-grid,.why-grid,.values-list{grid-template-columns:1fr}
    .approach-steps{grid-template-columns:1fr;max-width:400px;margin:0 auto}
    .step:not(:last-child)::after{display:none}
    .hero{min-height:auto;padding-top:120px;padding-bottom:60px}
    nav{
        position:fixed;top:72px;left:0;right:0;background:var(--black);
        padding:24px;display:none;border-bottom:1px solid rgba(255,255,255,0.08);
    }
    nav.active{display:block}
    .nav-links{flex-direction:column;gap:16px}
    .menu-toggle{display:block}
}
@media(max-width:560px){
    .hero-cta{flex-direction:column}
    .hero-cta .btn{text-align:center}
    .container{padding:0 18px}
}