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

html {
    scroll-behavior: smooth;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

body {
    overflow-x: hidden;
}

::selection {
    background: rgba(242, 112, 90, 0.15);
    color: #333333;
}

/* ─── Scrollbar ─── */
::-webkit-scrollbar {
    width: 6px;
}
::-webkit-scrollbar-track {
    background: #f6f6f6;
}
::-webkit-scrollbar-thumb {
    background: #d1d1d1;
    border-radius: 3px;
}
::-webkit-scrollbar-thumb:hover {
    background: #a0a0a0;
}

/* ─── Scroll Animations ─── */
.reveal {
    opacity: 0;
    transform: translateY(40px);
    transition: opacity 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94),
                transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.reveal.revealed {
    opacity: 1;
    transform: translateY(0);
}

.reveal-delay-1 { transition-delay: 0.1s; }
.reveal-delay-2 { transition-delay: 0.2s; }
.reveal-delay-3 { transition-delay: 0.3s; }
.reveal-delay-4 { transition-delay: 0.4s; }

/* ─── Hero Animations ─── */
@keyframes slideUp {
    from {
        transform: translateY(100%);
        opacity: 0;
    }
    to {
        transform: translateY(0);
        opacity: 1;
    }
}

.hero-tagline {
    animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.3s both;
}

.hero-headline {
    animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) both;
}

.hero-headline:nth-child(1) { animation-delay: 0.5s; }
.hero-headline:nth-child(2) { animation-delay: 0.65s; }
.hero-headline:nth-child(3) { animation-delay: 0.8s; }

.hero-sub {
    animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.95s both;
}

.hero-cta {
    animation: slideUp 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94) 1.1s both;
}

.hero-image {
    animation: imageReveal 1.2s cubic-bezier(0.25, 0.46, 0.45, 0.94) 0.4s both;
    transform: scale(1.05);
}

@keyframes imageReveal {
    from {
        transform: scale(1.05);
        opacity: 0;
    }
    to {
        transform: scale(1);
        opacity: 1;
    }
}

/* ─── Scroll Line Animation ─── */
@keyframes scrollDown {
    0% {
        transform: translateY(-100%);
    }
    100% {
        transform: translateY(100%);
    }
}

.scroll-line-inner {
    animation: scrollDown 1.5s ease-in-out infinite;
}

/* ─── Navigation ─── */
#navbar.scrolled {
    border-bottom-color: rgba(0, 0, 0, 0.06);
    box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04);
}

.nav-link {
    position: relative;
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -4px;
    left: 0;
    width: 0;
    height: 1px;
    background: #f2705a;
    transition: width 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
}

.nav-link.active::after {
    width: 100%;
}

/* ─── Mobile Menu ─── */
.mobile-menu-open {
    opacity: 1 !important;
    pointer-events: all !important;
}

.hamburger-line {
    transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

#mobile-toggle.active .hamburger-line:nth-child(1) {
    transform: rotate(45deg) translate(3px, 3px);
}

#mobile-toggle.active .hamburger-line:nth-child(2) {
    opacity: 0;
}

#mobile-toggle.active .hamburger-line:nth-child(3) {
    transform: rotate(-45deg) translate(3px, -3px);
    width: 24px;
}

/* ─── Section Labels ─── */
.section-label {
    position: relative;
    display: inline-block;
}

.section-label::before {
    content: '';
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 8px;
    height: 1px;
    background: #f2705a;
}

/* ─── Section Title ─── */
.section-title {
    position: relative;
}

/* ─── Divider ─── */
.divider-line {
    position: relative;
}

.divider-line::after {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    height: 100%;
    width: 0;
    background: #f2705a;
    transition: width 1s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.divider-line.divided::after {
    width: 100%;
}

/* ─── CTA Buttons ─── */
.cta-primary {
    position: relative;
    overflow: hidden;
}

.cta-primary::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.1), transparent);
    transition: left 0.5s ease;
}

.cta-primary:hover::before {
    left: 100%;
}

/* ─── Form ─── */
.form-input:focus {
    border-bottom-color: #f2705a !important;
}

.form-input:focus + .form-label,
.form-input:not(:placeholder-shown) + .form-label {
    color: #f2705a;
}

.form-select {
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23a0a0a0' stroke-width='1.5'%3E%3Cpath stroke-linecap='round' stroke-linejoin='round' d='M19 9l-7 7-7-7'%3E%3C/path%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 0 center;
    padding-right: 2rem;
}

.form-success {
    animation: fadeIn 0.5s ease both;
}

@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ─── Service Card Hover ─── */
.service-card {
    position: relative;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 0;
    height: 2px;
    background: #f2705a;
    transition: width 0.5s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.service-card:hover::after {
    width: 100%;
}

/* ─── Approach Card Hover ─── */
.approach-card {
    position: relative;
}

.approach-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(242, 112, 90, 0.05), transparent);
    opacity: 0;
    transition: opacity 0.5s ease;
}

.approach-card:hover::before {
    opacity: 1;
}

/* ─── Image Hover Effects ─── */
.about-image-wrapper {
    position: relative;
    overflow: hidden;
}

.about-image-wrapper::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 30%;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.1), transparent);
    pointer-events: none;
}

.about-image {
    transition: transform 0.8s cubic-bezier(0.25, 0.46, 0.45, 0.94);
}

.about-image-wrapper:hover .about-image {
    transform: scale(1.03);
}

/* ─── CTA Box ─── */
.cta-box {
    position: relative;
}

.cta-box::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -20%;
    width: 600px;
    height: 600px;
    border: 1px solid rgba(242, 112, 90, 0.1);
    border-radius: 50%;
    pointer-events: none;
}

.cta-box::after {
    content: '';
    position: absolute;
    bottom: -30%;
    left: -10%;
    width: 400px;
    height: 400px;
    border: 1px solid rgba(242, 112, 90, 0.08);
    border-radius: 50%;
    pointer-events: none;
}

/* ─── Responsive ─── */
@media (max-width: 767px) {
    .section-label::before {
        display: none;
    }
}

@media (min-width: 768px) and (max-width: 1023px) {
    .hero-headline {
        font-size: 3.5rem;
    }
}