/* ═══════════════════════════════════════════════════════
   DR. STIFF CARDIOLOGY — Custom Styles
   Palette: Burgundy (#c41e3a) + Blush (#ff5588) + Cream
   ═══════════════════════════════════════════════════════ */

/* ── Base ── */
html {
    scroll-behavior: smooth;
}

body {
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
}

::selection {
    background: #c41e3a;
    color: #fff;
}

/* ── Navbar ── */
#navbar {
    background: transparent;
    transition: background 0.3s ease, box-shadow 0.3s ease, backdrop-filter 0.3s ease;
}

#navbar.scrolled {
    background: rgba(255, 252, 248, 0.95);
    backdrop-filter: blur(12px);
    box-shadow: 0 1px 20px rgba(196, 30, 58, 0.08);
}

#navbar.scrolled .nav-link {
    color: #4b5563;
}

#navbar.scrolled .nav-link:hover {
    color: #c41e3a;
    background: #fdf2f2;
}

#navbar.scrolled .logo-text {
    color: #c41e3a;
}

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

#mobile-menu.closed {
    opacity: 0;
    pointer-events: none;
}

.menu-line {
    display: block;
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.menu-btn.active .menu-line:nth-child(1) {
    transform: translateY(4px) rotate(45deg);
}

.menu-btn.active .menu-line:nth-child(2) {
    opacity: 0;
    transform: scaleX(0);
}

.menu-btn.active .menu-line:nth-child(3) {
    transform: translateY(-4px) rotate(-45deg);
    width: 1.25rem;
}

/* ── Hero Geometric Shapes ── */
.geo-circle {
    position: absolute;
    border-radius: 50%;
    pointer-events: none;
}

.geo-circle-1 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, rgba(255, 135, 170, 0.12) 0%, transparent 70%);
    top: -100px;
    right: -100px;
    animation: float 8s ease-in-out infinite;
}

.geo-circle-2 {
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(255, 85, 136, 0.08) 0%, transparent 70%);
    bottom: 10%;
    left: 5%;
    animation: float 10s ease-in-out infinite reverse;
}

.geo-circle-3 {
    width: 150px;
    height: 150px;
    background: rgba(255, 217, 228, 0.08);
    border: 2px solid rgba(255, 217, 228, 0.12);
    top: 25%;
    left: 15%;
    animation: float 6s ease-in-out infinite;
}

.geo-circle-4 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(255, 135, 170, 0.08) 0%, transparent 70%);
    bottom: -100px;
    left: -100px;
    animation: float 9s ease-in-out infinite reverse;
}

.geo-circle-5 {
    width: 200px;
    height: 200px;
    background: rgba(255, 217, 228, 0.06);
    border: 2px solid rgba(255, 217, 228, 0.1);
    top: 15%;
    right: 10%;
    animation: float 7s ease-in-out infinite;
}

.geo-circle-6 {
    width: 400px;
    height: 400px;
    border-radius: 50%;
}

.geo-triangle {
    position: absolute;
    width: 0;
    height: 0;
    pointer-events: none;
}

.geo-triangle-1 {
    border-left: 60px solid transparent;
    border-right: 60px solid transparent;
    border-bottom: 104px solid rgba(255, 135, 170, 0.06);
    top: 20%;
    right: 12%;
    transform: rotate(15deg);
    animation: float 7s ease-in-out infinite;
}

.geo-triangle-2 {
    border-left: 50px solid transparent;
    border-right: 50px solid transparent;
    border-bottom: 86px solid rgba(255, 217, 228, 0.05);
    bottom: 25%;
    right: 8%;
    transform: rotate(-20deg);
    animation: float 8s ease-in-out infinite reverse;
}

.geo-square {
    position: absolute;
    pointer-events: none;
}

.geo-square-1 {
    width: 80px;
    height: 80px;
    background: rgba(255, 217, 228, 0.07);
    border: 2px solid rgba(255, 217, 228, 0.1);
    top: 35%;
    right: 8%;
    transform: rotate(45deg);
    animation: spin-slow 20s linear infinite;
}

.geo-square-2 {
    width: 60px;
    height: 60px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    transform: rotate(30deg);
    animation: spin-slow 25s linear infinite reverse;
}

/* ── Dotted Patterns ── */
.dotted-pattern {
    position: absolute;
    width: 80px;
    height: 80px;
    background-image: radial-gradient(circle, rgba(255, 255, 255, 0.2) 1.5px, transparent 1.5px);
    background-size: 12px 12px;
    pointer-events: none;
}

/* ── Animations ── */
@keyframes float {
    0%, 100% { transform: translateY(0px) rotate(0deg); }
    50% { transform: translateY(-20px) rotate(3deg); }
}

@keyframes spin-slow {
    from { transform: rotate(45deg); }
    to { transform: rotate(405deg); }
}

/* ── Service Cards ── */
.service-card {
    position: relative;
    overflow: hidden;
}

.service-card::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, #c41e3a, #ff5588);
    transform: scaleX(0);
    transition: transform 0.3s ease;
    transform-origin: left;
}

.service-card:hover::after {
    transform: scaleX(1);
}

/* ── Testimonial Cards ── */
.testimonial-card {
    position: relative;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.testimonial-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 20px 40px rgba(196, 30, 58, 0.1);
}

/* ── Scroll Reveal (progressive enhancement) ── */
@media (prefers-reduced-motion: no-preference) {
    .reveal {
        opacity: 0;
        transform: translateY(30px);
        transition: opacity 0.7s cubic-bezier(0.4, 0, 0.2, 1), transform 0.7s cubic-bezier(0.4, 0, 0.2, 1);
    }

    .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; }
}

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

/* ── Focus styles ── */
a:focus-visible, button:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
    outline: 2px solid #c41e3a;
    outline-offset: 2px;
    border-radius: 4px;
}

/* ── Form select arrow ── */
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='%239ca3af' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
    background-repeat: no-repeat;
    background-position: right 1rem center;
    padding-right: 2.5rem;
}

/* ── Responsive tweaks ── */
@media (max-width: 640px) {
    .geo-circle-1 { width: 250px; height: 250px; }
    .geo-circle-2 { width: 150px; height: 150px; }
}